{"id":2595,"date":"2023-05-18T16:15:12","date_gmt":"2023-05-18T07:15:12","guid":{"rendered":"https:\/\/edu.ujhb.org\/?p=2595"},"modified":"2023-05-18T16:15:13","modified_gmt":"2023-05-18T07:15:13","slug":"composition-api%e5%85%a5%e9%97%a8%ef%bc%88%e4%b8%ad%e6%96%87%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=2595","title":{"rendered":"Composition API\u5165\u95e8\uff08\u4e2d\u6587\u7248\uff09"},"content":{"rendered":"\n<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u4e3a\u6211\u5b89\u6392\u89c6\u9891\u6559\u7a0b\u7684\u6587\u5b57\u5185\u5bb9\u3002\u6211\u4eec\u5148\u4eceComposition API \u6559\u7a0b\u5f00\u59cb\uff0c\u4f60\u5148\u4e3a\u6211\u5217\u51fa\u8981\u8bb2\u89e3\u7684\u5185\u5bb9\u4e00\u89c8\u3002ChatGPT<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u6211\u53ef\u4ee5\u4e3a\u4f60\u5217\u51faComposition 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class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7ec4\u4ef6<\/li>\n\n\n\n<li>\u4f7f\u7528setup\u51fd\u6570<\/li>\n\n\n\n<li>\u4f7f\u7528ref\u548creactive<\/li>\n\n\n\n<li>\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u4f7f\u7528\u548c\u66f4\u65b0<\/li>\n\n\n\n<li>\u4f7f\u7528\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\n<ul class=\"wp-block-list\">\n<li>\u4ecb\u7ecd\u7ec4\u5408\u51fd\u6570\u7684\u6982\u5ff5<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u7684\u521b\u5efa<\/li>\n\n\n\n<li>\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u751f\u547d\u5468\u671f\u94a9\u5b50\n<ul class=\"wp-block-list\">\n<li>\u5728Composition 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class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2a\u8f83\u590d\u6742\u7684\u793a\u4f8b\u9879\u76ee\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Composition API\u89e3\u51b3\u5b9e\u9645\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6700\u4f73\u5b9e\u8df5\u548c\u5e38\u89c1\u95ee\u9898\n<ul class=\"wp-block-list\">\n<li>\u63d0\u4f9b\u4e00\u4e9b\u4f7f\u7528Composition API\u7684\u6700\u4f73\u5b9e\u8df5<\/li>\n\n\n\n<li>\u89e3\u7b54\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u548c\u7591\u60d1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u603b\u7ed3\n<ul class=\"wp-block-list\">\n<li>\u603b\u7ed3Composition API\u7684\u4e3b\u8981\u7279\u70b9\u548c\u7528\u6cd5<\/li>\n\n\n\n<li>\u5f3a\u8c03\u4e3a\u4ec0\u4e48Composition API\u662fVue.js 3\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u8fd9\u53ea\u662f\u4e00\u4e2a\u53ef\u80fd\u7684\u5927\u7eb2\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u548c\u76ee\u6807\u8fdb\u884c\u4fee\u6539\u548c\u6269\u5c55\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u89e3\u91ca\u4ec0\u4e48\u662fComposition APIChatGPT<\/p>\n\n\n\n<p>Composition API\u662fVue.js 3\u4e2d\u7684\u4e00\u4e2a\u65b0\u7279\u6027\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u7ec4\u7ec7\u548c\u91cd\u7528\u903b\u8f91\u7684\u65b9\u5f0f\u3002\u4f20\u7edf\u7684Vue.js\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u4f7f\u7528Options API\u6765\u5b9a\u4e49\u7ec4\u4ef6\uff0c\u5176\u4e2d\u5c06\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u548c\u751f\u547d\u5468\u671f\u94a9\u5b50\u7b49\u7ec4\u7ec7\u5728\u4e00\u4e2a\u5bf9\u8c61\u4e2d\u3002<\/p>\n\n\n\n<p>\u800cComposition API\u91c7\u7528\u4e86\u4e00\u79cd\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\uff0c\u5141\u8bb8\u6211\u4eec\u6839\u636e\u903b\u8f91\u529f\u80fd\u800c\u4e0d\u662f\u7ec4\u4ef6\u9009\u9879\u6765\u7ec4\u7ec7\u4ee3\u7801\u3002\u901a\u8fc7\u4f7f\u7528Composition API\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u76f8\u5173\u7684\u903b\u8f91\u653e\u5728\u4e00\u8d77\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u3001\u53ef\u8bfb\u6027\u66f4\u9ad8\uff0c\u5e76\u4e14\u66f4\u5bb9\u6613\u91cd\u7528\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528Composition API\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u7ec4\u7ec7\u4ee3\u7801\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>setup\u51fd\u6570\uff1a\u6bcf\u4e2a\u4f7f\u7528Composition API\u7684\u7ec4\u4ef6\u90fd\u5fc5\u987b\u5305\u542b\u4e00\u4e2a\u540d\u4e3a&#8221;setup&#8221;\u7684\u51fd\u6570\u3002\u5728setup\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u58f0\u660e\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u4ee5\u53ca\u8ba2\u9605\u548c\u76d1\u542c\u7b49\u903b\u8f91\u3002<\/li>\n\n\n\n<li>ref\u548creactive\uff1aComposition API\u5f15\u5165\u4e86ref\u548creactive\u4e24\u4e2a\u51fd\u6570\u6765\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\u3002ref\u51fd\u6570\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u5355\u4e00\u7684\u53ef\u53d8\u6570\u636e\uff0c\u800creactive\u51fd\u6570\u5219\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u7684\u54cd\u5e94\u5f0f\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\uff1aComposition API\u5141\u8bb8\u6211\u4eec\u5c06\u903b\u8f91\u4ee3\u7801\u7ec4\u5408\u6210\u53ef\u91cd\u7528\u7684\u51fd\u6570\uff0c\u79f0\u4e3a\u7ec4\u5408\u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u4f9b\u7ec4\u4ef6\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u751f\u547d\u5468\u671f\u94a9\u5b50\uff1a\u5728Composition API\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\uff08\u5982<code>onMounted<\/code>\u3001<code>onUpdated<\/code>\u3001<code>onUnmounted<\/code>\u7b49\uff09\u6765\u6267\u884c\u7279\u5b9a\u7684\u903b\u8f91\u3002\u8fd9\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u5728\u7ec4\u4ef6\u7684\u4e0d\u540c\u751f\u547d\u5468\u671f\u9636\u6bb5\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u7ec4\u4ef6\u95f4\u901a\u4fe1\uff1aComposition API\u63d0\u4f9b\u4e86\u4e00\u4e9b\u51fd\u6570\uff08\u5982<code>provide<\/code>\u548c<code>inject<\/code>\uff09\u6765\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u7684\u901a\u4fe1\u3002\u901a\u8fc7\u8fd9\u4e9b\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u548c\u903b\u8f91\uff0c\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u7ec4\u4ef6\u7ec4\u5408\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cComposition API\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u65b9\u5f0f\u548c\u903b\u8f91\u91cd\u7528\u673a\u5236\u3002\u5b83\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u5730\u7f16\u5199Vue.js\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u66f4\u597d\u5730\u7ba1\u7406\u548c\u7ef4\u62a4\u4ee3\u7801\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5f3a\u8c03\u4e3a\u4ec0\u4e48\u4f7f\u7528Composition API\u4ee5\u53ca\u5b83\u7684\u4f18\u52bfChatGPT<\/p>\n\n\n\n<p>\u4f7f\u7528Composition API\u6709\u4ee5\u4e0b\u51e0\u4e2a\u5f3a\u8c03\u7684\u539f\u56e0\u548c\u4f18\u52bf\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u66f4\u7075\u6d3b\u7684\u7ec4\u7ec7\u65b9\u5f0f\uff1aComposition API\u5141\u8bb8\u6211\u4eec\u6839\u636e\u903b\u8f91\u529f\u80fd\u800c\u4e0d\u662f\u7ec4\u4ef6\u9009\u9879\u6765\u7ec4\u7ec7\u4ee3\u7801\u3002\u4f20\u7edf\u7684Options 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API\u4f7f\u5f97\u903b\u8f91\u91cd\u7528\u66f4\u52a0\u5bb9\u6613\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u76f8\u5173\u7684\u903b\u8f91\u4ee3\u7801\u7ec4\u5408\u6210\u53ef\u91cd\u7528\u7684\u51fd\u6570\uff0c\u79f0\u4e3a\u7ec4\u5408\u51fd\u6570\u3002\u8fd9\u4e9b\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u4f9b\u7ec4\u4ef6\u4f7f\u7528\u3002\u901a\u8fc7\u7ec4\u5408\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u7ec4\u4ef6\u4e2d\u91cd\u7528\u903b\u8f91\uff0c\u4ece\u800c\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u548c\u53ef\u8bfb\u6027\uff1a\u4f7f\u7528Composition API\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u76f8\u5173\u7684\u4ee3\u7801\u903b\u8f91\u653e\u5728\u4e00\u8d77\uff0c\u800c\u4e0d\u9700\u8981\u5728\u4e0d\u540c\u7684\u9009\u9879\u4e2d\u8fdb\u884c\u8df3\u8f6c\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u66f4\u6e05\u695a\u5730\u4e86\u89e3\u6bcf\u4e2a\u903b\u8f91\u529f\u80fd\u6240\u6d89\u53ca\u7684\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u7c7b\u578b\u63a8\u5bfc\u548cIDE\u652f\u6301\uff1a\u7531\u4e8eComposition API\u662f\u57fa\u4e8e\u51fd\u6570\u7684\uff0c\u800c\u4e0d\u662f\u57fa\u4e8e\u9009\u9879\u7684\uff0c\u8fd9\u610f\u5473\u7740IDE\u5de5\u5177\u53ef\u4ee5\u66f4\u597d\u5730\u63a8\u5bfc\u7c7b\u578b\u548c\u63d0\u4f9b\u4ee3\u7801\u8865\u5168\u548c\u9519\u8bef\u68c0\u67e5\u7b49\u529f\u80fd\u3002\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8fc7\u7a0b\u66f4\u9ad8\u6548\uff0c\u5e76\u4e14\u51cf\u5c11\u4e86\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u54cd\u5e94\u5f0f\u652f\u6301\uff1aComposition API\u5f15\u5165\u4e86ref\u548creactive\u51fd\u6570\u6765\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\u3002\u8fd9\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u66f4\u76f4\u89c2\u5730\u58f0\u660e\u548c\u4f7f\u7528\u54cd\u5e94\u5f0f\u6570\u636e\uff0c\u800c\u4e0d\u9700\u8981\u50cfOptions API\u90a3\u6837\u4f7f\u7528<code>this<\/code>\u5173\u952e\u5b57\u6765\u8bbf\u95ee\u6570\u636e\u3002\u8fd9\u63d0\u4f9b\u4e86\u66f4\u6e05\u6670\u3001\u66f4\u53ef\u9760\u7684\u54cd\u5e94\u5f0f\u652f\u6301\u3002<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u7ec4\u4ef6\u95f4\u901a\u4fe1\uff1aComposition API\u63d0\u4f9b\u4e86\u4e00\u4e9b\u51fd\u6570\uff08\u5982<code>provide<\/code>\u548c<code>inject<\/code>\uff09\u6765\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u7684\u901a\u4fe1\u3002\u901a\u8fc7\u8fd9\u4e9b\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u548c\u903b\u8f91\uff0c\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u7ec4\u4ef6\u7ec4\u5408\u3002\u8fd9\u4f7f\u5f97\u7ec4\u4ef6\u95f4\u7684\u901a\u4fe1\u66f4\u52a0\u76f4\u89c2\u548c\u7075\u6d3b\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0cComposition API\u901a\u8fc7\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u7ec4\u7ec7\u65b9\u5f0f\u3001\u903b\u8f91\u91cd\u7528\u3001\u4ee3\u7801\u7ec4\u7ec7\u548c\u53ef\u8bfb\u6027\u3001\u7c7b\u578b\u63a8\u5bfc\u548cIDE\u652f\u6301\u3001\u54cd\u5e94\u5f0f\u652f\u6301\u4ee5\u53ca\u7ec4\u4ef6\u95f4\u901a\u4fe1\u7b49\u4f18\u52bf\uff0c\u63d0\u5347\u4e86Vue.js\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002\u5b83\u662fVue.js 3\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027\uff0c\u63a8\u8350\u7528\u4e8e\u6784\u5efa\u590d\u6742\u548c\u53ef\u6269\u5c55\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6f14\u793a\u5982\u4f55\u5b89\u88c5Vue.js 3ChatGPT<\/p>\n\n\n\n<p>\u8981\u6f14\u793a\u5982\u4f55\u5b89\u88c5Vue.js 3\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u786e\u4fdd\u4f60\u7684\u5f00\u53d1\u73af\u5883\u5df2\u7ecf\u5b89\u88c5\u4e86Node.js\u3002\u5982\u679c\u5c1a\u672a\u5b89\u88c5\uff0c\u8bf7\u524d\u5f80Node.js\u5b98\u65b9\u7f51\u7ad9\uff08<a href=\"https:\/\/nodejs.org\/%EF%BC%89%E4%B8%8B%E8%BD%BD%E5%B9%B6%E5%AE%89%E8%A3%85%E9%80%82%E5%90%88%E4%BD%A0%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E7%9A%84%E6%9C%80%E6%96%B0%E7%89%88%E6%9C%AC%E3%80%82\">https:\/\/nodejs.org\/\uff09\u4e0b\u8f7d\u5e76\u5b89\u88c5\u9002\u5408\u4f60\u64cd\u4f5c\u7cfb\u7edf\u7684\u6700\u65b0\u7248\u672c\u3002<\/a><\/li>\n\n\n\n<li>\u6253\u5f00\u547d\u4ee4\u884c\u7ec8\u7aef\uff08\u6216\u8005\u4f7f\u7528\u96c6\u6210\u5f00\u53d1\u73af\u5883\u7684\u7ec8\u7aef\u7a97\u53e3\uff09\u3002<\/li>\n\n\n\n<li>\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5Vue CLI\uff08Vue\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff09\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>npm install -g @vue\/cli\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u4f7f\u7528npm\uff08Node.js\u7684\u5305\u7ba1\u7406\u5668\uff09\u5168\u5c40\u5b89\u88c5Vue CLI\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1Vue CLI\u662f\u5426\u5b89\u88c5\u6210\u529f\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>vue --version\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6210\u529f\u5b89\u88c5\uff0c\u5c06\u663e\u793aVue CLI\u7684\u7248\u672c\u53f7\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Vue.js\u9879\u76ee\u3002\u5728\u547d\u4ee4\u884c\u4e2d\uff0c\u8fdb\u5165\u4f60\u8981\u521b\u5efa\u9879\u76ee\u7684\u76ee\u5f55\uff0c\u5e76\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>vue create my-vue-app\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u4f7f\u7528Vue CLI\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8221;my-vue-app&#8221;\u7684\u65b0\u9879\u76ee\u3002\u4f60\u4e5f\u53ef\u4ee5\u66ff\u6362&#8221;my-vue-app&#8221;\u4e3a\u4f60\u559c\u6b22\u7684\u9879\u76ee\u540d\u79f0\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u5728\u521b\u5efa\u9879\u76ee\u7684\u8fc7\u7a0b\u4e2d\uff0cVue CLI\u5c06\u63d0\u793a\u4f60\u9009\u62e9\u4e00\u4e9b\u914d\u7f6e\u9009\u9879\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u952e\u76d8\u4e0a\u7684\u4e0a\u4e0b\u7bad\u5934\u952e\u6d4f\u89c8\u9009\u9879\uff0c\u5e76\u4f7f\u7528\u56de\u8f66\u952e\u8fdb\u884c\u9009\u62e9\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u81ea\u5b9a\u4e49\u9009\u62e9\uff0c\u6216\u8005\u76f4\u63a5\u6309\u56de\u8f66\u952e\u4f7f\u7528\u9ed8\u8ba4\u9009\u9879\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u9879\u76ee\u7684\u8fc7\u7a0b\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff0c\u56e0\u4e3aVue CLI\u4f1a\u4e0b\u8f7d\u5e76\u5b89\u88c5\u9879\u76ee\u6240\u9700\u7684\u4f9d\u8d56\u9879\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f60\u5c06\u770b\u5230\u4e00\u4e2a\u7c7b\u4f3c\u4ee5\u4e0b\u5185\u5bb9\u7684\u6210\u529f\u63d0\u793a\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>\ud83c\udf89  Successfully created project my-vue-app.\n\ud83d\udc49  Get started with the following commands:\n\n $ cd my-vue-app\n $ npm run serve\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li>\u8fdb\u5165\u9879\u76ee\u76ee\u5f55\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>cd my-vue-app\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"9\">\n<li>\u542f\u52a8\u5f00\u53d1\u670d\u52a1\u5668\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>npm run serve\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c06\u542f\u52a8\u5f00\u53d1\u670d\u52a1\u5668\uff0c\u5e76\u5728\u672c\u5730\u8fd0\u884cVue.js\u5e94\u7528\u7a0b\u5e8f\u3002\u4f60\u5c06\u5728\u547d\u4ee4\u884c\u4e2d\u770b\u5230\u4e00\u4e2aURL\uff0c\u5982<code>http:\/\/localhost:8080\/<\/code>\u3002\u5728\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00\u8be5URL\uff0c\u4f60\u5c06\u770b\u5230Vue.js\u5e94\u7528\u7a0b\u5e8f\u7684\u6b22\u8fce\u9875\u9762\u3002<\/p>\n\n\n\n<p>\u81f3\u6b64\uff0c\u4f60\u5df2\u6210\u529f\u5b89\u88c5Vue.js 3\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684Vue.js\u9879\u76ee\u3002\u73b0\u5728\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u5f00\u53d1\uff0c\u7f16\u8f91\u9879\u76ee\u6587\u4ef6\uff0c\u5e76\u5f00\u59cb\u7f16\u5199Composition API\u6559\u7a0b\u6240\u9700\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u5f15\u5165Composition APIChatGPT<\/p>\n\n\n\n<p>\u8981\u5f15\u5165Composition API\uff0c\u4f60\u9700\u8981\u5728Vue.js 3\u9879\u76ee\u4e2d\u8fdb\u884c\u4e00\u4e9b\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u4f60\u7684Vue.js 3\u9879\u76ee\u7684\u4e3b\u5165\u53e3\u6587\u4ef6\uff08\u901a\u5e38\u662f<code>main.js<\/code>\u6216<code>main.ts<\/code>\uff09\u3002<\/li>\n\n\n\n<li>\u5728\u6587\u4ef6\u7684\u9876\u90e8\u6dfb\u52a0\u4ee5\u4e0b\u5bfc\u5165\u8bed\u53e5\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { createApp } from 'vue';\nimport { createPinia } from 'pinia';\nimport App from '.