{"id":88161,"date":"2024-04-07T17:24:54","date_gmt":"2024-04-07T09:24:54","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/88161.html"},"modified":"2024-04-07T17:24:57","modified_gmt":"2024-04-07T09:24:57","slug":"vue%e7%9a%84%e6%8c%87%e4%bb%a4%e7%b3%bb%e7%bb%9f%e6%9c%89%e5%93%aa%e4%ba%9b%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/88161.html","title":{"rendered":"Vue\u7684\u6307\u4ee4\u7cfb\u7edf\u6709\u54ea\u4e9b\u7279\u6027"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/02172627\/1ef08817-2403-4ad2-aaf8-0d9e2fa24b38.webp\" alt=\"Vue\u7684\u6307\u4ee4\u7cfb\u7edf\u6709\u54ea\u4e9b\u7279\u6027\" \/><\/p>\n<p><p>Vue\u7684\u6307\u4ee4\u7cfb\u7edf\u5177\u6709\u4ee5\u4e0b\u7279\u6027\uff1a<strong>\u54cd\u5e94\u5f0f\u66f4\u65b0\u3001\u524d\u7aef\u6a21\u677f\u9a71\u52a8\u3001\u7ec6\u7c92\u5ea6DOM\u64cd\u4f5c\u3001\u6307\u4ee4\u53c2\u6570\u4e0e\u4fee\u9970\u7b26\u3001\u81ea\u5b9a\u4e49\u6307\u4ee4<\/strong>\u3002\u6307\u4ee4\u7cfb\u7edf\u7684\u54cd\u5e94\u5f0f\u66f4\u65b0\u7279\u6027\u610f\u5473\u7740\u5f53\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u7ed1\u5b9a\u4e86\u8fd9\u4e9b\u6570\u636e\u7684DOM\u5143\u7d20\u4f1a\u81ea\u52a8\u66f4\u65b0\uff0c\u786e\u4fdd\u4e86\u89c6\u56fe\u4e0e\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002Vue\u5185\u90e8\u901a\u8fc7\u4f9d\u8d56\u6536\u96c6\u548c\u6d3e\u53d1\u66f4\u65b0\u7684\u673a\u5236\uff0c\u4f7f\u5f97\u6bcf\u5f53\u6570\u636e\u53d8\u5316\u65f6\uff0c\u76f8\u5173\u7684DOM\u66f4\u65b0\u64cd\u4f5c\u5c31\u4f1a\u88ab\u6709\u6548\u6267\u884c\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u54cd\u5e94\u5f0f\u66f4\u65b0<\/h3>\n<\/p>\n<p><p>Vue\u7684\u6307\u4ee4\u7cfb\u7edf\u5efa\u7acb\u5728\u5176\u54cd\u5e94\u5f0f\u539f\u7406\u4e4b\u4e0a\u3002\u5f53\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6\uff0cVue\u4f1a\u81ea\u52a8\u66f4\u65b0DOM\u5143\u7d20\u4ee5\u53cd\u6620\u6570\u636e\u7684\u6700\u65b0\u72b6\u6001\u3002\u8fd9\u4e00\u8fc7\u7a0b\u5bf9\u5f00\u53d1\u8005\u6765\u8bf4\u662f\u900f\u660e\u7684\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u64cd\u4f5cDOM\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>v-bind<\/code>\u6307\u4ee4\u7ed1\u5b9a\u5c5e\u6027\u65f6\uff0c\u53ea\u9700\u66f4\u6539\u5bf9\u5e94\u7684\u6570\u636e\uff0c\u7ed1\u5b9a\u7684\u5c5e\u6027\u4fbf\u4f1a\u81ea\u52a8\u66f4\u65b0\u3002<\/p>\n<\/p>\n<p><p>\u54cd\u5e94\u5f0f\u66f4\u65b0\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8eObject.defineProperty\uff08\u5728Vue 