\/App.vue';\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u5bfc\u5165\u4e86<code>createApp<\/code>\u51fd\u6570\u548c<code>createPinia<\/code>\u51fd\u6570\uff0c\u4ee5\u53ca\u9879\u76ee\u7684\u4e3b\u7ec4\u4ef6<code>App.vue<\/code>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u521b\u5efaVue\u5e94\u7528\u7a0b\u5e8f\u5b9e\u4f8b\uff0c\u5e76\u4f7f\u7528<code>createPinia<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2aPinia\u5b9e\u4f8b\u3002\u5728<code>createApp<\/code>\u51fd\u6570\u4e2d\uff0c\u5c06<code>App<\/code>\u7ec4\u4ef6\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>const app = createApp(App);\nconst pinia = createPinia();\n\napp.use(pinia);\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528<code>app.use()<\/code>\u65b9\u6cd5\u5c06Pinia\u5b9e\u4f8b\u4f5c\u4e3a\u63d2\u4ef6\u5f15\u5165\u5230Vue\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5728\u521b\u5efaVue\u5e94\u7528\u7a0b\u5e8f\u5b9e\u4f8b\u540e\uff0c\u4f7f\u7528<code>mount<\/code>\u65b9\u6cd5\u5c06\u5e94\u7528\u7a0b\u5e8f\u6302\u8f7d\u5230\u6307\u5b9a\u7684DOM\u5143\u7d20\u4e0a\u3002\u4f8b\u5982\uff0c\u5c06\u5e94\u7528\u7a0b\u5e8f\u6302\u8f7d\u5230\u5177\u6709id\u4e3a<code>app<\/code>\u7684\u5143\u7d20\u4e0a\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>app.mount('#app');\n<\/code><\/pre>\n\n\n\n<p>\u81f3\u6b64\uff0c\u4f60\u5df2\u7ecf\u6210\u529f\u5f15\u5165\u4e86Composition API\u5e76\u5b8c\u6210\u4e86\u57fa\u672c\u7684\u8bbe\u7f6e\u3002\u73b0\u5728\u4f60\u53ef\u4ee5\u5728Vue\u7ec4\u4ef6\u4e2d\u4f7f\u7528Composition API\u7684\u7279\u6027\uff0c\u5982<code>setup<\/code>\u51fd\u6570\u3001<code>ref<\/code>\u3001<code>reactive<\/code>\u7b49\u6765\u7f16\u5199\u5177\u4f53\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u4e3a\u4e86\u4f7f\u7528Composition API\uff0c\u4f60\u8fd8\u9700\u8981\u5728\u9879\u76ee\u4e2d\u5b89\u88c5<code>@vue\/composition-api<\/code>\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u901a\u8fc7npm\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">shellCopy code<code>npm install @vue\/composition-api\n<\/code><\/pre>\n\n\n\n<p>\u5728\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f60\u53ef\u4ee5\u5728\u9879\u76ee\u4e2d\u7684\u4efb\u4f55Vue\u7ec4\u4ef6\u4e2d\u4f7f\u7528Composition API\u7279\u6027\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\u8d77\u6765\uff0c\u5f15\u5165Composition API\u9700\u8981\u5b8c\u6210\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5bfc\u5165\u5fc5\u8981\u7684\u6a21\u5757\u548c\u7ec4\u4ef6\u3002<\/li>\n\n\n\n<li>\u521b\u5efaVue\u5e94\u7528\u7a0b\u5e8f\u5b9e\u4f8b\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>createPinia<\/code>\u51fd\u6570\u521b\u5efaPinia\u5b9e\u4f8b\uff0c\u5e76\u901a\u8fc7<code>app.use()<\/code>\u65b9\u6cd5\u5c06\u5176\u6ce8\u518c\u4e3a\u63d2\u4ef6\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>mount<\/code>\u65b9\u6cd5\u5c06\u5e94\u7528\u7a0b\u5e8f\u6302\u8f7d\u5230DOM\u5143\u7d20\u4e0a\u3002<\/li>\n\n\n\n<li>\u5b89\u88c5<code>@vue\/composition-api<\/code>\u5e93\u4ee5\u4f7f\u7528Composition API\u7279\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5b8c\u6210\u4ee5\u4e0a\u6b65\u9aa4\u540e\uff0c\u4f60\u5c31\u53ef\u4ee5\u5f00\u59cb\u5728Vue\u7ec4\u4ef6\u4e2d\u4f7f\u7528Composition API\u6765\u7f16\u5199\u4f60\u7684\u903b\u8f91\u4e86\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7ec4\u4ef6ChatGPT<\/p>\n\n\n\n<p>\u8981\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7ec4\u4ef6\uff0c\u4f60\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728\u4f60\u7684Vue.js 3\u9879\u76ee\u4e2d\uff0c\u9009\u62e9\u4e00\u4e2a\u9002\u5408\u7684\u4f4d\u7f6e\u6765\u521b\u5efa\u4f60\u7684\u7ec4\u4ef6\u6587\u4ef6\u3002\u901a\u5e38\uff0c\u7ec4\u4ef6\u6587\u4ef6\u4ee5<code>.vue<\/code>\u6269\u5c55\u540d\u8fdb\u884c\u547d\u540d\uff0c\u4f8b\u5982<code>MyComponent.vue<\/code>\u3002<\/li>\n\n\n\n<li>\u6253\u5f00\u4f60\u9009\u62e9\u7684\u4f4d\u7f6e\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u65b0\u7684<code>.vue<\/code>\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u5728<code>.vue<\/code>\u6587\u4ef6\u4e2d\uff0c\u4f7f\u7528\u4ee5\u4e0b\u57fa\u672c\u7684\u7ed3\u6784\u6765\u5b9a\u4e49\u4e00\u4e2a\u7ec4\u4ef6\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;template&gt;\n  &lt;!-- \u5728\u8fd9\u91cc\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6a21\u677f --&gt;\n&lt;\/template&gt;\n\n&lt;script&gt;\nexport default {\n  \/\/ \u5728\u8fd9\u91cc\u5b9a\u4e49\u7ec4\u4ef6\u7684\u903b\u8f91\n}\n&lt;\/script&gt;\n\n&lt;style&gt;\n\/* \u5728\u8fd9\u91cc\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6837\u5f0f *\/\n&lt;\/style&gt;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5728<code>&lt;template&gt;<\/code>\u6807\u7b7e\u5185\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199HTML\u4ee3\u7801\u6765\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6a21\u677f\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u7b80\u5355\u6587\u672c\u7684\u7ec4\u4ef6\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;template&gt;\n  &lt;div&gt;\n    &lt;h1&gt;Hello, World!&lt;\/h1&gt;\n    &lt;p&gt;This is my first Vue.js component.&lt;\/p&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u7b80\u5355\u5730\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>&lt;div&gt;<\/code>\u5bb9\u5668\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a<code>&lt;h1&gt;<\/code>\u6807\u9898\u548c\u4e00\u4e2a<code>&lt;p&gt;<\/code>\u6bb5\u843d\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5728<code>&lt;script&gt;<\/code>\u6807\u7b7e\u5185\uff0c\u4f7f\u7528<code>export default<\/code>\u6765\u5bfc\u51fa\u7ec4\u4ef6\u5bf9\u8c61\uff0c\u5e76\u5728\u5bf9\u8c61\u5185\u5b9a\u4e49\u7ec4\u4ef6\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u7ed9\u7ec4\u4ef6\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a<code>name<\/code>\u7684\u5c5e\u6027\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;script&gt;\nexport default {\n  name: 'MyComponent'\n}\n&lt;\/script&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a<code>MyComponent<\/code>\u7684\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u5728<code>&lt;style&gt;<\/code>\u6807\u7b7e\u5185\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6837\u5f0f\u3002\u4f8b\u5982\uff0c\u7ed9\u6807\u9898\u6dfb\u52a0\u4e00\u4e9b\u6837\u5f0f\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;style&gt;\nh1 {\n  color: blue;\n  font-size: 24px;\n}\n&lt;\/style&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4e3a<code>&lt;h1&gt;<\/code>\u6807\u9898\u6dfb\u52a0\u4e86\u84dd\u8272\u7684\u6587\u5b57\u989c\u8272\u548c24\u50cf\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li>\u4fdd\u5b58\u4f60\u7684\u7ec4\u4ef6\u6587\u4ef6\uff0c\u5e76\u5728\u9700\u8981\u4f7f\u7528\u8fd9\u4e2a\u7ec4\u4ef6\u7684\u5730\u65b9\u5bfc\u5165\u5b83\u3002\u4f8b\u5982\uff0c\u5728\u53e6\u4e00\u4e2a\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u8fd9\u4e2a\u7b80\u5355\u7684\u7ec4\u4ef6\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;template&gt;\n  &lt;div&gt;\n    &lt;h2&gt;My App&lt;\/h2&gt;\n    &lt;my-component&gt;&lt;\/my-component&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n\n&lt;script&gt;\nimport MyComponent from '@\/components\/MyComponent.vue';\n\nexport default {\n  components: {\n    MyComponent\n  }\n}\n&lt;\/script&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u4e86\u540d\u4e3a<code>MyComponent<\/code>\u7684\u7ec4\u4ef6\uff0c\u5e76\u5728<code>components<\/code>\u9009\u9879\u4e2d\u6ce8\u518c\u5b83\u3002\u7136\u540e\uff0c\u6211\u4eec\u5728\u6a21\u677f\u4e2d\u4f7f\u7528<code>&lt;my-component&gt;<\/code>\u6807\u7b7e\u6765\u6e32\u67d3\u8be5\u7ec4\u4ef6\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li>\u73b0\u5728\uff0c\u4f60\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u4f60\u521b\u5efa\u7684\u7ec4\u4ef6\u4e86\u3002\u786e\u4fdd\u542f\u52a8\u4f60\u7684Vue.js 3\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u5728\u6d4f\u89c8\u5668\u4e2d\u67e5\u770b\u7ed3\u679c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u6837\uff0c\u4f60\u5c31\u6210\u529f\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u7ec4\u4ef6\u5e76\u5c06\u5176\u5e94\u7528\u5230\u4f60\u7684Vue.js 3\u9879\u76ee\u4e2d\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u66f4\u591a\u7684HTML\u6a21\u677f\u3001\u903b\u8f91\u548c\u6837\u5f0f\u6765\u6269\u5c55\u4f60\u7684\u7ec4\u4ef6\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u4f7f\u7528setup\u51fd\u6570ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u4e2d\uff0c\u4f7f\u7528Composition API\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>setup<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u7ec4\u4ef6\u7684\u903b\u8f91\u3002<code>setup<\/code>\u51fd\u6570\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u51fd\u6570\uff0c\u5b83\u5728\u7ec4\u4ef6\u521b\u5efa\u548c\u6e32\u67d3\u4e4b\u524d\u88ab\u8c03\u7528\uff0c\u7528\u4e8e\u8bbe\u7f6e\u7ec4\u4ef6\u7684\u521d\u59cb\u72b6\u6001\u3001\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528<code>setup<\/code>\u51fd\u6570\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u4f60\u60f3\u8981\u4f7f\u7528<code>setup<\/code>\u51fd\u6570\u7684\u7ec4\u4ef6\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u5728\u7ec4\u4ef6\u6587\u4ef6\u4e2d\uff0c\u627e\u5230<code>&lt;script&gt;<\/code>\u6807\u7b7e\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u4ee5\u4e0b\u7ed3\u6784\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;script&gt;\nimport { ref, reactive, computed, watch } from 'vue';\n\nexport default {\n  setup() {\n    \/\/ \u5728\u8fd9\u91cc\u5b9a\u4e49\u7ec4\u4ef6\u7684\u903b\u8f91\n  }\n}\n&lt;\/script&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u4e86\u4e00\u4e9b\u5e38\u7528\u7684Composition API\u51fd\u6570\uff0c\u5982<code>ref<\/code>\u3001<code>reactive<\/code>\u3001<code>computed<\/code>\u548c<code>watch<\/code>\uff0c\u4ee5\u53caVue\u7ec4\u4ef6\u5bf9\u8c61\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u5185\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u5b9a\u4e49\u7ec4\u4ef6\u7684\u903b\u8f91\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>ref<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u5355\u4e00\u7684\u53ef\u53d8\u6570\u636e\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>count<\/code>\u7684\u8ba1\u6570\u5668\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>const count = ref(0);\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>reactive<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u7684\u54cd\u5e94\u5f0f\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>user<\/code>\u7684\u7528\u6237\u5bf9\u8c61\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>const user = reactive({\n  name: 'John',\n  age: 30\n});\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>computed<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u8ba1\u7b97\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>doubleCount<\/code>\u7684\u8ba1\u7b97\u5c5e\u6027\uff0c\u5b83\u662f<code>count<\/code>\u7684\u4e24\u500d\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>const doubleCount = computed(() =&gt; count.value * 2);\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u76d1\u542c\u4e00\u4e2a\u6570\u636e\u7684\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u76d1\u542c<code>count<\/code>\u7684\u53d8\u5316\u5e76\u5728\u63a7\u5236\u53f0\u6253\u5370\u51fa\u65b0\u503c\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>watch(count, (newValue) =&gt; {\n  console.log('count changed:', newValue);\n});\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\uff0c\u4f60\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u7684\u5bf9\u8c61\uff0c\u4f7f\u5b83\u4eec\u5728\u7ec4\u4ef6\u4e2d\u53ef\u7528\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>return {\n  count,\n  user,\n  doubleCount,\n  increment() {\n    count.value++;\n  }\n};\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u8fd4\u56de\u4e86<code>count<\/code>\u3001<code>user<\/code>\u3001<code>doubleCount<\/code>\u4ee5\u53ca\u4e00\u4e2a\u540d\u4e3a<code>increment<\/code>\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5728\u7ec4\u4ef6\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;template&gt;\n  &lt;div&gt;\n    &lt;p&gt;Count: {{ count }}&lt;\/p&gt;\n    &lt;p&gt;User: {{ user.name }}, {{ user.age }}&lt;\/p&gt;\n    &lt;p&gt;Double Count: {{ doubleCount }}&lt;\/p&gt;\n    &lt;button @click=\"increment\"&gt;Increment&lt;\/button&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>count<\/code>\u3001<code>user<\/code>\u3001<code>doubleCount<\/code>\u548c<code>increment<\/code>\u8fd9\u4e9b\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u8fd4\u56de\u7684\u6570\u636e\u548c\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u4f60\u5c31\u53ef\u4ee5\u4f7f\u7528<code>setup<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u7ec4\u4ef6\u7684\u903b\u8f91\u3002\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>ref<\/code>\u3001<code>reactive<\/code>\u3001<code>computed<\/code>\u548c<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u4f7f\u7528ref\u548creactiveChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u4e2d\uff0c<code>ref<\/code>\u548c<code>reactive<\/code>\u662f\u4e24\u4e2a\u5e38\u7528\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u89e3\u91ca\u5982\u4f55\u4f7f\u7528<code>ref<\/code>\u548c<code>reactive<\/code>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>ref<\/code>\u521b\u5efa\u5355\u4e00\u7684\u53ef\u53d8\u6570\u636e\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5bfc\u5165<code>ref<\/code>\u51fd\u6570\uff1a\u5728\u7ec4\u4ef6\u6587\u4ef6\u7684<code>&lt;script&gt;<\/code>\u6807\u7b7e\u4e2d\uff0c\u5bfc\u5165<code>ref<\/code>\u51fd\u6570\uff1a<code>import { ref } from 'vue';<\/code><\/li>\n\n\n\n<li>\u521b\u5efa<code>ref<\/code>\u5bf9\u8c61\uff1a\u4f7f\u7528<code>ref<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a<code>ref<\/code>\u5bf9\u8c61\uff0c\u5e76\u4f20\u5165\u521d\u59cb\u503c\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>count<\/code>\u7684\u8ba1\u6570\u5668\uff1a<code>const count = ref(0);<\/code><\/li>\n\n\n\n<li>\u8bbf\u95ee\u548c\u4fee\u6539<code>ref<\/code>\u503c\uff1a\u4f7f\u7528<code>.value<\/code>\u5c5e\u6027\u6765\u8bbf\u95ee\u548c\u4fee\u6539<code>ref<\/code>\u5bf9\u8c61\u7684\u503c\u3002\u4f8b\u5982\uff0c\u8bfb\u53d6<code>count<\/code>\u7684\u503c\uff1a<code>console.log(count.value);<\/code>\uff0c\u4fee\u6539<code>count<\/code>\u7684\u503c\uff1a<code>count.value++;<\/code><\/li>\n\n\n\n<li>\u5728\u6a21\u677f\u4e2d\u4f7f\u7528<code>ref<\/code>\uff1a\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>ref<\/code>\u5bf9\u8c61\uff0c\u5c31\u50cf\u666e\u901a\u7684JavaScript\u53d8\u91cf\u4e00\u6837\u3002\u4f8b\u5982\uff0c\u5728\u6a21\u677f\u4e2d\u663e\u793a<code>count<\/code>\u7684\u503c\uff1a<code>&lt;p&gt;Count: {{ count }}&lt;\/p&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f7f\u7528<code>reactive<\/code>\u521b\u5efa\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u7684\u54cd\u5e94\u5f0f\u5bf9\u8c61\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5bfc\u5165<code>reactive<\/code>\u51fd\u6570\uff1a\u5728\u7ec4\u4ef6\u6587\u4ef6\u7684<code>&lt;script&gt;<\/code>\u6807\u7b7e\u4e2d\uff0c\u5bfc\u5165<code>reactive<\/code>\u51fd\u6570\uff1a<code>import { reactive } from 'vue';<\/code><\/li>\n\n\n\n<li>\u521b\u5efa<code>reactive<\/code>\u5bf9\u8c61\uff1a\u4f7f\u7528<code>reactive<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a<code>reactive<\/code>\u5bf9\u8c61\uff0c\u5e76\u4f20\u5165\u4e00\u4e2a\u5305\u542b\u5c5e\u6027\u7684JavaScript\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>user<\/code>\u7684\u7528\u6237\u5bf9\u8c61\uff1a<code>const user = reactive({ name: 'John', age: 30 });<\/code><\/li>\n\n\n\n<li>\u8bbf\u95ee\u548c\u4fee\u6539<code>reactive<\/code>\u5bf9\u8c61\u7684\u5c5e\u6027\uff1a\u53ef\u4ee5\u50cf\u8bbf\u95ee\u548c\u4fee\u6539\u666e\u901aJavaScript\u5bf9\u8c61\u7684\u5c5e\u6027\u4e00\u6837\uff0c\u901a\u8fc7<code>.