3\u4e2d\u4e3aProxy\uff09\uff0cVue\u4f1a\u5728\u7ec4\u4ef6\u521d\u59cb\u5316\u65f6\u904d\u5386data\u9009\u9879\u7684\u6240\u6709\u5c5e\u6027\uff0c\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3agetter\/setter\u5e76\u6536\u96c6\u4f9d\u8d56\u3002\u6bcf\u5f53\u7ec4\u4ef6\u4e2d\u6709\u6307\u4ee4\u6216\u8ba1\u7b97\u5c5e\u6027\u4f9d\u8d56\u67d0\u4e2a\u6570\u636e\u65f6\uff0c\u5b83\u4eec\u5c06\u6210\u4e3a\u8be5\u6570\u636e\u7684\u8ba2\u9605\u8005\u3002\u6570\u636e\u4e00\u65e6\u53d8\u52a8\uff0c\u901a\u77e5\u4f1a\u53d1\u9001\u5230\u6240\u6709\u8ba2\u9605\u8005\uff0c\u89e6\u53d1\u5b83\u4eec\u7684\u91cd\u65b0\u6e32\u67d3\u6216\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u524d\u7aef\u6a21\u677f\u9a71\u52a8<\/h3>\n<\/p>\n<p><p>\u5728Vue\u4e2d\uff0c\u6307\u4ee4\u914d\u5408\u524d\u7aef\u6a21\u677f\u4e00\u8d77\u5de5\u4f5c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u6a21\u677f\u4e2d\u58f0\u660e\u5f0f\u5730\u4f7f\u7528\u6307\u4ee4\u6765\u7ed1\u5b9a\u6570\u636e\u6216\u5904\u7406\u4e8b\u4ef6\u3002\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u5bb9\u6613\u7f16\u5199\u548c\u7406\u89e3\uff0c\u56e0\u4e3a\u6a21\u677f\u76f4\u89c2\u5730\u63cf\u8ff0\u4e86\u89c6\u56fe\u7684\u7ed3\u6784\u3002<code>v-for<\/code>\u548c<code>v-if<\/code>\u6307\u4ee4\u8ba9\u5217\u8868\u6e32\u67d3\u548c\u6761\u4ef6\u6e32\u67d3\u53d8\u5f97\u7b80\u5355\u800c\u5f3a\u5927\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5728\u6a21\u677f\u4e2d\u63a7\u5236DOM\u7ed3\u6784\u7684\u6e32\u67d3\u3002<\/p>\n<\/p>\n<p><p>\u6a21\u677f\u4e2d\u7684\u6307\u4ee4\u5bf9\u5e94\u7740Vue\u5b9e\u4f8b\u7684\u6570\u636e\u548c\u65b9\u6cd5\uff0c\u5f00\u53d1\u8005\u4e0d\u5fc5\u7f16\u5199\u8bb8\u591aJavaScript\u903b\u8f91\u6765\u76f4\u63a5\u64cd\u4f5cDOM\u3002Vue\u7684\u7f16\u8bd1\u5668\u5c06\u6a21\u677f\u7f16\u8bd1\u6210\u865a\u62dfDOM\u6e32\u67d3\u51fd\u6570\uff0c\u5728\u8fd0\u884c\u65f6\u5c06\u865a\u62dfDOM\u6709\u6548\u5730\u6620\u5c04\u5230\u771f\u5b9eDOM\u4e0a\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u7ec6\u7c92\u5ea6DOM\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>Vue\u901a\u8fc7\u7ec6\u7c92\u5ea6\u7684DOM\u64cd\u4f5c\u6307\u4ee4\uff0c\u4f8b\u5982<code>v-show<\/code>\u548c<code>v-if<\/code>\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u66f4\u7cbe\u786e\u5730\u63a7\u5236DOM\u5143\u7d20\u7684\u663e\u793a\u4e0e\u9690\u85cf\u3002\u4e0d\u540c\u4e8e\u7c97\u66b4\u5730\u76f4\u63a5\u64cd\u4f5cDOM\uff0cVue\u7684\u6307\u4ee4\u63d0\u4f9b\u4e86\u66f4\u58f0\u660e\u5f0f\u548c\u53ef\u7ef4\u62a4\u7684\u65b9\u5f0f\u6765\u63a7\u5236DOM\u5143\u7d20\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