<\/code>\u8fd0\u7b97\u7b26\u6765\u8bbf\u95ee\u548c\u4fee\u6539<code>reactive<\/code>\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u8bfb\u53d6<code>user<\/code>\u7684<code>name<\/code>\u5c5e\u6027\uff1a<code>console.log(user.name);<\/code>\uff0c\u4fee\u6539<code>user<\/code>\u7684<code>age<\/code>\u5c5e\u6027\uff1a<code>user.age = 31;<\/code><\/li>\n\n\n\n<li>\u5728\u6a21\u677f\u4e2d\u4f7f\u7528<code>reactive<\/code>\u5bf9\u8c61\uff1a\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>reactive<\/code>\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u5c31\u50cf\u666e\u901a\u7684JavaScript\u5bf9\u8c61\u5c5e\u6027\u4e00\u6837\u3002\u4f8b\u5982\uff0c\u5728\u6a21\u677f\u4e2d\u663e\u793a<code>user<\/code>\u7684\u59d3\u540d\u548c\u5e74\u9f84\uff1a<code>&lt;p&gt;User: {{ user.name }}, {{ user.age }}&lt;\/p&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u5f53\u4f7f\u7528<code>ref<\/code>\u548c<code>reactive<\/code>\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\u65f6\uff0cVue\u4f1a\u81ea\u52a8\u8ddf\u8e2a\u6570\u636e\u7684\u53d8\u5316\u5e76\u8fdb\u884c\u66f4\u65b0\u3002\u8fd9\u610f\u5473\u7740\u5f53\u4f60\u4fee\u6539<code>ref<\/code>\u6216<code>reactive<\/code>\u5bf9\u8c61\u7684\u503c\u65f6\uff0c\u76f8\u5173\u7684\u7ec4\u4ef6\u4f1a\u81ea\u52a8\u66f4\u65b0\u4ee5\u53cd\u6620\u65b0\u7684\u503c\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\u8d77\u6765\uff0c\u4f7f\u7528<code>ref<\/code>\u53ef\u4ee5\u521b\u5efa\u5355\u4e00\u7684\u53ef\u53d8\u6570\u636e\uff0c\u800c\u4f7f\u7528<code>reactive<\/code>\u53ef\u4ee5\u521b\u5efa\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u7684\u54cd\u5e94\u5f0f\u5bf9\u8c61\u3002\u5728\u4f7f\u7528\u5b83\u4eec\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u8bbf\u95ee\u548c\u4fee\u6539\u503c\u65f6\u7684\u8bed\u6cd5\u533a\u522b\uff08<code>ref<\/code>\u4f7f\u7528<code>.value<\/code>\uff0c<code>reactive<\/code>\u4f7f\u7528<code>.<\/code>\uff09\u4ee5\u53ca\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u6570\u636e\u65f6\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u4f7f\u7528\u548c\u66f4\u65b0ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u4e2d\uff0c\u54cd\u5e94\u5f0f\u6570\u636e\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5f53\u5176\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u76f8\u5173\u7684\u7ec4\u4ef6\u4f1a\u81ea\u52a8\u8fdb\u884c\u66f4\u65b0\u4ee5\u53cd\u6620\u65b0\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u89e3\u91ca\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u4f7f\u7528\u548c\u66f4\u65b0\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>ref<\/code>\u51fd\u6570\u521b\u5efa\u5355\u4e00\u7684\u53ef\u53d8\u6570\u636e\uff1a\u4f7f\u7528<code>ref<\/code>\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a<code>ref<\/code>\u5bf9\u8c61\uff0c\u5e76\u4f20\u5165\u521d\u59cb\u503c\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>count<\/code>\u7684\u8ba1\u6570\u5668\uff1a<code>const count = ref(0);<\/code><\/li>\n\n\n\n<li>\u4f7f\u7528<code>reactive<\/code>\u51fd\u6570\u521b\u5efa\u5305\u542b\u591a\u4e2a\u5c5e\u6027\u7684\u54cd\u5e94\u5f0f\u5bf9\u8c61\uff1a\u4f7f\u7528<code>reactive<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a<code>reactive<\/code>\u5bf9\u8c61\uff0c\u5e76\u4f20\u5165\u4e00\u4e2a\u5305\u542b\u5c5e\u6027\u7684JavaScript\u5bf9\u8c61\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>user<\/code>\u7684\u7528\u6237\u5bf9\u8c61\uff1a<code>const user = reactive({ name: 'John', age: 30 });<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8bbf\u95ee\u54cd\u5e94\u5f0f\u6570\u636e\uff1a\n<ul class=\"wp-block-list\">\n<li><code>ref<\/code>\u5bf9\u8c61\u7684\u8bbf\u95ee\uff1a\u5728\u4f7f\u7528<code>ref<\/code>\u521b\u5efa\u7684\u5bf9\u8c61\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7<code>.value<\/code>\u5c5e\u6027\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u5176\u503c\u3002\u4f8b\u5982\uff0c\u8bfb\u53d6<code>count<\/code>\u7684\u503c\uff1a<code>console.log(count.value);<\/code><\/li>\n\n\n\n<li><code>reactive<\/code>\u5bf9\u8c61\u7684\u8bbf\u95ee\uff1a\u5728\u4f7f\u7528<code>reactive<\/code>\u521b\u5efa\u7684\u5bf9\u8c61\u4e2d\uff0c\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901aJavaScript\u5bf9\u8c61\u7684\u5c5e\u6027\u4e00\u6837\uff0c\u901a\u8fc7<code>.<\/code>\u8fd0\u7b97\u7b26\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u8bfb\u53d6<code>user<\/code>\u7684<code>name<\/code>\u5c5e\u6027\uff1a<code>console.log(user.name);<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u66f4\u65b0\u54cd\u5e94\u5f0f\u6570\u636e\uff1a\n<ul class=\"wp-block-list\">\n<li><code>ref<\/code>\u5bf9\u8c61\u7684\u66f4\u65b0\uff1a\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u5bf9<code>ref<\/code>\u5bf9\u8c61\u7684<code>.value<\/code>\u5c5e\u6027\u8fdb\u884c\u8d4b\u503c\u6765\u66f4\u65b0\u5176\u503c\u3002\u4f8b\u5982\uff0c\u4fee\u6539<code>count<\/code>\u7684\u503c\uff1a<code>count.value++;<\/code><\/li>\n\n\n\n<li><code>reactive<\/code>\u5bf9\u8c61\u7684\u66f4\u65b0\uff1a\u53ef\u4ee5\u50cf\u4fee\u6539\u666e\u901aJavaScript\u5bf9\u8c61\u7684\u5c5e\u6027\u4e00\u6837\uff0c\u901a\u8fc7<code>.<\/code>\u8fd0\u7b97\u7b26\u6765\u4fee\u6539<code>reactive<\/code>\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u4fee\u6539<code>user<\/code>\u7684<code>age<\/code>\u5c5e\u6027\uff1a<code>user.age = 31;<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u54cd\u5e94\u5f0f\u6570\u636e\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728Vue\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u54cd\u5e94\u5f0f\u6570\u636e\u3002\u4f8b\u5982\uff0c\u5728\u6a21\u677f\u4e2d\u663e\u793a<code>count<\/code>\u7684\u503c\uff1a<code>&lt;p&gt;Count: {{ count }}&lt;\/p&gt;<\/code>\uff0c\u663e\u793a<code>user<\/code>\u7684\u59d3\u540d\u548c\u5e74\u9f84\uff1a<code>&lt;p&gt;User: {{ user.name }}, {{ user.age }}&lt;\/p&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u5f53\u4f60\u4fee\u6539\u54cd\u5e94\u5f0f\u6570\u636e\u65f6\uff0cVue\u4f1a\u81ea\u52a8\u8ffd\u8e2a\u53d8\u5316\u5e76\u66f4\u65b0\u76f8\u5173\u7684\u7ec4\u4ef6\u3002\u8fd9\u610f\u5473\u7740\u5f53\u4f60\u4fee\u6539<code>ref<\/code>\u6216<code>reactive<\/code>\u5bf9\u8c61\u7684\u503c\u65f6\uff0c\u76f8\u5173\u7684\u7ec4\u4ef6\u4f1a\u81ea\u52a8\u66f4\u65b0\u4ee5\u53cd\u6620\u65b0\u7684\u503c\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5982\u679c\u4f60\u60f3\u5728\u4ee3\u7801\u4e2d\u76d1\u542c\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u53d8\u5316\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u6765\u76d1\u542c\u6570\u636e\u7684\u53d8\u5316\uff0c\u5e76\u5728\u53d8\u5316\u53d1\u751f\u65f6\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u76d1\u542c<code>count<\/code>\u7684\u53d8\u5316\u5e76\u5728\u63a7\u5236\u53f0\u6253\u5370\u65b0\u7684\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>watch(count, (newValue) =&gt; {\n  console.log('count changed:', newValue);\n});\n<\/code><\/pre>\n\n\n\n<p>\u603b\u7ed3\u8d77\u6765\uff0c\u4f7f\u7528\u54cd\u5e94\u5f0f\u6570\u636e\u65f6\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\u5bf9\u8c61\uff08\u4f7f\u7528<code>ref<\/code>\u6216<code>reactive<\/code>\uff09\uff0c\u7136\u540e\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e2d\u76f4\u63a5\u8bbf\u95ee\u548c\u4fee\u6539\u5176\u503c\u3002\u540c\u65f6\uff0cVue\u4f1a\u81ea\u52a8\u8ffd<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u4e2d\uff0c\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u662f\u4e24\u4e2a\u91cd\u8981\u7684\u529f\u80fd\uff0c\u7528\u4e8e\u5904\u7406\u548c\u54cd\u5e94\u6570\u636e\u7684\u53d8\u5316\u3002\u4e0b\u9762\u662f\u5bf9\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u5c5e\u6027\uff08Computed Properties\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u5c5e\u6027\u7684\u5b9a\u4e49\uff1a\u8ba1\u7b97\u5c5e\u6027\u662f\u4e00\u79cd\u6839\u636e\u5176\u4ed6\u54cd\u5e94\u5f0f\u6570\u636e\u8ba1\u7b97\u800c\u6765\u7684\u6570\u636e\u3002\u5b83\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u901a\u8fc7<code>computed<\/code>\u51fd\u6570\u6765\u521b\u5efa\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u8ba1\u7b97\u5c5e\u6027<code>fullName<\/code>\uff0c\u5b83\u7531<code>firstName<\/code>\u548c<code>lastName<\/code>\u62fc\u63a5\u800c\u6210\uff1ajavascriptCopy code<code>import { computed } from 'vue'; const firstName = ref('John'); const lastName = ref('Doe'); const fullName = computed(() =&gt; { return `${firstName.value} ${lastName.value}`; });<\/code><\/li>\n\n\n\n<li>\u8ba1\u7b97\u5c5e\u6027\u7684\u4f7f\u7528\uff1a\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901a\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u4e00\u6837\u4f7f\u7528\u8ba1\u7b97\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u663e\u793a<code>fullName<\/code>\u7684\u503c\uff1avueCopy code<code>&lt;p&gt;Full Name: {{ fullName }}&lt;\/p&gt;<\/code><\/li>\n\n\n\n<li>\u8ba1\u7b97\u5c5e\u6027\u7684\u7f13\u5b58\uff1a\u8ba1\u7b97\u5c5e\u6027\u5177\u6709\u7f13\u5b58\u673a\u5236\uff0c\u53ea\u6709\u5f53\u8ba1\u7b97\u5c5e\u6027\u7684\u4f9d\u8d56\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u624d\u4f1a\u91cd\u65b0\u8ba1\u7b97\u5176\u503c\u3002\u8fd9\u610f\u5473\u7740\u5728\u591a\u6b21\u8bbf\u95ee\u8ba1\u7b97\u5c5e\u6027\u65f6\uff0c\u53ea\u6709\u5728\u76f8\u5173\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u8ba1\u7b97\u5c5e\u6027\u624d\u4f1a\u91cd\u65b0\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4fa6\u542c\u5668\uff08Watchers\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4fa6\u542c\u5668\u7684\u5b9a\u4e49\uff1a\u4fa6\u542c\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u76d1\u542c\u6307\u5b9a\u54cd\u5e94\u5f0f\u6570\u636e\u53d8\u5316\u7684\u51fd\u6570\u3002\u5b83\u901a\u8fc7<code>watch<\/code>\u51fd\u6570\u6765\u521b\u5efa\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u4fa6\u542c\u5668\u6765\u76d1\u542c<code>firstName<\/code>\u7684\u53d8\u5316\uff1ajavascriptCopy code<code>import { watch } from 'vue'; watch(firstName, (newValue, oldValue) =&gt; { console.log(`firstName changed from ${oldValue} to ${newValue}`); });<\/code><\/li>\n\n\n\n<li>\u4fa6\u542c\u5668\u7684\u4f7f\u7528\uff1a\u4fa6\u542c\u5668\u901a\u8fc7\u76d1\u542c\u6307\u5b9a\u7684\u54cd\u5e94\u5f0f\u6570\u636e\uff0c\u5e76\u5728\u6570\u636e\u53d8\u5316\u65f6\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002\u53ef\u4ee5\u5728\u4fa6\u542c\u5668\u7684\u56de\u8c03\u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u5728\u4fa6\u542c\u5668\u7684\u56de\u8c03\u51fd\u6570\u4e2d\u66f4\u65b0<code>fullName<\/code>\uff1ajavascriptCopy code<code>watch(firstName, (newValue) =&gt; { fullName.value = `${newValue} ${lastName.value}`; });<\/code><\/li>\n\n\n\n<li>\u4fa6\u542c\u591a\u4e2a\u6570\u636e\uff1a\u9664\u4e86\u76d1\u542c\u5355\u4e2a\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u6765\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u76d1\u542c<code>firstName<\/code>\u548c<code>lastName<\/code>\u7684\u53d8\u5316\uff1ajavascriptCopy code<code>watch([firstName, lastName], ([newFirstName, newLastName], [oldFirstName, oldLastName]) =&gt; { console.log(`Name changed from ${oldFirstName} ${oldLastName} to ${newFirstName} ${newLastName}`); });<\/code><\/li>\n\n\n\n<li>\u505c\u6b62\u4fa6\u542c\uff1a\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u4f1a\u8fd4\u56de\u4e00\u4e2a\u7528\u4e8e\u505c\u6b62\u4fa6\u542c\u7684\u51fd\u6570\u3002\u53ef\u4ee5\u5728\u9700\u8981\u505c\u6b62\u4fa6\u542c\u7684\u65f6\u5019\u8c03\u7528\u8be5\u51fd\u6570\u6765\u505c\u6b62\u4fa6\u542c\u5668\u7684\u6267\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7ed3\u8d77\u6765\uff0c\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u662fVue.js 3\u4e2d\u5904\u7406\u548c\u54cd\u5e94\u6570\u636e\u53d8\u5316\u7684\u91cd\u8981\u5de5\u5177\u3002\u8ba1\u7b97\u5c5e\u6027\u7528\u4e8e\u521b\u5efa\u6839\u636e\u5176\u4ed6<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<p>\u54cd\u5e94\u5f0f\u6570\u636e\u8ba1\u7b97\u800c\u6765\u7684\u6570\u636e\uff0c\u5b83\u5177\u6709\u7f13\u5b58\u673a\u5236\uff0c\u53ea\u6709\u5728\u76f8\u5173\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u53d8\u5316\u65f6\u624d\u4f1a\u91cd\u65b0\u8ba1\u7b97\u3002\u800c\u4fa6\u542c\u5668\u5219\u7528\u4e8e\u76d1\u542c\u6307\u5b9a\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u53d8\u5316\uff0c\u5e76\u5728\u6570\u636e\u53d8\u5316\u65f6\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u53ef\u4ee5\u4f7f\u6570\u636e\u7684\u5904\u7406\u66f4\u52a0\u7075\u6d3b\u548c\u9ad8\u6548\u3002\u8ba1\u7b97\u5c5e\u6027\u9002\u7528\u4e8e\u90a3\u4e9b\u4f9d\u8d56\u4e8e\u5176\u4ed6\u54cd\u5e94\u5f0f\u6570\u636e\u8ba1\u7b97\u5f97\u51fa\u7684\u7ed3\u679c\uff0c\u800c\u4e0d\u9700\u8981\u624b\u52a8\u8c03\u7528\u7684\u573a\u666f\u3002\u4fa6\u542c\u5668\u5219\u9002\u7528\u4e8e\u90a3\u4e9b\u9700\u8981\u624b\u52a8\u5904\u7406\u6570\u636e\u53d8\u5316\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u5728\u6570\u636e\u53d8\u5316\u65f6\u8fdb\u884c\u5f02\u6b65\u64cd\u4f5c\u6216\u6267\u884c\u4e00\u4e9b\u590d\u6742\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u90fd\u662f\u5728<code>setup<\/code>\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u7684\u3002\u5728\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5bfc\u5165\u76f8\u5173\u7684\u51fd\u6570\uff08<code>computed<\/code>\u548c<code>watch<\/code>\uff09\u6765\u521b\u5efa\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\uff0c\u5e76\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u5c5e\u6027\u7528\u4e8e\u521b\u5efa\u6839\u636e\u5176\u4ed6\u54cd\u5e94\u5f0f\u6570\u636e\u8ba1\u7b97\u800c\u6765\u7684\u6570\u636e\uff0c\u5177\u6709\u7f13\u5b58\u673a\u5236\uff0c\u81ea\u52a8\u66f4\u65b0\u3002<\/li>\n\n\n\n<li>\u4fa6\u542c\u5668\u7528\u4e8e\u76d1\u542c\u6307\u5b9a\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u53d8\u5316\uff0c\u5e76\u5728\u6570\u636e\u53d8\u5316\u65f6\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u5c5e\u6027\u9002\u7528\u4e8e\u90a3\u4e9b\u4f9d\u8d56\u5176\u4ed6\u54cd\u5e94\u5f0f\u6570\u636e\u8ba1\u7b97\u7684\u60c5\u51b5\uff0c\u800c\u4fa6\u542c\u5668\u9002\u7528\u4e8e\u624b\u52a8\u5904\u7406\u6570\u636e\u53d8\u5316\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u90fd\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528\uff0c\u901a\u8fc7\u5bfc\u5165\u76f8\u5173\u7684\u51fd\u6570\uff08<code>computed<\/code>\u548c<code>watch<\/code>\uff09\u6765\u521b\u5efa\u548c\u5b9a\u4e49\u903b\u8f91\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4ecb\u7ecd\u7ec4\u5408\u51fd\u6570\u7684\u6982\u5ff5ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u4e2d\uff0c\u7ec4\u5408\u51fd\u6570\uff08Composition