c<code>v-show<\/code>\u6307\u4ee4\u901a\u8fc7\u7b80\u5355\u5730\u5207\u6362CSS\u7684<code>display<\/code>\u5c5e\u6027\u6765\u63a7\u5236\u5143\u7d20\u7684\u663e\u793a\u72b6\u6001\uff0c\u800c\u4e0e\u4e4b\u5bf9\u5e94\u7684<code>v-if<\/code>\u5219\u66f4\u4e3a\u5f7b\u5e95\uff0c\u76f4\u63a5\u5c06\u5143\u7d20\u6dfb\u52a0\u6216\u79fb\u9664\u4e8eDOM\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u6839\u636e\u4f7f\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u6307\u4ee4\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u63a7\u5236\u89c6\u56fe\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u6307\u4ee4\u53c2\u6570\u4e0e\u4fee\u9970\u7b26<\/h3>\n<\/p>\n<p><p>Vue\u6307\u4ee4\u7cfb\u7edf\u7684\u6269\u5c55\u6027\u5728\u4e8e\u5b83\u652f\u6301\u6307\u4ee4\u53c2\u6570\u548c\u4fee\u9970\u7b26\u3002\u8fd9\u4f7f\u5f97\u540c\u4e00\u6307\u4ee4\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\uff0c\u63d0\u9ad8\u4e86\u6307\u4ee4\u7684\u590d\u7528\u6027\u3002\u4f8b\u5982\uff0c<code>v-on<\/code>\u6307\u4ee4\u53ef\u4ee5\u901a\u8fc7\u63a5\u53d7\u4e0d\u540c\u7684\u53c2\u6570\u6765\u76d1\u542c\u4e0d\u540c\u7684\u4e8b\u4ef6\uff0c\u800c\u4fee\u9970\u7b26\u5982<code>.stop<\/code>\u6216<code>.prevent<\/code>\u53ef\u4ee5\u7528\u6765\u6307\u5b9a\u76f8\u5173\u7684\u4e8b\u4ef6\u5904\u7406\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><p>\u4fee\u9970\u7b26\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\uff0c\u5141\u8bb8\u5728\u6a21\u677f\u4e2d\u58f0\u660e\u6027\u5730\u8868\u8fbe\u590d\u6742\u7684DOM\u4e8b\u4ef6\u5904\u7406\u3002\u8fd9\u6837\u7684\u8bbe\u8ba1\u51cf\u5c11\u4e86\u5728JavaScript\u4ee3\u7801\u4e2d\u4e66\u5199\u5927\u91cf\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\u7684\u9700\u6c42\uff0c\u4f7f\u6a21\u677f\u66f4\u52a0\u6e05\u6670\u548c\u7b80\u6d01\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u81ea\u5b9a\u4e49\u6307\u4ee4<\/h3>\n<\/p>\n<p><p>\u81ea\u5b9a\u4e49\u6307\u4ee4\u662fVue\u6307\u4ee4\u7cfb\u7edf\u975e\u5e38\u5f3a\u5927\u7684\u7279\u6027\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u6839\u636e\u9879\u76ee\u7684\u7279\u5b9a\u9700\u6c42\u521b\u5efa\u590d\u7528\u6027\u5f3a\u7684\u6307\u4ee4\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5168\u5c40\u6216\u5c40\u90e8\u6ce8\u518c\u81ea\u5b9a\u4e49\u6307\u4ee4\uff0c\u5e76\u5728\u5176\u4e2d\u5c01\u88c5\u4efb\u610f\u7684DOM\u64cd\u4f5c\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><p>\u81ea\u5b9a\u4e49\u6307\u4ee4\u62e5\u6709\u4e00\u5957\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\uff0c\u4f8b\u5982<code>bind<\/code>\u3001<code>inserted<\/code>\u3001<code>update<\/code>\u7b49\uff0c\u8fd9\u4e9b\u94a9\u5b50\u53ef\u4ee5\u8ba9\u5f00\u53d1\u8005\u5728\u6307\u4ee4\u7684\u4e0d\u540c\u9636\u6bb5\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u81ea\u5b9a\u4e49\u6307\u4ee4\u4e3aVue\u5e94\u7528\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f7f\u5f97\u5904\u7406\u590d\u6742\u7684DOM\u64cd\u4f5c\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n<\/p>\n<p><p>\u603b\u4e4b\uff0cVue\u7684\u6307\u4ee4\u7cfb\u7edf\u662f\u5176\u58f0\u660e\u5f0f\u6e32\u67d3\u7406\u5ff5\u7684\u6838\u5fc3\u4f53\u73b0\uff0c\u901a\u8fc7\u8fd9\u4e9b\u7279\u6027\uff0cVue\u4e0d\u4ec5\u63d0\u5347\u4e86\u5f00\u53d1\u6548\u7387\uff0c\u4e5f\u589e\u5f3a\u4e86\u5e94\u7528\u7684\u53ef\u7ef4\u62a4\u6027\uff0c\u4e3a\u5f00\u53d1\u590d\u6742\u7684\u5355\u9875\u9762\u5e94\u7528\u63d0\u4f9b\u4e86\u5f3a\u5927\u652f\u6301\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. Vue\u7684\u6307\u4ee4\u7cfb\u7edf\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\nVue\u7684\u6307\u4ee4\u7cfb\u7edf\u662fVue.js\u6846\u67b6\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5728DOM\u4e0a\u6dfb\u52a0\u4e00\u4e9b\u7279\u6b8a\u7684\u6807\u8bb0\uff0c\u7528\u6765\u63a7\u5236DOM\u5143\u7d20\u7684\u884c\u4e3a\u548c\u663e\u793a\u65b9\u5f0f\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6307\u4ee4\u6765\u5b9e\u73b0\u6761\u4ef6\u6e32\u67d3\u3001\u5faa\u73af\u64cd\u4f5c\u3001\u4e8b\u4ef6\u5904\u7406\u7b49\u529f\u80fd\uff0c\u5927\u5927\u7b80\u5316\u4e86\u5f00\u53d1\u8fc7\u7a0b\u3002<\/p>\n<p><strong>2. Vue\u7684\u6307\u4ee4\u7cfb\u7edf\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u7279\u6027\uff1f<\/strong><br \/>\n\u5e38\u7528\u7684Vue\u6307\u4ee4\u7279\u6027\u5305\u62ec<code>v-if<\/code>\u3001<code>v-for<\/code>\u3001<code>v-on<\/code>\u3001<code>v-bind<\/code>\u548c<code>v-model<\/code>\u7b49\u3002\u5176\u4e2d\uff0c<code>v-if<\/code>\u7528\u4e8e\u6761\u4ef6\u6e32\u67d3\uff0c\u6839\u636e\u6761\u4ef6\u5224\u65ad\u662f\u5426\u663e\u793aDOM\u5143\u7d20\uff1b<code>v-for<\/code>\u7528\u4e8e\u5faa\u73af\u6e32\u67d3\uff0c\u6839\u636e\u6570\u7ec4\u6216\u5bf9\u8c61\u8fdb\u884c\u91cd\u590d\u6e32\u67d3\uff1b<code>v-on<\/code>\u7528\u4e8e\u76d1\u542cDOM\u4e8b\u4ef6\uff1b<code>v-bind<\/code>\u7528\u4e8e\u52a8\u6001\u7ed1\u5b9a\u5c5e\u6027\u6216\u6837\u5f0f\uff1b<code>v-model<\/code>\u7528\u4e8e\u5b9e\u73b0\u53cc\u5411\u6570\u636e\u7ed1\u5b9a\u3002<\/p>\n<p><strong>3. 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