Function\uff09\u662f\u4e00\u79cd\u5c06\u903b\u8f91\u76f8\u5173\u7684\u4ee3\u7801\u7ec4\u5408\u6210\u53ef\u91cd\u7528\u7684\u51fd\u6570\u7684\u6982\u5ff5\u3002\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u5b9a\u4e49\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u548c\u903b\u8f91\u590d\u7528\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u5bf9\u7ec4\u5408\u51fd\u6570\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7ec4\u5408\u51fd\u6570\u662f\u4e00\u4e2a\u666e\u901a\u7684JavaScript\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u7684\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528Vue\u63d0\u4f9b\u7684Composition API\u51fd\u6570\uff0c\u5982<code>ref<\/code>\u3001<code>reactive<\/code>\u3001<code>computed<\/code>\u548c<code>watch<\/code>\u7b49\uff0c\u6765\u5904\u7406\u6570\u636e\u548c\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u7684\u8fd4\u56de\u503c\u53ef\u4ee5\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528\uff0c\u5e76\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\u8bbf\u95ee\u548c\u8c03\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u7684\u4f18\u70b9\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4ee3\u7801\u7ec4\u7ec7\uff1a\u7ec4\u5408\u51fd\u6570\u5141\u8bb8\u5c06\u76f8\u5173\u7684\u903b\u8f91\u4ee3\u7801\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u3001\u53ef\u8bfb\u6027\u66f4\u9ad8\uff0c\u5e76\u4e14\u66f4\u5bb9\u6613\u7ef4\u62a4\u3002\u53ef\u4ee5\u6839\u636e\u529f\u80fd\u5c06\u4ee3\u7801\u5206\u5272\u6210\u591a\u4e2a\u7ec4\u5408\u51fd\u6570\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u3002<\/li>\n\n\n\n<li>\u903b\u8f91\u590d\u7528\uff1a\u901a\u8fc7\u5c06\u903b\u8f91\u4ee3\u7801\u62bd\u79bb\u5230\u7ec4\u5408\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u5b9e\u73b0\u903b\u8f91\u7684\u590d\u7528\u3002\u4e0d\u540c\u7684\u7ec4\u4ef6\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u7ec4\u5408\u51fd\u6570\u6765\u5171\u4eab\u903b\u8f91\uff0c\u51cf\u5c11\u4e86\u91cd\u590d\u4ee3\u7801\u7684\u7f16\u5199\u3002<\/li>\n\n\n\n<li>\u53c2\u6570\u4f20\u9012\uff1a\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u53ef\u4ee5\u6839\u636e\u4f20\u5165\u7684\u53c2\u6570\u8fdb\u884c\u4e0d\u540c\u7684\u903b\u8f91\u5904\u7406\uff0c\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u4ee3\u7801\u590d\u7528\u548c\u5b9a\u5236\u5316\u3002<\/li>\n\n\n\n<li>\u7b80\u5316<code>setup<\/code>\u51fd\u6570\uff1a\u5c06\u903b\u8f91\u4ee3\u7801\u653e\u5728\u7ec4\u5408\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u7b80\u5316<code>setup<\/code>\u51fd\u6570\uff0c\u4f7f\u5176\u66f4\u4e13\u6ce8\u4e8e\u7ec4\u5408\u51fd\u6570\u7684\u8c03\u7528\u548c\u7ec4\u4ef6\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\uff0c\u901a\u8fc7\u8c03\u7528\u7ec4\u5408\u51fd\u6570\u5e76\u4f20\u5165\u5fc5\u8981\u7684\u53c2\u6570\uff0c\u83b7\u53d6\u7ec4\u5408\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u4f8b\u5982\uff1a<code>const { count, increment } = useCounter(10);<\/code><\/li>\n\n\n\n<li>\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<code>&lt;p&gt;Count: {{ count }}&lt;\/p&gt;&lt;button @click=\"increment\"&gt;Increment&lt;\/button&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7ec4\u7ec7\u548c\u590d\u7528\u903b\u8f91\u4ee3\u7801\uff0c\u4f7f\u4ee3\u7801\u66f4\u53ef\u8bfb\u3001\u53ef\u7ef4\u62a4\uff0c\u5e76\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ec4\u5408\u51fd\u6570\u662f\u4e00\u79cd\u5c06\u903b\u8f91\u76f8\u5173\u7684\u4ee3\u7801\u7ec4\u5408\u6210\u53ef\u91cd\u7528\u51fd\u6570\u7684\u6982\u5ff5\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u5b9a\u4e49\uff0c\u5e76\u4f7f\u7528Vue\u7684Composition API\u51fd\u6570\u5904\u7406\u6570\u636e\u548c\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u7684\u4f18\u70b9\u5305\u62ec\u4ee3\u7801\u7ec4\u7ec7\u3001\u903b\u8f91\u590d\u7528\u3001\u53c2\u6570\u4f20\u9012\u548c\u7b80\u5316<code>setup<\/code>\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u8c03\u7528\u7ec4\u5408\u51fd\u6570\uff0c\u5e76\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u5176\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u548c\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<p>\u5f53\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u65f6\uff0c\u6709\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u548c\u6700\u4f73\u5b9e\u8df5\u503c\u5f97\u8003\u8651\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u547d\u540d\u7ea6\u5b9a\uff1a\u4e3a\u7ec4\u5408\u51fd\u6570\u9009\u62e9\u6e05\u6670\u4e14\u6709\u610f\u4e49\u7684\u540d\u79f0\uff0c\u4ee5\u4fbf\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u7406\u89e3\u5176\u7528\u9014\u548c\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u7684\u5355\u4e00\u8d23\u4efb\u539f\u5219\uff1a\u5c06\u7ec4\u5408\u51fd\u6570\u8bbe\u8ba1\u4e3a\u5177\u6709\u5355\u4e00\u8d23\u4efb\uff0c\u6bcf\u4e2a\u7ec4\u5408\u51fd\u6570\u5e94\u8be5\u4e13\u6ce8\u4e8e\u5904\u7406\u7279\u5b9a\u7684\u529f\u80fd\u6216\u903b\u8f91\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\uff0c\u5e76\u4f7f\u903b\u8f91\u590d\u7528\u66f4\u52a0\u7075\u6d3b\u3002<\/li>\n\n\n\n<li>\u53c2\u6570\u4f20\u9012\uff1a\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u66f4\u52a0\u901a\u7528\u548c\u53ef\u5b9a\u5236\u5316\u3002\u786e\u4fdd\u5728\u8c03\u7528\u7ec4\u5408\u51fd\u6570\u65f6\u63d0\u4f9b\u5fc5\u8981\u7684\u53c2\u6570\uff0c\u4ee5\u4fbf\u6b63\u786e\u5730\u5904\u7406\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u5904\u7406\uff1a\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528<code>ref<\/code>\u3001<code>reactive<\/code>\u7b49\u51fd\u6570\u521b\u5efa\u54cd\u5e94\u5f0f\u6570\u636e\u3002\u786e\u4fdd\u5728\u7ec4\u5408\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u6b63\u786e\u7684\u51fd\u6570\u6765\u5904\u7406\u6570\u636e\uff0c\u4ee5\u4fbf\u83b7\u5f97\u9884\u671f\u7684\u54cd\u5e94\u5f0f\u884c\u4e3a\u3002<\/li>\n\n\n\n<li>\u7ec4\u4ef6\u4e0e\u7ec4\u5408\u51fd\u6570\u7684\u5173\u7cfb\uff1a\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u4f5c\u4e3a\u7ec4\u4ef6\u7684\u4e00\u90e8\u5206\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u5728\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u3002\u6839\u636e\u9700\u8981\uff0c\u5728\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u590d\u7528\u7ec4\u5408\u51fd\u6570\uff0c\u4ee5\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\uff0c\u5e76\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u7684\u6d4b\u8bd5\uff1a\u7ec4\u5408\u51fd\u6570\u7684\u72ec\u7acb\u6027\u4f7f\u5f97\u5b83\u4eec\u66f4\u5bb9\u6613\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u3002\u53ef\u4ee5\u9488\u5bf9\u7ec4\u5408\u51fd\u6570\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\uff0c\u786e\u4fdd\u5176\u529f\u80fd\u6b63\u786e\u5e76\u6ee1\u8db3\u9884\u671f\u8981\u6c42\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u7684\u89c4\u6a21\u548c\u590d\u6742\u6027\uff1a\u6839\u636e\u9879\u76ee\u7684\u9700\u6c42\u548c\u7ec4\u4ef6\u7684\u590d\u6742\u6027\uff0c\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u89c4\u6a21\u548c\u590d\u6742\u6027\u3002\u5728\u7f16\u5199\u7ec4\u5408\u51fd\u6570\u65f6\uff0c\u5e94\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u9002\u5f53\u7684\u89c4\u6a21\u548c\u590d\u6742\u6027\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ec4\u5408\u51fd\u6570\u5e94\u5177\u6709\u5355\u4e00\u8d23\u4efb\uff0c\u6709\u660e\u786e\u7684\u547d\u540d\uff0c\u5e76\u6839\u636e\u9700\u8981\u63a5\u53d7\u53c2\u6570\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u6b63\u786e\u7684\u51fd\u6570\u6765\u5904\u7406\u54cd\u5e94\u5f0f\u6570\u636e\uff0c\u4ee5\u786e\u4fdd\u83b7\u5f97\u9884\u671f\u7684\u54cd\u5e94\u5f0f\u884c\u4e3a\u3002<\/li>\n\n\n\n<li>\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u4f5c\u4e3a\u7ec4\u4ef6\u7684\u4e00\u90e8\u5206\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u5728\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u3002<\/li>\n\n\n\n<li>\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u6765\u9a8c\u8bc1\u7ec4\u5408\u51fd\u6570\u7684\u529f\u80fd\u548c\u884c\u4e3a\u3002<\/li>\n\n\n\n<li>\u6839\u636e\u9879\u76ee\u9700\u6c42\u548c\u7ec4\u4ef6\u590d\u6742\u6027\uff0c\u9009\u62e9\u9002\u5f53\u7684\u89c4\u6a21\u548c\u590d\u6742\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u4f7f\u7528\u548c\u7ba1\u7406\u7ec4\u5408\u51fd\u6570\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u548c\u5f00\u53d1\u6548\u7387\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u7684\u521b\u5efaChatGPT<\/p>\n\n\n\n<p>\u521b\u5efa\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7ec4\u7ec7\u548c\u590d\u7528\u903b\u8f91\u4ee3\u7801\u3002\u4e0b\u9762\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6253\u5f00\u4f60\u7684Vue.js 3\u9879\u76ee\u4e2d\u7684\u4e00\u4e2a\u9002\u5f53\u4f4d\u7f6e\u6765\u521b\u5efa\u4f60\u7684\u7ec4\u5408\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u5728\u8be5\u4f4d\u7f6e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684JavaScript\u6587\u4ef6\uff0c\u4f5c\u4e3a\u4f60\u7684\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u7684\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u547d\u540d\u4e3a<code>useCustomFunction.js<\/code>\u3002<\/li>\n\n\n\n<li>\u5728\u8be5\u6587\u4ef6\u4e2d\uff0c\u7f16\u5199\u4f60\u7684\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u3002\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u5e94\u8be5\u662f\u4e00\u4e2a\u666e\u901a\u7684JavaScript\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { ref, computed } from 'vue';\n\nexport function useCustomFunction(initialValue) {\n  const data = ref(initialValue);\n\n  const double = computed(() =&gt; data.value * 2);\n\n  function increment() {\n    data.value++;\n  }\n\n  return {\n    data,\n    double,\n    increment,\n  };\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570<code>useCustomFunction<\/code>\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a\u521d\u59cb\u503c\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5305\u542b<code>data<\/code>\u3001<code>double<\/code>\u548c<code>increment<\/code>\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5728\u4f60\u7684Vue\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u3002\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u8c03\u7528\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\uff0c\u5e76\u63a5\u6536\u8fd4\u56de\u7684\u5bf9\u8c61\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { useCustomFunction } from '.\/useCustomFunction.js';\n\nexport default {\n  setup() {\n    const { data, double, increment } = useCustomFunction(5);\n\n    return {\n      data,\n      double,\n      increment,\n    };\n  },\n};\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570<code>useCustomFunction<\/code>\uff0c\u5e76\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u8c03\u7528\u5b83\uff0c\u5c06\u8fd4\u56de\u7684\u6570\u636e\u89e3\u6784\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;template&gt;\n  &lt;div&gt;\n    &lt;p&gt;Data: {{ data }}&lt;\/p&gt;\n    &lt;p&gt;Double: {{ double }}&lt;\/p&gt;\n    &lt;button @click=\"increment\"&gt;Increment&lt;\/button&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684<code>data<\/code>\u3001<code>double<\/code>\u548c<code>increment<\/code>\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u4f60\u5c31\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u7684\u7ec4\u5408\u51fd\u6570\uff0c\u5e76\u5728\u4f60\u7684Vue\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u5b83\u4eec\u3002\u8fd9\u6837\u53ef\u4ee5\u5c06\u903b\u8f91\u4ee3\u7801\u7ec4\u7ec7\u8d77\u6765\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u590d\u7528\u6027\uff0c\u4ee5\u53ca\u7b80\u5316\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u4e2d\uff0c\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u53ef\u4ee5\u5c06\u903b\u8f91\u76f8\u5173\u7684\u4ee3\u7801\u7ec4\u5408\u6210\u53ef\u91cd\u7528\u7684\u51fd\u6570\uff0c\u5e76\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u7ec4\u5408\u51fd\u6570\u3002\u4ee5\u4e0b\u662f\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa\u7ec4\u5408\u51fd\u6570\uff1a\u9996\u5148\uff0c\u5728\u4f60\u7684Vue.js 3\u9879\u76ee\u4e2d\u521b\u5efa\u4e00\u4e2a\u7ec4\u5408\u51fd\u6570\u3002\u7ec4\u5408\u51fd\u6570\u662f\u4e00\u4e2a\u666e\u901a\u7684JavaScript\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528Vue\u7684Composition API\u51fd\u6570\uff08\u5982<code>ref<\/code>\u3001<code>reactive<\/code>\u3001<code>computed<\/code>\u3001<code>watch<\/code>\u7b49\uff09\u6765\u5904\u7406\u6570\u636e\u548c\u903b\u8f91\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5b9a\u4e49\u6240\u9700\u7684\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u5bfc\u5165\u7ec4\u5408\u51fd\u6570\uff1a\u5728\u9700\u8981\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u7684\u7ec4\u4ef6\u4e2d\uff0c\u901a\u8fc7\u5bfc\u5165\u7ec4\u5408\u51fd\u6570\u7684\u65b9\u5f0f\u5c06\u5176\u5f15\u5165\u3002\u786e\u4fdd\u4f60\u5728\u7ec4\u4ef6\u6587\u4ef6\u7684\u9876\u90e8\u4f7f\u7528<code>import<\/code>\u8bed\u53e5\u5bfc\u5165\u7ec4\u5408\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { useCustomFunction } from '@\/path\/to\/customFunction';\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5728\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u4e2d\u8c03\u7528\u7ec4\u5408\u51fd\u6570\uff1a\u5728\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u5185\u90e8\uff0c\u4f7f\u7528<code>const<\/code>\u5173\u952e\u5b57\u58f0\u660e\u4e00\u4e2a\u53d8\u91cf\uff0c\u5e76\u8c03\u7528\u4f60\u5bfc\u5165\u7684\u7ec4\u5408\u51fd\u6570\u6765\u83b7\u53d6\u7ec4\u5408\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002\u8fd9\u6837\uff0c\u4f60\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u63d0\u4f9b\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>export default {\n  setup() {\n    const { data, double, increment } = useCustomFunction();\n\n    \/\/ \u5728\u8fd9\u91cc\u53ef\u4ee5\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u3001\u8ba1\u7b97\u5c5e\u6027\u548c\u65b9\u6cd5\n\n    return {\n      data,\n      double,\n      increment,\n    };\n  },\n};\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u8c03\u7528<code>useCustomFunction<\/code>\u7ec4\u5408\u51fd\u6570\uff0c\u5e76\u5c06\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u548c\u65b9\u6cd5\u89e3\u6784\u8d4b\u503c\u7ed9<code>data<\/code>\u3001<code>double<\/code>\u548c<code>increment<\/code>\u53d8\u91cf\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u548c\u65b9\u6cd5\uff1a\u901a\u8fc7\u5728\u7ec4\u4ef6\u7684\u6a21\u677f\u4e2d\u4f7f\u7528<code>{{ }}<\/code>\u63d2\u503c\u8bed\u6cd5\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u548c\u5c55\u793a\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u3002\u540c\u65f6\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>@<\/code>\u6216<code>v-on<\/code>\u6307\u4ee4\u6765\u76d1\u542c\u548c\u8c03\u7528\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">vueCopy code<code>&lt;template&gt;\n  &lt;div&gt;\n    &lt;p&gt;Data: {{ data }}&lt;\/p&gt;\n    &lt;p&gt;Double: {{ double }}&lt;\/p&gt;\n    &lt;button @click=\"increment\"&gt;Increment&lt;\/button&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u8fd4\u56de\u7684<code>data<\/code>\u3001<code>double<\/code>\u548c<code>increment<\/code>\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u7ec4\u5408\u51fd\u6570\u3002\u8fd9\u6837\u53ef\u4ee5\u5c06\u903b\u8f91\u76f8\u5173\u7684\u4ee3\u7801\u7ec4\u7ec7\u8d77\u6765\uff0c\u5e76\u5728\u4e0d\u540c\u7684\u7ec4\u4ef6\u4e4b\u95f4\u590d\u7528\u8fd9\u4e9b\u7ec4\u5408\u51fd\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5728Composition API\u4e2d\u4f7f\u7528\u751f\u547d\u5468\u671f\u94a9\u5b50ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u7684Composition API\u4e2d\uff0c\u4f7f\u7528\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u53ef\u4ee5\u8ba9\u6211\u4eec\u5728\u7ec4\u4ef6\u7684\u4e0d\u540c\u9636\u6bb5\u6267\u884c\u7279\u5b9a\u7684\u903b\u8f91\u3002Composition API\u63d0\u4f9b\u4e86\u4e0e\u4f20\u7edf\u7684Options API\u76f8\u5bf9\u5e94\u7684\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u3002\u4ee5\u4e0b\u662f\u5728Composition API\u4e2d\u4f7f\u7528\u751f\u547d\u5468\u671f\u94a9\u5b50\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>onBeforeMount<\/code>\uff08\u5728\u6302\u8f7d\u4e4b\u524d\uff09\uff1a\u8fd9\u4e2a\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u6302\u8f7d\u5230DOM\u4e4b\u524d\u88ab\u8c03\u7528\u3002\u5728\u8be5\u94a9\u5b50\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u51c6\u5907\u5de5\u4f5c\u6216\u5f02\u6b65\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { onBeforeMount } from 'vue';\n\nexport default {\n  setup() {\n    onBeforeMount(() =&gt; {\n      \/\/ \u5728\u6302\u8f7d\u4e4b\u524d\u6267\u884c\u7684\u903b\u8f91\n    });\n  },\n};\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><code>onMounted<\/code>\uff08\u5728\u6302\u8f7d\u4e4b\u540e\uff09\uff1a\u8fd9\u4e2a\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u6302\u8f7d\u5230DOM\u4e4b\u540e\u88ab\u8c03\u7528\u3002\u5728\u8be5\u94a9\u5b50\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u9700\u8981\u8bbf\u95eeDOM\u5143\u7d20\u7684\u64cd\u4f5c\u6216\u521d\u59cb\u5316\u4e00\u4e9b\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { onMounted } from 'vue';\n\nexport default {\n  setup() {\n    onMounted(() =&gt; {\n      \/\/ \u5728\u6302\u8f7d\u4e4b\u540e\u6267\u884c\u7684\u903b\u8f91\n    });\n  },\n};\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li><code>onBeforeUpdate<\/code>\uff08\u5728\u66f4\u65b0\u4e4b\u524d\uff09\uff1a\u8fd9\u4e2a\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u66f4\u65b0\u4e4b\u524d\u88ab\u8c03\u7528\u3002\u5728\u8be5\u94a9\u5b50\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u5728\u7ec4\u4ef6\u66f4\u65b0\u524d\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { onBeforeUpdate } from 'vue';\n\nexport default {\n  setup() {\n    onBeforeUpdate(() =&gt; {\n      \/\/ \u5728\u66f4\u65b0\u4e4b\u524d\u6267\u884c\u7684\u903b\u8f91\n    });\n  },\n};\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li><code>onUpdated<\/code>\uff08\u5728\u66f4\u65b0\u4e4b\u540e\uff09\uff1a\u8fd9\u4e2a\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u66f4\u65b0\u4e4b\u540e\u88ab\u8c03\u7528\u3002\u5728\u8be5\u94a9\u5b50\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u5728\u7ec4\u4ef6\u66f4\u65b0\u540e\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { onUpdated } from 'vue';\n\nexport default {\n  setup() {\n    onUpdated(() =&gt; {\n      \/\/ \u5728\u66f4\u65b0\u4e4b\u540e\u6267\u884c\u7684\u903b\u8f91\n    });\n  },\n};\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li><code>onBeforeUnmount<\/code>\uff08\u5728\u5378\u8f7d\u4e4b\u524d\uff09\uff1a\u8fd9\u4e2a\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u5378\u8f7d\u4e4b\u524d\u88ab\u8c03\u7528\u3002\u5728\u8be5\u94a9\u5b50\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u6e05\u7406\u5de5\u4f5c\u6216\u53d6\u6d88\u8ba2\u9605\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { onBeforeUnmount } from 'vue';\n\nexport default {\n  setup() {\n    onBeforeUnmount(() =&gt; {\n      \/\/ \u5728\u5378\u8f7d\u4e4b\u524d\u6267\u884c\u7684\u903b\u8f91\n    });\n  },\n};\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li><code>onUnmounted<\/code>\uff08\u5728\u5378\u8f7d\u4e4b\u540e\uff09\uff1a\u8fd9\u4e2a\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u5378\u8f7d\u4e4b\u540e\u88ab\u8c03\u7528\u3002\u5728\u8be5\u94a9\u5b50\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u5728\u7ec4\u4ef6\u5378\u8f7d\u540e\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { onUnmounted } from 'vue';\n\nexport default {\n  setup() {\n    onUnmounted(() =&gt; {\n      \/\/ \u5728\u5378\u8f7d\u4e4b\u540e\u6267\u884c\u7684\u903b\u8f91\n    });\n  },\n};\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e9b\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u53ef\u4ee5\u5728\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528\uff0c\u4e0e\u5176\u4ed6\u7684Composition API\u51fd\u6570\u4e00\u8d77\u4f7f\u7528\u3002\u5b83\u4eec\u63d0\u4f9b\u4e86\u5728\u4e0d\u540c\u7684<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<p>\u9636\u6bb5\u6267\u884c\u7279\u5b9a\u903b\u8f91\u7684\u80fd\u529b\uff0c\u4f7f\u4f60\u80fd\u591f\u5728\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\u4e2d\u5904\u7406\u76f8\u5173\u4efb\u52a1\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4f7f\u7528Composition API\u65f6\uff0c\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u7684\u547d\u540d\u65b9\u5f0f\u6709\u6240\u53d8\u5316\uff0c\u4ee5<code>on<\/code>\u5f00\u5934\uff0c\u800c\u4e0d\u662f\u4ee5<code>before<\/code>\u6216<code>after<\/code>\u5f00\u5934\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0cComposition API\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u4e00\u4e9b\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\uff0c\u5982<code>onActivated<\/code>\u3001<code>onDeactivated<\/code>\u3001<code>onRenderTracked<\/code>\u3001<code>onRenderTriggered<\/code>\u7b49\uff0c\u7528\u4e8e\u66f4\u7ec6\u7c92\u5ea6\u7684\u63a7\u5236\u548c\u8ffd\u8e2a\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\u3002\u8fd9\u4e9b\u94a9\u5b50\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u5f0f\u4e0e\u4e0a\u8ff0\u94a9\u5b50\u51fd\u6570\u7c7b\u4f3c\uff0c\u53ea\u9700\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u5bfc\u5165\u5e76\u4f7f\u7528\u5b83\u4eec\u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728Vue.js 3\u7684Composition API\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u6765\u6267\u884c\u7279\u5b9a\u9636\u6bb5\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u5305\u62ec<code>onBeforeMount<\/code>\u3001<code>onMounted<\/code>\u3001<code>onBeforeUpdate<\/code>\u3001<code>onUpdated<\/code>\u3001<code>onBeforeUnmount<\/code>\u3001<code>onUnmounted<\/code>\u7b49\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u94a9\u5b50\u51fd\u6570\u53ef\u4ee5\u5728\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528\uff0c\u901a\u8fc7\u5bfc\u5165\u76f8\u5e94\u7684\u51fd\u6570\u6765\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u94a9\u5b50\u51fd\u6570\u63d0\u4f9b\u4e86\u5728\u7ec4\u4ef6\u4e0d\u540c\u9636\u6bb5\u6267\u884c\u7279\u5b9a\u903b\u8f91\u7684\u80fd\u529b\uff0c\u7528\u4e8e\u51c6\u5907\u6570\u636e\u3001\u64cd\u4f5cDOM\u5143\u7d20\u3001\u6267\u884c\u6e05\u7406\u5de5\u4f5c\u7b49\u3002<\/li>\n\n\n\n<li>\u94a9\u5b50\u51fd\u6570\u7684\u547d\u540d\u65b9\u5f0f\u4ee5<code>on<\/code>\u5f00\u5934\uff0c\u4e0eOptions API\u4e2d\u7684\u547d\u540d\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\u3002<\/li>\n\n\n\n<li>Composition API\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u4e00\u4e9b\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\uff0c\u5982<code>onActivated<\/code>\u3001<code>onDeactivated<\/code>\u3001<code>onRenderTracked<\/code>\u3001<code>onRenderTriggered<\/code>\u7b49\uff0c\u7528\u4e8e\u66f4\u7ec6\u7c92\u5ea6\u7684\u63a7\u5236\u548c\u8ffd\u8e2a\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\uff0c\u5e76\u5728\u9700\u8981\u7684\u9636\u6bb5\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002\u8fd9\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u5f00\u53d1\u65b9\u5f0f\u548c\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6f14\u793a\u5e38\u89c1\u7684\u751f\u547d\u5468\u671f\u94a9\u5b50\u7684\u4f7f\u7528\u65b9\u5f0fChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u7684Composition API\u4e2d\uff0c\u5e38\u89c1\u7684\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u6709<code>onBeforeMount<\/code>\u3001<code>onMounted<\/code>\u3001<code>onBeforeUpdate<\/code>\u3001<code>onUpdated<\/code>\u3001<code>onBeforeUnmount<\/code>\u548c<code>onUnmounted<\/code>\u3002\u4ee5\u4e0b\u662f\u8fd9\u4e9b\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u5f0f\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>onBeforeMount<\/code>\uff08\u5728\u6302\u8f7d\u4e4b\u524d\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8be5\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u6302\u8f7d\u5230DOM\u4e4b\u524d\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528<code>onBeforeMount<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u51c6\u5907\u5de5\u4f5c\u6216\u8fdb\u884c\u5f02\u6b65\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1ajavascriptCopy code<code>import { onBeforeMount } from 'vue'; export default { setup() { onBeforeMount(() =&gt; { \/\/ \u5728\u6302\u8f7d\u4e4b\u524d\u6267\u884c\u7684\u903b\u8f91 }); }, };<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>onMounted<\/code>\uff08\u5728\u6302\u8f7d\u4e4b\u540e\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8be5\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u6302\u8f7d\u5230DOM\u4e4b\u540e\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528<code>onMounted<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7528\u4e8e\u6267\u884c\u9700\u8981\u8bbf\u95eeDOM\u5143\u7d20\u7684\u64cd\u4f5c\u6216\u521d\u59cb\u5316\u4e00\u4e9b\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1ajavascriptCopy code<code>import { onMounted } from 'vue'; export default { setup() { onMounted(() =&gt; { \/\/ \u5728\u6302\u8f7d\u4e4b\u540e\u6267\u884c\u7684\u903b\u8f91 }); }, };<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>onBeforeUpdate<\/code>\uff08\u5728\u66f4\u65b0\u4e4b\u524d\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8be5\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u66f4\u65b0\u4e4b\u524d\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528<code>onBeforeUpdate<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u5728\u7ec4\u4ef6\u66f4\u65b0\u524d\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1ajavascriptCopy code<code>import { onBeforeUpdate } from 'vue'; export default { setup() { onBeforeUpdate(() =&gt; { \/\/ \u5728\u66f4\u65b0\u4e4b\u524d\u6267\u884c\u7684\u903b\u8f91 }); }, };<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>onUpdated<\/code>\uff08\u5728\u66f4\u65b0\u4e4b\u540e\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8be5\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u66f4\u65b0\u4e4b\u540e\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528<code>onUpdated<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u5728\u7ec4\u4ef6\u66f4\u65b0\u540e\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1ajavascriptCopy code<code>import { onUpdated } from 'vue'; export default { setup() { onUpdated(() =&gt; { \/\/ \u5728\u66f4\u65b0\u4e4b\u540e\u6267\u884c\u7684\u903b\u8f91 }); }, };<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>onBeforeUnmount<\/code>\uff08\u5728\u5378\u8f7d\u4e4b\u524d\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8be5\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u5378\u8f7d\u4e4b\u524d\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528<code>onBeforeUnmount<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u6e05\u7406\u5de5\u4f5c\u6216\u53d6\u6d88\u8ba2\u9605\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1ajavascriptCopy code<code>import { onBeforeUnmount } from 'vue'; export default { setup() { onBeforeUnmount(() =&gt; { \/\/ \u5728\u5378\u8f7d\u4e4b\u524d\u6267\u884c\u7684\u903b\u8f91 }); }, }; ``<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li><code>onUnmounted<\/code>\uff08\u5728\u5378\u8f7d\u4e4b\u540e\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8be5\u94a9\u5b50\u51fd\u6570\u4f1a\u5728\u7ec4\u4ef6\u5378\u8f7d\u4e4b\u540e\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528<code>onUnmounted<\/code>\u51fd\u6570\u6765\u5b9a\u4e49\u76f8\u5e94\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u5728\u7ec4\u4ef6\u5378\u8f7d\u540e\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff1ajavascriptCopy code<code>import { onUnmounted } from 'vue'; export default { setup() { onUnmounted(() =&gt; { \/\/ \u5728\u5378\u8f7d\u4e4b\u540e\u6267\u884c\u7684\u903b\u8f91 }); }, };<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e9b\u662f\u5728Vue.js 3\u7684Composition API\u4e2d\u5e38\u89c1\u7684\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u5f0f\u3002\u901a\u8fc7\u5728<code>setup<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u94a9\u5b50\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u9636\u6bb5\u6267\u884c\u7279\u5b9a\u7684\u903b\u8f91\u3002\u8fd9\u4f7f\u5f97\u4f60\u80fd\u591f\u5728\u7ec4\u4ef6\u7684\u6302\u8f7d\u3001\u66f4\u65b0\u548c\u5378\u8f7d\u8fc7\u7a0b\u4e2d\u6267\u884c\u5fc5\u8981\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u6570\u636e\u521d\u59cb\u5316\u3001DOM\u64cd\u4f5c\u3001\u8ba2\u9605\u7ba1\u7406\u3001\u6e05\u7406\u7b49\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4f7f\u7528Composition API\u65f6\uff0c\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u7684\u547d\u540d\u65b9\u5f0f\u6709\u6240\u53d8\u5316\uff0c\u4ee5<code>on<\/code>\u5f00\u5934\uff0c\u800c\u4e0d\u662f\u4ee5<code>before<\/code>\u6216<code>after<\/code>\u5f00\u5934\u3002\u8fd9\u6837\u7684\u53d8\u5316\u662f\u4e3a\u4e86\u66f4\u597d\u5730\u4e0e\u5176\u4ed6Composition API\u51fd\u6570\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u5408\u7406\u5730\u4f7f\u7528\u8fd9\u4e9b\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u5728\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\u4e2d\u6dfb\u52a0\u548c\u5904\u7406\u903b\u8f91\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u9ad8\u6548\u7684\u5f00\u53d1\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4ecb\u7ecd\u903b\u8f91\u7684\u91cd\u7528\u6982\u5ff5ChatGPT<\/p>\n\n\n\n<p>\u903b\u8f91\u7684\u91cd\u7528\u662f\u6307\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u901a\u8fc7\u5c06\u901a\u7528\u7684\u903b\u8f91\u4ee3\u7801\u62bd\u8c61\u51fa\u6765\uff0c\u5e76\u4f7f\u5176\u53ef\u5728\u591a\u4e2a\u5730\u65b9\u8fdb\u884c\u590d\u7528\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u8bfb\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002\u903b\u8f91\u7684\u91cd\u7528\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5305\u62ec\u51fd\u6570\u3001\u7c7b\u3001\u7ec4\u4ef6\u548c\u6a21\u5757\u7b49\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u5bf9\u903b\u8f91\u7684\u91cd\u7528\u6982\u5ff5\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u51fd\u6570\u7ea7\u91cd\u7528\uff1a\u5c06\u901a\u7528\u7684\u903b\u8f91\u5c01\u88c5\u6210\u51fd\u6570\uff0c\u4ee5\u5b9e\u73b0\u51fd\u6570\u7ea7\u7684\u91cd\u7528\u3002\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u5e76\u6839\u636e\u4e0d\u540c\u7684\u8f93\u5165\u8fdb\u884c\u4e0d\u540c\u7684\u5904\u7406\u3002\u901a\u8fc7\u5c06\u903b\u8f91\u5c01\u88c5\u5230\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u5728\u591a\u4e2a\u5730\u65b9\u8c03\u7528\u8be5\u51fd\u6570\uff0c\u907f\u514d\u91cd\u590d\u7f16\u5199\u76f8\u540c\u7684\u4ee3\u7801\u3002\u51fd\u6570\u7ea7\u7684\u91cd\u7528\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u800c\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u590d\u7528\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u7c7b\u7ea7\u91cd\u7528\uff1a\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09\u7684\u6982\u5ff5\uff0c\u5c06\u76f8\u5173\u7684\u903b\u8f91\u5c01\u88c5\u5230\u7c7b\u4e2d\uff0c\u5e76\u901a\u8fc7\u5b9e\u4f8b\u5316\u7c7b\u7684\u65b9\u5f0f\u8fdb\u884c\u91cd\u7528\u3002\u7c7b\u53ef\u4ee5\u6709\u5c5e\u6027\u3001\u65b9\u6cd5\u548c\u6784\u9020\u51fd\u6570\u7b49\uff0c\u901a\u8fc7\u7c7b\u7684\u5b9e\u4f8b\u53ef\u4ee5\u8bbf\u95ee\u548c\u8c03\u7528\u8fd9\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u7c7b\u7ea7\u7684\u91cd\u7528\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7ed3\u6784\u5316\u548c\u6a21\u5757\u5316\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u6269\u5c55\u6027\u3002<\/li>\n\n\n\n<li>\u7ec4\u4ef6\u7ea7\u91cd\u7528\uff1a\u5728\u524d\u7aef\u5f00\u53d1\u4e2d\uff0c\u7ec4\u4ef6\u662f\u4e00\u79cd\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u5c06\u76f8\u5173\u7684\u903b\u8f91\u3001\u6837\u5f0f\u548c\u6a21\u677f\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u4e00\u4e2a\u53ef\u590d\u7528\u7684\u529f\u80fd\u5355\u5143\u3002\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u548c\u63d2\u69fd\u7b49\u65b9\u5f0f\u63a5\u6536\u8f93\u5165\uff0c\u5e76\u63d0\u4f9b\u8f93\u51fa\u3002\u901a\u8fc7\u4f7f\u7528\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u5c06\u901a\u7528\u7684UI\u548c\u903b\u8f91\u5c01\u88c5\u8d77\u6765\uff0c\u4f7f\u5176\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u573a\u666f\u4e2d\u8fdb\u884c\u91cd\u7528\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li>\u6a21\u5757\u7ea7\u91cd\u7528\uff1a\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u6a21\u5757\u662f\u5c06\u76f8\u5173\u7684\u529f\u80fd\u548c\u903b\u8f91\u7ec4\u5408\u5728\u4e00\u8d77\u7684\u5355\u5143\u3002\u6a21\u5757\u53ef\u4ee5\u662f\u4e00\u4e2a\u6587\u4ef6\u3001\u4e00\u4e2a\u5e93\u6216\u4e00\u4e2a\u5305\uff0c\u5177\u6709\u72ec\u7acb\u7684\u529f\u80fd\u548c\u754c\u9650\u3002\u6a21\u5757\u7684\u91cd\u7528\u901a\u8fc7\u5bfc\u5165\u548c\u4f7f\u7528\u6a21\u5757\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u9879\u76ee\u548c\u573a\u666f\u4e2d\u590d\u7528\u903b\u8f91\u3002\u6a21\u5757\u7ea7\u7684\u91cd\u7528\u53ef\u4ee5\u5b9e\u73b0\u4ee3\u7801\u7684\u6a21\u5757\u5316\u548c\u53ef\u7ec4\u5408\u6027\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u903b\u8f91\u7684\u91cd\u7528\u6709\u52a9\u4e8e\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u5e76\u4fc3\u8fdb\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u901a\u8fc7\u5c06\u901a\u7528\u7684\u903b\u8f91\u62bd\u8c61\u51fa\u6765\uff0c\u5e76\u5728\u9700\u8981\u7684\u5730\u65b9\u8fdb\u884c\u91cd\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u7f16\u5199\u76f8\u540c\u7684\u4ee3\u7801\uff0c\u540c\u65f6\u4fdd\u6301\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002\u8fd9\u4f7f\u5f97\u8f6f\u4ef6\u5f00\u53d1\u66f4\u52a0\u9ad8\u6548\u3001\u53ef\u9760\u548c\u53ef\u6301\u7eed\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6f14\u793a\u5982\u4f55\u521b\u5efa\u53ef\u91cd\u7528\u7684\u903b\u8f91\u51fd\u6570ChatGPT<\/p>\n\n\n\n<p>\u521b\u5efa\u53ef\u91cd\u7528\u7684\u903b\u8f91\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c06\u901a\u7528\u7684\u903b\u8f91\u4ee3\u7801\u5c01\u88c5\u8d77\u6765\uff0c\u4ee5\u4fbf\u5728\u591a\u4e2a\u5730\u65b9\u8fdb\u884c\u590d\u7528\u3002\u4ee5\u4e0b\u662f\u6f14\u793a\u5982\u4f55\u521b\u5efa\u53ef\u91cd\u7528\u7684\u903b\u8f91\u51fd\u6570\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u786e\u5b9a\u901a\u7528\u903b\u8f91\uff1a\u9996\u5148\uff0c\u786e\u5b9a\u4f60\u8981\u5c01\u88c5\u4e3a\u53ef\u91cd\u7528\u51fd\u6570\u7684\u901a\u7528\u903b\u8f91\u3002\u8fd9\u53ef\u80fd\u6d89\u53ca\u4e00\u4e9b\u5e38\u89c1\u7684\u64cd\u4f5c\u3001\u8ba1\u7b97\u3001\u9a8c\u8bc1\u7b49\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u51fd\u6570\uff1a\u5728\u9002\u5f53\u7684\u4f4d\u7f6e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684JavaScript\u51fd\u6570\uff0c\u5e76\u7ed9\u5b83\u4e00\u4e2a\u63cf\u8ff0\u6027\u7684\u540d\u79f0\uff0c\u4ee5\u8868\u660e\u5b83\u6240\u6267\u884c\u7684\u901a\u7528\u903b\u8f91\u3002\u51fd\u6570\u53ef\u4ee5\u662f\u5168\u5c40\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u662f\u5728\u7279\u5b9a\u7684\u6a21\u5757\u6216\u7c7b\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u5b9a\u4e49\u51fd\u6570\u7684\u53c2\u6570\uff1a\u786e\u5b9a\u51fd\u6570\u9700\u8981\u63a5\u6536\u54ea\u4e9b\u53c2\u6570\u4ee5\u4fbf\u8fdb\u884c\u903b\u8f91\u5904\u7406\u3002\u53c2\u6570\u53ef\u4ee5\u662f\u57fa\u672c\u7c7b\u578b\u3001\u5bf9\u8c61\u3001\u51fd\u6570\u7b49\uff0c\u6839\u636e\u4f60\u7684\u9700\u8981\u8fdb\u884c\u5b9a\u4e49\u3002\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u63d0\u4f9b\u51fd\u6570\u6267\u884c\u6240\u9700\u7684\u4e0a\u4e0b\u6587\u548c\u8f93\u5165\u3002<\/li>\n\n\n\n<li>\u7f16\u5199\u903b\u8f91\u4ee3\u7801\uff1a\u5728\u51fd\u6570\u7684\u5185\u90e8\uff0c\u7f16\u5199\u6267\u884c\u901a\u7528\u903b\u8f91\u7684\u4ee3\u7801\u3002\u8fd9\u5305\u62ec\u4efb\u4f55\u64cd\u4f5c\u3001\u8ba1\u7b97\u6216\u9a8c\u8bc1\u7b49\u6b65\u9aa4\u3002\u786e\u4fdd\u4f60\u7684\u4ee3\u7801\u662f\u53ef\u8bfb\u7684\u3001\u53ef\u7ef4\u62a4\u7684\uff0c\u5e76\u6309\u7167\u6700\u4f73\u5b9e\u8df5\u8fdb\u884c\u7f16\u5199\u3002<\/li>\n\n\n\n<li>\u8fd4\u56de\u7ed3\u679c\uff1a\u6839\u636e\u901a\u7528\u903b\u8f91\u7684\u9700\u6c42\uff0c\u786e\u5b9a\u51fd\u6570\u5e94\u8be5\u8fd4\u56de\u4ec0\u4e48\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u662f\u4e00\u4e2a\u503c\u3001\u4e00\u4e2a\u5bf9\u8c61\u3001\u4e00\u4e2a\u5e03\u5c14\u503c\u7b49\uff0c\u53d6\u51b3\u4e8e\u903b\u8f91\u7684\u76ee\u6807\u548c\u9700\u8981\u3002<\/li>\n\n\n\n<li>\u6d4b\u8bd5\u548c\u9a8c\u8bc1\uff1a\u4e3a\u4e86\u786e\u4fdd\u51fd\u6570\u7684\u6b63\u786e\u6027\u548c\u53ef\u9760\u6027\uff0c\u7f16\u5199\u76f8\u5e94\u7684\u5355\u5143\u6d4b\u8bd5\u7528\u4f8b\uff0c\u5e76\u5bf9\u51fd\u6570\u8fdb\u884c\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u51fd\u6570\u5728\u4e0d\u540c\u7684\u8f93\u5165\u6761\u4ef6\u4e0b\u90fd\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u51fd\u6570\uff1a\u901a\u8fc7\u5728\u9700\u8981\u7684\u5730\u65b9\u5bfc\u5165\u51fd\u6570\uff0c\u5e76\u4f20\u9012\u9002\u5f53\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u5728\u5176\u4ed6\u4ee3\u7801\u4e2d\u4f7f\u7528\u51fd\u6570\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06\u901a\u7528\u903b\u8f91\u5c01\u88c5\u5728\u51fd\u6570\u4e2d\uff0c\u907f\u514d\u5728\u591a\u4e2a\u5730\u65b9\u91cd\u590d\u7f16\u5199\u76f8\u540c\u7684\u4ee3\u7801\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u53ef\u91cd\u7528\u7684\u903b\u8f91\u51fd\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u901a\u7528\u903b\u8f91\uff1a\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\nfunction calculateSum(a, b) {\n  return a + b;\n}\n\n\/\/ \u4f7f\u7528\u51fd\u6570\nconst result = calculateSum(5, 3);\nconsole.log(result); \/\/ \u8f93\u51fa 8\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>calculateSum<\/code>\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\u3002\u901a\u8fc7\u4f20\u9012\u4e0d\u540c\u7684\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u9700\u8981\u7684\u5730\u65b9\u91cd\u590d\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u5e76\u83b7\u5f97\u6b63\u786e\u7684\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u6309\u7167\u8fd9\u4e9b\u6b65\u9aa4\u521b\u5efa\u53ef\u91cd\u7528\u7684\u903b\u8f91\u51fd\u6570\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u591a\u4e2a\u5730\u65b9\u91cd\u590d\u7f16\u5199\u76f8\u540c\u7684\u4ee3\u7801\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u5e76\u786e\u4fdd\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5728\u4e0d\u540c\u7ec4\u4ef6\u4e2d\u91cd\u7528\u903b\u8f91\u51fd\u6570ChatGPT<\/p>\n\n\n\n<p>\u5728\u4e0d\u540c\u7ec4\u4ef6\u4e2d\u91cd\u7528\u903b\u8f91\u51fd\u6570\u662f\u901a\u8fc7\u5c06\u901a\u7528\u7684\u903b\u8f91\u4ee3\u7801\u5c01\u88c5\u4e3a\u51fd\u6570\uff0c\u5e76\u5728\u9700\u8981\u7684\u7ec4\u4ef6\u4e2d\u5bfc\u5165\u548c\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u6765\u5b9e\u73b0\u7684\u3002\u4e0b\u9762\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u6765\u5728\u4e0d\u540c\u7ec4\u4ef6\u4e2d\u91cd\u7528\u903b\u8f91\u51fd\u6570\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa\u903b\u8f91\u51fd\u6570\uff1a\u9996\u5148\uff0c\u5c06\u901a\u7528\u7684\u903b\u8f91\u4ee3\u7801\u5c01\u88c5\u4e3a\u4e00\u4e2a\u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u6a21\u5757\u6216\u6587\u4ef6\uff0c\u6216\u8005\u662f\u4e00\u4e2a\u5728\u7279\u5b9a\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u3002\u786e\u4fdd\u903b\u8f91\u51fd\u6570\u7684\u547d\u540d\u5177\u6709\u63cf\u8ff0\u6027\uff0c\u5e76\u80fd\u6e05\u6670\u5730\u8868\u8fbe\u5176\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u5bfc\u5165\u903b\u8f91\u51fd\u6570\uff1a\u5728\u9700\u8981\u4f7f\u7528\u903b\u8f91\u51fd\u6570\u7684\u7ec4\u4ef6\u4e2d\uff0c\u901a\u8fc7\u5bfc\u5165\u903b\u8f91\u51fd\u6570\u7684\u65b9\u5f0f\u5c06\u5176\u5f15\u5165\u3002\u5728\u7ec4\u4ef6\u6587\u4ef6\u7684\u9876\u90e8\u4f7f\u7528<code>import<\/code>\u8bed\u53e5\u5bfc\u5165\u903b\u8f91\u51fd\u6570\u3002\u786e\u4fdd\u63d0\u4f9b\u903b\u8f91\u51fd\u6570\u6b63\u786e\u7684\u8def\u5f84\u548c\u540d\u79f0\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u903b\u8f91\u51fd\u6570\uff1a\u5728\u7ec4\u4ef6\u7684<code>setup<\/code>\u51fd\u6570\u4e2d\uff0c\u8c03\u7528\u5bfc\u5165\u7684\u903b\u8f91\u51fd\u6570\u5e76\u5c06\u5176\u7ed3\u679c\u4fdd\u5b58\u5230\u4e00\u4e2a\u53d8\u91cf\u4e2d\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u903b\u8f91\u51fd\u6570\u63d0\u4f9b\u7684\u529f\u80fd\u3002\u5728\u6a21\u677f\u3001\u8ba1\u7b97\u5c5e\u6027\u3001\u65b9\u6cd5\u7b49\u5730\u65b9\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u4f20\u9012\u53c2\u6570\uff1a\u6839\u636e\u903b\u8f91\u51fd\u6570\u7684\u9700\u6c42\uff0c\u786e\u5b9a\u662f\u5426\u9700\u8981\u4f20\u9012\u53c2\u6570\u7ed9\u903b\u8f91\u51fd\u6570\u3002\u53c2\u6570\u53ef\u4ee5\u662f\u7ec4\u4ef6\u4e2d\u7684\u6570\u636e\u3001props\u3001\u4e8b\u4ef6\u7b49\u3002\u786e\u4fdd\u5728\u8c03\u7528\u903b\u8f91\u51fd\u6570\u65f6\u4f20\u9012\u6b63\u786e\u7684\u53c2\u6570\uff0c\u4ee5\u4fbf\u51fd\u6570\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5728\u4e0d\u540c\u7ec4\u4ef6\u4e2d\u91cd\u7528\u903b\u8f91\u51fd\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>\/\/ \u903b\u8f91\u51fd\u6570\uff1a\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\nexport function calculateSum(a, b) {\n  return a + b;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5728\u7ec4\u4ef6A\u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { calculateSum } from '@\/path\/to\/logicFunctions';\n\nexport default {\n  setup() {\n    const result = calculateSum(5, 3);\n    \/\/ \u4f7f\u7528\u903b\u8f91\u51fd\u6570\u7684\u7ed3\u679c\u8fdb\u884c\u64cd\u4f5c\n    \/\/ ...\n  },\n};\n<\/code><\/pre>\n\n\n\n<p>\u5728\u7ec4\u4ef6B\u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javascriptCopy code<code>import { calculateSum } from '@\/path\/to\/logicFunctions';\n\nexport default {\n  setup() {\n    const result = calculateSum(10, 7);\n    \/\/ \u4f7f\u7528\u903b\u8f91\u51fd\u6570\u7684\u7ed3\u679c\u8fdb\u884c\u64cd\u4f5c\n    \/\/ ...\n  },\n};\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>calculateSum<\/code>\u7684\u903b\u8f91\u51fd\u6570\uff0c\u5e76\u5c06\u5176\u5bfc\u51fa\u4f9b\u5176\u4ed6\u7ec4\u4ef6\u4f7f\u7528\u3002\u5728\u7ec4\u4ef6A\u548c\u7ec4\u4ef6B\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u5bfc\u5165\u5e76\u4f7f\u7528\u4e86\u8fd9\u4e2a\u903b\u8f91\u51fd\u6570\uff0c\u4f20\u9012\u4e0d\u540c\u7684\u53c2\u6570\uff0c\u5e76\u4f7f\u7528\u51fd\u6570\u7684\u8fd4\u56de\u503c\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u6837\u7684\u65b9\u5f0f\uff0c\u5728\u4e0d\u540c\u7684\u7ec4\u4ef6\u4e2d\u91cd\u7528\u903b\u8f91\u51fd\u6570\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u6bcf\u4e2a\u7ec4\u4ef6\u4e2d\u91cd\u590d\u7f16\u5199\u76f8\u540c\u7684\u903b\u8f91\u4ee3\u7801\u3002\u8fd9\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u590d\u7528\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u5e76\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002\u540c\u65f6\uff0c\u903b\u8f91\u51fd\u6570\u7684\u72ec\u7acb\u6027\u4f7f\u5f97\u5b83\u4eec\u66f4\u5bb9\u6613\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\uff0c\u4fdd\u8bc1\u5176\u529f\u80fd\u548c\u884c\u4e3a\u7684\u6b63\u786e\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4ecb\u7ecd\u7ec4\u4ef6\u95f4\u901a\u4fe1\u7684\u51e0\u79cd\u65b9\u5f0fChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js\u4e2d\uff0c\u7ec4\u4ef6\u95f4\u901a\u4fe1\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5b83\u5141\u8bb8\u4e0d\u540c\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u3001\u4f20\u9012\u4fe1\u606f\u548c\u534f\u8c03\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u7ec4\u4ef6\u95f4\u901a\u4fe1\u65b9\u5f0f\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Props\u548cEvents\uff08\u7236\u5b50\u7ec4\u4ef6\u901a\u4fe1\uff09\uff1a\u5728\u7236\u7ec4\u4ef6\u4e2d\u901a\u8fc7props\u5411\u5b50\u7ec4\u4ef6\u4f20\u9012\u6570\u636e\uff0c\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7props\u63a5\u6536\u5e76\u4f7f\u7528\u8fd9\u4e9b\u6570\u636e\u3002\u7236\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7v-on\u6307\u4ee4\u76d1\u542c\u5b50\u7ec4\u4ef6\u7684\u4e8b\u4ef6\u5e76\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7236\u5b50\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5355\u5411\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff08\u5b50\u7ec4\u4ef6\u5411\u7236\u7ec4\u4ef6\u901a\u4fe1\uff09\uff1a\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7$emit\u65b9\u6cd5\u89e6\u53d1\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u5c06\u9700\u8981\u4f20\u9012\u7684\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u7236\u7ec4\u4ef6\u3002\u7236\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7v-on\u6307\u4ee4\u76d1\u542c\u5b50\u7ec4\u4ef6\u7684\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u5b50\u7ec4\u4ef6\u5411\u7236\u7ec4\u4ef6\u4f20\u9012\u6570\u636e\u6216\u89e6\u53d1\u7236\u7ec4\u4ef6\u7684\u7279\u5b9a\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>EventBus\uff08\u975e\u7236\u5b50\u7ec4\u4ef6\u901a\u4fe1\uff09\uff1aEventBus\u662f\u4e00\u4e2a\u4e2d\u592e\u4e8b\u4ef6\u603b\u7ebf\uff0c\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u7684Vue\u5b9e\u4f8b\u4f5c\u4e3a\u4e8b\u4ef6\u4e2d\u5fc3\uff0c\u4e0d\u540c\u7684\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7\u4e8b\u4ef6\u7684\u53d1\u5e03\u548c\u8ba2\u9605\u6765\u8fdb\u884c\u901a\u4fe1\u3002\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7$emit\u65b9\u6cd5\u53d1\u5e03\u4e8b\u4ef6\uff0c\u800c\u5176\u4ed6\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7$on\u65b9\u6cd5\u8ba2\u9605\u4e8b\u4ef6\u5e76\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002EventBus\u53ef\u4ee5\u5728\u5e94\u7528\u7684\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7ba1\u7406\u597d\u4e8b\u4ef6\u7684\u547d\u540d\u548c\u9500\u6bc1\u3002<\/li>\n\n\n\n<li>Vuex\uff08\u5168\u5c40\u72b6\u6001\u7ba1\u7406\uff09\uff1aVuex\u662fVue.js\u5b98\u65b9\u63d0\u4f9b\u7684\u72b6\u6001\u7ba1\u7406\u5e93\uff0c\u7528\u4e8e\u7ba1\u7406\u5e94\u7528\u7684\u5168\u5c40\u72b6\u6001\u3002\u901a\u8fc7\u5b9a\u4e49\u72b6\u6001\u548c\u64cd\u4f5c\u51fd\u6570\uff0c\u5728\u4e0d\u540c\u7ec4\u4ef6\u4e2d\u8bbf\u95ee\u548c\u66f4\u65b0\u5171\u4eab\u72b6\u6001\u3002\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7dispatch\u65b9\u6cd5\u89e6\u53d1\u64cd\u4f5c\u51fd\u6570\uff0c\u64cd\u4f5c\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7commit\u65b9\u6cd5\u66f4\u65b0\u72b6\u6001\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5728\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u548c\u540c\u6b65\u72b6\u6001\u7684\u590d\u6742\u5e94\u7528\u3002<\/li>\n\n\n\n<li>Provide\u548cInject\uff08\u7956\u5148\u5411\u540e\u4ee3\u7ec4\u4ef6\u901a\u4fe1\uff09\uff1a\u7956\u5148\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7provide\u9009\u9879\u63d0\u4f9b\u6570\u636e\uff0c\u7136\u540e\u5728\u540e\u4ee3\u7ec4\u4ef6\u4e2d\u4f7f\u7528inject\u9009\u9879\u6ce8\u5165\u8fd9\u4e9b\u6570\u636e\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6570\u636e\u53ef\u4ee5\u5728\u6574\u4e2a\u7ec4\u4ef6\u6811\u4e2d\u4f20\u9012\u7ed9\u540e\u4ee3\u7ec4\u4ef6\uff0c\u65e0\u8bba\u5c42\u7ea7\u6709\u591a\u6df1\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7956\u5148\u7ec4\u4ef6\u5411\u540e\u4ee3\u7ec4\u4ef6\u63d0\u4f9b\u6570\u636e\u6216\u529f\u80fd\u3002<\/li>\n\n\n\n<li>$refs\uff08\u901a\u8fc7\u5f15\u7528\u76f4\u63a5\u8bbf\u95ee\u5b50\u7ec4\u4ef6\uff09\uff1a\u5728\u7ec4\u4ef6\u4e2d\u53ef\u4ee5\u4f7f\u7528ref\u5c5e\u6027\u7ed9\u5b50\u7ec4\u4ef6\u6dfb\u52a0\u5f15\u7528\u3002\u901a\u8fc7$refs\u5bf9\u8c61\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5b50\u7ec4\u4ef6\u5b9e\u4f8b\uff0c\u5e76\u8c03\u7528\u5b50\u7ec4\u4ef6\u7684\u65b9\u6cd5\u6216\u8bbf\u95ee\u5b50\u7ec4\u4ef6\u7684\u5c5e\u6027\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u5728\u7236\u7ec4\u4ef6\u4e2d\u76f4\u63a5\u64cd\u4f5c\u7279\u5b9a\u5b50\u7ec4\u4ef6\u7684\u60c5\u51b5\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u6839\u636e\u5e94\u7528\u7684\u9700\u6c42\u548c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u9009\u62e9\u9002\u5408\u7684\u7ec4\u4ef6\u95f4\u901a\u4fe1\u65b9\u5f0f\u975e\u5e38\u91cd\u8981\u3002\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u901a\u4fe1\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u7ef4\u62a4\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6f14\u793a\u5982\u4f55\u5728Composition API\u4e2d\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u901a\u4fe1ChatGPT<\/p>\n\n\n\n<p>\u5728Vue.js 3\u7684Composition API\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6280\u672f\u6765\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u7684\u901a\u4fe1\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u6f14\u793a\u5982\u4f55\u5728Composition API\u4e2d\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u901a\u4fe1\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Props\u548cEvents\uff08\u7236\u5b50\u7ec4\u4ef6\u901a\u4fe1\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7236\u7ec4\u4ef6\u901a\u8fc7props\u5411\u5b50\u7ec4\u4ef6\u4f20\u9012\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u5b50\u7ec4\u4ef6\u4f7f\u7528<code>props<\/code>\u9009\u9879\u6765\u58f0\u660e\u63a5\u6536\u7684\u5c5e\u6027\u3002<\/li>\n\n\n\n<li>\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7<code>$emit<\/code>\u65b9\u6cd5\u89e6\u53d1\u4e8b\u4ef6\uff0c\u7236\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7<code>v-on<\/code>\u6307\u4ee4\u76d1\u542c\u4e8b\u4ef6\u5e76\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\u4ee3\u7801\uff1ajavascriptCopy code<code>\/\/ \u7236\u7ec4\u4ef6 &lt;template&gt; &lt;child-component :message=\"parentMessage\" @custom-event=\"handleEvent\"&gt;&lt;\/child-component&gt; &lt;\/template&gt; &lt;script&gt; import ChildComponent from '@\/components\/ChildComponent.vue'; export default { components: { ChildComponent, }, data() { return { parentMessage: 'Hello from parent', }; }, methods: { handleEvent(payload) { \/\/ \u5904\u7406\u5b50\u7ec4\u4ef6\u89e6\u53d1\u7684\u4e8b\u4ef6 }, }, }; &lt;\/script&gt; \/\/ \u5b50\u7ec4\u4ef6 &lt;template&gt; &lt;div&gt; &lt;p&gt;{{ message }}&lt;\/p&gt; &lt;button @click=\"$emit('custom-event', 'Data from child')\"&gt;Trigger Event&lt;\/button&gt; &lt;\/div&gt; &lt;\/template&gt; &lt;script&gt; export default { props: { message: String, }, }; &lt;\/script&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Provide\u548cInject\uff08\u7956\u5148\u5411\u540e\u4ee3\u7ec4\u4ef6\u901a\u4fe1\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7956\u5148\u7ec4\u4ef6\u901a\u8fc7<code>provide<\/code>\u9009\u9879\u63d0\u4f9b\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u540e\u4ee3\u7ec4\u4ef6\u4f7f\u7528<code>inject<\/code>\u9009\u9879\u6ce8\u5165\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\u4ee3\u7801\uff1ajavascriptCopy code<code>\/\/ \u7956\u5148\u7ec4\u4ef6 &lt;template&gt; &lt;child-component&gt;&lt;\/child-component&gt; &lt;\/template&gt; &lt;script&gt; import { provide } from 'vue'; export default { setup() { const sharedData = 'Shared data from ancestor'; provide('sharedData', sharedData); }, }; &lt;\/script&gt; \/\/ \u540e\u4ee3\u7ec4\u4ef6 &lt;template&gt; &lt;div&gt; &lt;p&gt;{{ injectedData }}&lt;\/p&gt; &lt;\/div&gt; &lt;\/template&gt; &lt;script&gt; import { inject } from 'vue'; export default { setup() { const injectedData = inject('sharedData'); return { injectedData, }; }, }; &lt;\/script&gt;<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>EventBus\uff1a\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2a\u4e8b\u4ef6\u603b\u7ebf\u5b9e\u4f8b\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2aVue\u5b9e\u4f8b\u3002<\/li>\n\n\n\n<li>\u5728\u9700\u8981\u901a\u4fe1\u7684\u7ec4\u4ef6\u4e2d\u4f7f\u7528<code>$on<\/code>\u65b9\u6cd5\u8ba2\u9605\u4e8b\u4ef6\uff0c\u4f7f\u7528<code>$emit<\/code>\u65b9\u6cd5\u89e6\u53d1\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\u4ee3\u7801\uff1ajavascriptCopy code<code>\/\/ Event Bus import { createApp } from 'vue'; const app = createApp({}); const eventBus = app.config.globalProperties.$eventBus = app.config.globalProperties.$eventBus || app; export default eventBus; <\/code>javascriptCopy code<code>\/\/ \u53d1\u5e03\u4e8b\u4ef6 import eventBus from '@\/path\/to\/eventBus'; eventBus.$emit('custom-event', payload); <\/code>javascriptCopy code<code>\/\/ \u8ba2\u9605\u4e8b\u4ef6 import eventBus from '@\/path\/to\/eventBus'; eventBus.$on('<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<p>&#8216;custom-event&#8217;, payload =&gt; { \/\/ \u5904\u7406\u4e8b\u4ef6 }); &#8220;`<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>Vuex\uff08\u5168\u5c40\u72b6\u6001\u7ba1\u7406\uff09\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728<code>store<\/code>\u6587\u4ef6\u4e2d\u5b9a\u4e49\u5171\u4eab\u7684\u72b6\u6001\u548c\u64cd\u4f5c\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528<code>useStore<\/code>\u51fd\u6570\u6765\u8bbf\u95ee<code>store<\/code>\u5b9e\u4f8b\uff0c\u5e76\u4f7f\u7528<code>store<\/code>\u63d0\u4f9b\u7684\u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u66f4\u65b0\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\u4ee3\u7801\uff1ajavascriptCopy code<code>\/\/ store.js import { createStore } from 'vuex'; const store = createStore({ state: { message: 'Shared message', }, mutations: { updateMessage(state, payload) { state.message = payload; }, }, }); export default store; <\/code>javascriptCopy code<code>\/\/ \u7ec4\u4ef6\u4e2d\u4f7f\u7528 import { useStore } from 'vuex'; export default { setup() { const store = useStore(); const message = store.state.message; store.commit('updateMessage', 'New message'); }, };<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0a\u662f\u5728Vue.js 3\u7684Composition API\u4e2d\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u901a\u4fe1\u7684\u51e0\u79cd\u65b9\u5f0f\u3002\u6839\u636e\u5e94\u7528\u7684\u9700\u6c42\u548c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u65b9\u5f0f\u6765\u5b9e\u73b0\u7ec4\u4ef6\u95f4\u7684\u6570\u636e\u5171\u4eab\u3001\u6d88\u606f\u4f20\u9012\u548c\u534f\u8c03\u64cd\u4f5c\u3002\u8fd9\u4e9b\u65b9\u5f0f\u63d0\u4f9b\u4e86\u7075\u6d3b\u548c\u5f3a\u5927\u7684\u5de5\u5177\u6765\u5b9e\u73b0\u4e0d\u540c\u5c42\u7ea7\u548c\u5173\u7cfb\u7684\u7ec4\u4ef6\u95f4\u901a\u4fe1\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u521b\u5efa\u4e00\u4e2a\u8f83\u590d\u6742\u7684\u793a\u4f8b\u9879\u76ee\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Composition API\u89e3\u51b3\u5b9e\u9645\u95ee\u9898ChatGPT<\/p>\n\n\n\n<p>\u5f53\u4f7f\u7528Composition API\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u65f6\uff0c\u4e00\u4e2a\u590d\u6742\u793a\u4f8b\u9879\u76ee\u53ef\u4ee5\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5f85\u529e\u4e8b\u9879\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u8fd9\u4e2a\u793a\u4f8b\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Composition API\u6765\u7ba1\u7406\u5f85\u529e\u4e8b\u9879\u5217\u8868\uff0c\u5e76\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u4e0d\u540c\u7684Composition API\u51fd\u6570\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u521b\u5efa\u4e00\u4e2a\u5f85\u529e\u4e8b\u9879\u5e94\u7528\u7a0b\u5e8f\u7684\u793a\u4f8b\u9879\u76ee\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u521b\u5efa\u9879\u76ee\u7ed3\u6784\uff1a\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2aVue.js\u9879\u76ee\uff0c\u53ef\u4ee5\u4f7f\u7528Vue CLI\u6216\u624b\u52a8\u521b\u5efa\u3002<\/li>\n\n\n\n<li>\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7ec4\u4ef6\u6587\u4ef6\u5939\uff0c\u7528\u4e8e\u5b58\u653e\u7ec4\u4ef6\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u6587\u4ef6\u5939\uff0c\u7528\u4e8e\u5b58\u653e\u6570\u636e\u548c\u903b\u8f91\u76f8\u5173\u7684\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u521b\u5efa\u7ec4\u4ef6\uff1a\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2a<code>TodoList<\/code>\u7ec4\u4ef6\uff0c\u7528\u4e8e\u663e\u793a\u5f85\u529e\u4e8b\u9879\u5217\u8868\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u4e00\u4e2a<code>TodoItem<\/code>\u7ec4\u4ef6\uff0c\u7528\u4e8e\u5c55\u793a\u5355\u4e2a\u5f85\u529e\u4e8b\u9879\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u4e00\u4e2a<code>AddTodo<\/code>\u7ec4\u4ef6\uff0c\u7528\u4e8e\u6dfb\u52a0\u65b0\u7684\u5f85\u529e\u4e8b\u9879\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u7ba1\u7406\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728\u6570\u636e\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a<code>todos.js<\/code>\u6587\u4ef6\uff0c\u7528\u4e8e\u5b58\u653e\u5f85\u529e\u4e8b\u9879\u7684\u6570\u636e\u548c\u76f8\u5173\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>reactive<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u54cd\u5e94\u5f0f\u7684<code>todos<\/code>\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u5f85\u529e\u4e8b\u9879\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>ref<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u5f15\u7528\u7c7b\u578b\u7684<code>newTodo<\/code>\u53d8\u91cf\uff0c\u7528\u4e8e\u5b58\u50a8\u65b0\u7684\u5f85\u529e\u4e8b\u9879\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u903b\u8f91\u5904\u7406\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728<code>todos.js<\/code>\u6587\u4ef6\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a<code>addTodo<\/code>\u51fd\u6570\uff0c\u7528\u4e8e\u5c06\u65b0\u7684\u5f85\u529e\u4e8b\u9879\u6dfb\u52a0\u5230<code>todos<\/code>\u6570\u7ec4\u4e2d\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>computed<\/code>\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u8ba1\u7b97\u5c5e\u6027<code>completedTodos<\/code>\uff0c\u7528\u4e8e\u7b5b\u9009\u5df2\u5b8c\u6210\u7684\u5f85\u529e\u4e8b\u9879\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u4e00\u4e2a<code>toggleTodo<\/code>\u51fd\u6570\uff0c\u7528\u4e8e\u5207\u6362\u5f85\u529e\u4e8b\u9879\u7684\u5b8c\u6210\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528Composition API\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728<code>TodoList<\/code>\u7ec4\u4ef6\u4e2d\u4f7f\u7528<code>setup<\/code>\u51fd\u6570\uff0c\u5bfc\u5165<code>todos<\/code>\u548c<code>completedTodos<\/code>\u3002<\/li>\n\n\n\n<li>\u5728<code>TodoList<\/code>\u7ec4\u4ef6\u4e2d\u904d\u5386<code>todos<\/code>\u6570\u7ec4\uff0c\u6e32\u67d3<code>TodoItem<\/code>\u7ec4\u4ef6\uff0c\u5e76\u4f20\u9012\u76f8\u5e94\u7684\u5c5e\u6027\u548c\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u5728<code>AddTodo<\/code>\u7ec4\u4ef6\u4e2d\u4f7f\u7528<code>setup<\/code>\u51fd\u6570\uff0c\u5bfc\u5165<code>newTodo<\/code>\u548c<code>addTodo<\/code>\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528<code>v-model<\/code>\u6307\u4ee4\u7ed1\u5b9a\u8f93\u5165\u6846\u7684\u503c\u5230<code>newTodo<\/code>\uff0c\u5e76\u5728\u6309\u94ae\u70b9\u51fb\u65f6\u8c03\u7528<code>addTodo<\/code>\u51fd\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5728\u5404\u4e2a\u7ec4\u4ef6\u4e2d\u5f15\u5165\u5e76\u4f7f\u7528\u6240\u9700\u7684Composition API\u51fd\u6570\uff0c\u5982<code>reactive<\/code>\u3001<code>ref<\/code>\u3001<code>computed<\/code>\u7b49\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u4e2a\u793a\u4f8b\u9879\u76ee\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Composition API\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002\u4f7f\u7528Composition API\u53ef\u4ee5\u66f4\u597d\u5730\u7ec4\u7ec7\u4ee3\u7801\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\u3002\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u7684Composition API\u51fd\u6570\u6765\u7ba1\u7406\u5f85\u529e\u4e8b\u9879\u7684\u6570\u636e\u3001\u903b\u8f91\u548c\u72b6\u6001\uff0c\u5e76\u5728\u5404\u4e2a\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u6765\u5b9e\u73b0\u7ec4\u4ef6\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u4ea4\u4e92\u3002<\/p>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u4e0a\u8ff0\u793a\u4f8b\u9879\u76ee\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u80fd\u4f1a\u6d89\u53ca\u66f4\u591a\u7684\u529f\u80fd\u548c\u590d<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<p>\u6742\u6027\u3002\u7136\u800c\uff0c\u901a\u8fc7\u8fd9\u4e2a\u793a\u4f8b\uff0c\u4f60\u53ef\u4ee5\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Composition API\u7684\u57fa\u672c\u6982\u5ff5\u548c\u51fd\u6570\u6765\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u4e0a\u8ff0\u793a\u4f8b\uff0c\u4f7f\u7528Composition API\u8fd8\u53ef\u4ee5\u89e3\u51b3\u8bb8\u591a\u5176\u4ed6\u5b9e\u9645\u95ee\u9898\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8868\u5355\u9a8c\u8bc1\uff1a\u4f7f\u7528Composition API\u4e2d\u7684<code>ref<\/code>\u548c<code>watch<\/code>\u51fd\u6570\u6765\u5b9e\u65f6\u9a8c\u8bc1\u8868\u5355\u8f93\u5165\uff0c\u5e76\u663e\u793a\u9519\u8bef\u6d88\u606f\u3002<\/li>\n\n\n\n<li>\u5f02\u6b65\u8bf7\u6c42\uff1a\u4f7f\u7528Composition API\u4e2d\u7684<code>ref<\/code>\u548c<code>reactive<\/code>\u51fd\u6570\u7ba1\u7406\u5f02\u6b65\u8bf7\u6c42\u7684\u72b6\u6001\u548c\u6570\u636e\uff0c\u5e76\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u6765\u76d1\u89c6\u6570\u636e\u7684\u53d8\u5316\u3002<\/li>\n\n\n\n<li>\u8def\u7531\u7ba1\u7406\uff1a\u4f7f\u7528Composition API\u4e2d\u7684<code>ref<\/code>\u548c<code>reactive<\/code>\u51fd\u6570\u6765\u7ba1\u7406\u8def\u7531\u72b6\u6001\uff0c\u5e76\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u76d1\u542c\u8def\u7531\u53d8\u5316\u3002<\/li>\n\n\n\n<li>\u5168\u5c40\u72b6\u6001\u7ba1\u7406\uff1a\u4f7f\u7528Composition API\u4e2d\u7684<code>reactive<\/code>\u548c<code>provide<\/code>\/<code>inject<\/code>\u51fd\u6570\u6765\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u5168\u5c40\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u5c5e\u6027\uff1a\u4f7f\u7528Composition API\u4e2d\u7684<code>computed<\/code>\u51fd\u6570\u521b\u5efa\u8ba1\u7b97\u5c5e\u6027\uff0c\u6839\u636e\u5176\u4ed6\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u53d8\u5316\u81ea\u52a8\u66f4\u65b0\u8ba1\u7b97\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u52a8\u753b\u6548\u679c\uff1a\u4f7f\u7528Composition API\u4e2d\u7684<code>ref<\/code>\u548c<code>watch<\/code>\u51fd\u6570\u76d1\u542c\u6570\u636e\u7684\u53d8\u5316\uff0c\u5e76\u4f7f\u7528Vue\u7684\u8fc7\u6e21\u548c\u52a8\u753b\u7279\u6027\u5b9e\u73b0\u5404\u79cd\u52a8\u753b\u6548\u679c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cComposition API\u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\u96c6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7ec4\u7ec7\u3001\u7ba1\u7406\u548c\u91cd\u7528\u4ee3\u7801\uff0c\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002\u901a\u8fc7\u5408\u7406\u8fd0\u7528Composition API\u7684\u5404\u79cd\u51fd\u6570\u548c\u6982\u5ff5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\uff0c\u540c\u65f6\u63d0\u5347\u5f00\u53d1\u6548\u7387\u548c\u5e94\u7528\u6027\u80fd\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u63d0\u4f9b\u4e00\u4e9b\u4f7f\u7528Composition API\u7684\u6700\u4f73\u5b9e\u8df5ChatGPT<\/p>\n\n\n\n<p>\u4f7f\u7528Composition API\u65f6\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u548c\u5efa\u8bae\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u5229\u7528\u8be5\u529f\u80fd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7ec4\u7ec7\u4ee3\u7801\u903b\u8f91\uff1a\u6839\u636e\u529f\u80fd\u548c\u8d23\u4efb\uff0c\u5c06\u76f8\u5173\u7684\u903b\u8f91\u4ee3\u7801\u7ec4\u7ec7\u5728\u4e00\u8d77\u3002\u53ef\u4ee5\u6839\u636e\u529f\u80fd\u6a21\u5757\u6216\u4e1a\u52a1\u903b\u8f91\u5c06\u4ee3\u7801\u62c6\u5206\u6210\u591a\u4e2a\u903b\u8f91\u51fd\u6570\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n\n\n\n<li>\u5355\u4e00\u804c\u8d23\u539f\u5219\uff1a\u5c06\u6bcf\u4e2a\u903b\u8f91\u51fd\u6570\u9650\u5236\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u529f\u80fd\u8303\u56f4\u5185\uff0c\u5e76\u786e\u4fdd\u5176\u53ea\u5173\u6ce8\u81ea\u5df1\u7684\u804c\u8d23\u3002\u8fd9\u6709\u52a9\u4e8e\u4ee3\u7801\u89e3\u8026\u548c\u5355\u5143\u6d4b\u8bd5\uff0c\u5e76\u4f7f\u903b\u8f91\u51fd\u6570\u66f4\u5177\u590d\u7528\u6027\u3002<\/li>\n\n\n\n<li>\u54cd\u5e94\u5f0f\u6570\u636e\u7684\u5408\u7406\u4f7f\u7528\uff1a\u4f7f\u7528<code>ref<\/code>\u51fd\u6570\u548c<code>reactive<\/code>\u51fd\u6570\u6765\u58f0\u660e\u54cd\u5e94\u5f0f\u6570\u636e\u3002<code>ref<\/code>\u9002\u7528\u4e8e\u5355\u4e00\u7684\u57fa\u672c\u7c7b\u578b\u6570\u636e\uff0c\u800c<code>reactive<\/code>\u9002\u7528\u4e8e\u5bf9\u8c61\u548c\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u5728\u4f7f\u7528\u54cd\u5e94\u5f0f\u6570\u636e\u65f6\uff0c\u907f\u514d\u76f4\u63a5\u4fee\u6539\u5b83\u4eec\uff0c\u800c\u662f\u4f7f\u7528\u76f8\u5e94\u7684API\uff08\u5982<code>ref.value<\/code>\u6216<code>reactive.value<\/code>\uff09\u8fdb\u884c\u8bbf\u95ee\u548c\u4fee\u6539\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u5c5e\u6027\u548c\u4fa6\u542c\u5668\u7684\u4f7f\u7528\uff1a\u4f7f\u7528<code>computed<\/code>\u51fd\u6570\u521b\u5efa\u8ba1\u7b97\u5c5e\u6027\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u6a21\u677f\u4e2d\u9891\u7e41\u8fdb\u884c\u8ba1\u7b97\u3002\u4f7f\u7528<code>watch<\/code>\u51fd\u6570\u6765\u76d1\u542c\u6570\u636e\u7684\u53d8\u5316\uff0c\u5e76\u5728\u6570\u636e\u53d8\u5316\u65f6\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u91cd\u590d\u8ba1\u7b97\u548c\u903b\u8f91\u5904\u7406\u3002<\/li>\n\n\n\n<li>\u751f\u547d\u5468\u671f\u94a9\u5b50\u7684\u5408\u7406\u4f7f\u7528\uff1a\u5728\u4f7f\u7528Composition API\u65f6\uff0c\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u7684\u547d\u540d\u65b9\u5f0f\u6709\u6240\u53d8\u5316\u3002\u5728\u5408\u9002\u7684\u65f6\u673a\u4f7f\u7528<code>onBeforeMount<\/code>\u3001<code>onMounted<\/code>\u3001<code>onBeforeUpdate<\/code>\u3001<code>onUpdated<\/code>\u3001<code>onBeforeUnmount<\/code>\u548c<code>onUnmounted<\/code>\u7b49\u94a9\u5b50\u51fd\u6570\u6765\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u786e\u4fdd\u5728\u6b63\u786e\u7684\u751f\u547d\u5468\u671f\u9636\u6bb5\u6267\u884c\u5fc5\u8981\u7684\u903b\u8f91\u3002<\/li>\n\n\n\n<li>\u7ec4\u4ef6\u95f4\u901a\u4fe1\u7684\u9009\u62e9\uff1a\u6839\u636e\u7ec4\u4ef6\u95f4\u7684\u5173\u7cfb\u548c\u9700\u6c42\uff0c\u9009\u62e9\u9002\u5f53\u7684\u901a\u4fe1\u65b9\u5f0f\u3002\u5bf9\u4e8e\u7236\u5b50\u7ec4\u4ef6\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f7f\u7528props\u548cevents\u673a\u5236\u3002\u5bf9\u4e8e\u975e\u7236\u5b50\u7ec4\u4ef6\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u53ef\u4ee5\u4f7f\u7528EventBus\u3001provide\/inject\u6216Vuex\u7b49\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u7684\u521b\u5efa\uff1a\u5c06\u4e00\u7ec4\u76f8\u5173\u7684\u903b\u8f91\u5c01\u88c5\u6210\u81ea\u5b9a\u4e49\u7684\u7ec4\u5408\u51fd\u6570\uff0c\u63d0\u4f9b\u66f4\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61\u548c\u590d\u7528\u6027\u3002\u5c06\u5177\u4f53\u7684\u5b9e\u73b0\u7ec6\u8282\u9690\u85cf\u5728\u7ec4\u5408\u51fd\u6570\u4e2d\uff0c\u4f7f\u5176\u5728\u4e0d\u540c\u7684\u7ec4\u4ef6\u4e2d\u90fd\u80fd\u591f\u91cd\u7528\u3002<\/li>\n\n\n\n<li>\u6a21\u5757\u5316\u548c\u590d\u7528\u6027\uff1a\u4f7f\u7528\u6a21\u5757\u5316\u7684\u601d\u60f3\u6765\u7ec4\u7ec7\u4ee3\u7801\uff0c\u5c06\u76f8\u5173\u7684\u903b\u8f91\u548c\u529f\u80fd\u5c01\u88c5\u6210\u72ec\u7acb\u7684\u6a21\u5757\u6216\u7ec4\u4ef6\u3002\u901a\u8fc7\u5408\u7406\u7684\u6a21\u5757\u5212\u5206\u548c\u6a21\u5757\u95f4\u7684\u901a\u4fe1\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n\n\n\n<li>\u5355\u5143\u6d4b\u8bd5\uff1a\u5728\u7f16\u5199\u903b\u8f91\u51fd\u6570\u65f6\uff0c\u7f16\u5199\u76f8\u5e94\u7684\u5355\u5143\u6d4b\u8bd5\u7528\u4f8b\u6765\u9a8c\u8bc1\u5176\u529f\u80fd\u548c\u884c\u4e3a\u7684\u6b63\u786e\u6027\u3002\u4f7f\u7528Vue Test Utils\u7b49\u6d4b\u8bd5\u5de5\u5177\u6765<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eedChatGPT<\/p>\n\n\n\n<p>\u6267\u884c\u5355\u5143\u6d4b\u8bd5\uff0c\u5e76\u786e\u4fdd\u903b\u8f91\u51fd\u6570\u5728\u4e0d\u540c\u60c5\u51b5\u4e0b\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"10\">\n<li>\u6ce8\u91ca\u548c\u6587\u6863\uff1a\u5728\u903b\u8f91\u51fd\u6570\u548c\u7ec4\u4ef6\u4e2d\u6dfb\u52a0\u6e05\u6670\u7684\u6ce8\u91ca\uff0c\u4ee5\u89e3\u91ca\u4ee3\u7801\u7684\u610f\u56fe\u3001\u529f\u80fd\u548c\u7528\u6cd5\u3002\u7f16\u5199\u826f\u597d\u7684\u6587\u6863\uff0c\u8bb0\u5f55\u903b\u8f91\u51fd\u6570\u548c\u7ec4\u4ef6\u7684\u7528\u6cd5\u3001\u53c2\u6570\u3001\u8fd4\u56de\u503c\u7b49\u4fe1\u606f\uff0c\u4ee5\u4fbf\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u7406\u89e3\u548c\u4f7f\u7528\u5b83\u4eec\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528TypeScript\uff1a\u5982\u679c\u53ef\u80fd\u7684\u8bdd\uff0c\u4f7f\u7528TypeScript\u6765\u589e\u52a0\u4ee3\u7801\u7684\u7c7b\u578b\u5b89\u5168\u6027\u548c\u53ef\u8bfb\u6027\u3002\u4e3a\u903b\u8f91\u51fd\u6570\u548c\u7ec4\u4ef6\u6dfb\u52a0\u7c7b\u578b\u6ce8\u89e3\uff0c\u5b9a\u4e49\u8f93\u5165\u548c\u8f93\u51fa\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u4fbf\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6355\u83b7\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/li>\n\n\n\n<li>\u7406\u89e3Composition API\u7684\u4f18\u52bf\uff1aComposition API\u4e3a\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u3001\u53ef\u7ec4\u5408\u548c\u53ef\u590d\u7528\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u4ee3\u7801\u903b\u8f91\u3002\u7406\u89e3\u5176\u4f18\u52bf\uff0c\u5982\u66f4\u76f4\u89c2\u7684\u903b\u8f91\u7ec4\u7ec7\u3001\u66f4\u597d\u7684\u4ee3\u7801\u590d\u7528\u548c\u66f4\u9ad8\u7684\u5f00\u53d1\u6548\u7387\uff0c\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u5e94\u7528Composition API\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e9b\u662f\u4f7f\u7528Composition API\u7684\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u548c\u5efa\u8bae\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u5b9e\u8df5\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528Composition API\u7684\u529f\u80fd\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u8d28\u91cf\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u4ee5\u53ca\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002\u4e0d\u540c\u9879\u76ee\u548c\u573a\u666f\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u8981\u6c42\uff0c\u56e0\u6b64\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u548c\u9002\u5e94\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u89e3\u7b54\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u548c\u7591\u60d1ChatGPT<\/p>\n\n\n\n<p>\u5f53\u7136\uff0c\u8bf7\u95ee\u4f60\u6709\u4ec0\u4e48\u5e38\u89c1\u7684\u95ee\u9898\u6216\u7591\u60d1\uff1f\u6211\u4f1a\u5c3d\u529b\u89e3\u7b54\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"User\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u603b\u7ed3Composition API\u7684\u4e3b\u8981\u7279\u70b9\u548c\u7528\u6cd5ChatGPT<\/p>\n\n\n\n<p>Composition API\u662fVue.js 3\u4e2d\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684API\uff0c\u65e8\u5728\u63d0\u4f9b\u66f4\u7075\u6d3b\u3001\u53ef\u7ec4\u5408\u548c\u53ef\u590d\u7528\u7684\u65b9\u5f0f\u6765\u7ec4\u7ec7\u548c\u7ba1\u7406Vue\u7ec4\u4ef6\u7684\u4ee3\u7801\u903b\u8f91\u3002\u4e0b\u9762\u662fComposition API\u7684\u4e3b\u8981\u7279\u70b9\u548c\u7528\u6cd5\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u66f4\u76f4\u89c2\u7684\u903b\u8f91\u7ec4\u7ec7\uff1aComposition API\u901a\u8fc7\u5c06\u76f8\u5173\u7684\u903b\u8f91\u4ee3\u7801\u7ec4\u7ec7\u5728\u4e00\u8d77\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u76f4\u89c2\u548c\u6613\u4e8e\u7406\u89e3\u3002\u4e0d\u518d\u9700\u8981\u6309\u7167\u751f\u547d\u5468\u671f\u94a9\u5b50\u7684\u987a\u5e8f\u5206\u6563\u7f16\u5199\u4ee3\u7801\uff0c\u800c\u662f\u5c06\u903b\u8f91\u6309\u7167\u529f\u80fd\u6216\u804c\u8d23\u8fdb\u884c\u7ec4\u7ec7\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u8bfb\u6027\u66f4\u9ad8\u3002<\/li>\n\n\n\n<li>\u66f4\u597d\u7684\u4ee3\u7801\u590d\u7528\uff1aComposition API\u901a\u8fc7\u81ea\u5b9a\u4e49\u7ec4\u5408\u51fd\u6570\u7684\u65b9\u5f0f\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u5c42\u6b21\u7684\u62bd\u8c61\u548c\u4ee3\u7801\u590d\u7528\u6027\u3002\u53ef\u4ee5\u5c06\u4e00\u7ec4\u76f8\u5173\u7684\u903b\u8f91\u5c01\u88c5\u6210\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u7ec4\u5408\u51fd\u6570\uff0c\u5e76\u5728\u9700\u8981\u7684\u5730\u65b9\u91cd\u7528\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4ee3\u7801\u7684\u91cd\u590d\u7f16\u5199\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n\n\n\n<li>\u66f4\u9ad8\u7684\u5f00\u53d1\u6548\u7387\uff1aComposition 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