{"id":4301,"date":"2025-06-10T09:09:44","date_gmt":"2025-06-17T01:29:44","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4301"},"modified":"2025-06-17T09:09:44","modified_gmt":"2025-06-17T01:29:44","slug":"%e5%ad%b8%e7%bf%92vue-js%e7%88%b6%e5%ad%90%e7%b5%84%e4%bb%b6%e9%96%93%e7%9a%84%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/vue-js\/%e5%ad%b8%e7%bf%92vue-js%e7%88%b6%e5%ad%90%e7%b5%84%e4%bb%b6%e9%96%93%e7%9a%84%e9%80%9a%e4%bf%a1\/","title":{"rendered":"2025 \u5e74\u6700\u65b0 Vue.js \u7236\u5b50\u7d44\u4ef6\u901a\u4fe1\u6559\u5b78\uff1a\u4f7f\u7528 Props \u548c Events"},"content":{"rendered":"

<\/p>\n

2025 \u5e74\u6700\u65b0 Vue.js \u7236\u5b50\u7d44\u4ef6\u901a\u4fe1\u6559\u5b78<\/h1>\n

Vue.js \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684 JavaScript \u6846\u67b6\uff0c\u5c08\u70ba\u958b\u767c\u9ad8\u54c1\u8cea\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u800c\u8a2d\u8a08\u3002\u96a8\u8457 Vue.js \u7684\u6301\u7e8c\u66f4\u65b0\uff0c\u5b78\u7fd2\u5982\u4f55\u5728\u7236\u5b50\u7d44\u4ef6\u9593\u9032\u884c\u6709\u6548\u7684\u901a\u4fe1\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39 Vue 3 \u4e2d\u7236\u5b50\u7d44\u4ef6\u901a\u4fe1\u7684\u6700\u65b0\u65b9\u6cd5\uff0c\u6db5\u84cb\u4f7f\u7528 Props \u548c Events \u7684\u6700\u4f73\u5be6\u8e10\uff0c\u540c\u6642\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u548c\u932f\u8aa4\u6392\u9664\u6307\u5357\uff0c\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u5275\u5efa\u529f\u80fd\u5f37\u5927\u7684\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n

\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\u65b9\u5f0f<\/h2>\n

\u5728 Vue.js \u4e2d\uff0c\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a\u4f7f\u7528 Props \u50b3\u905e\u6578\u64da\u548c\u4f7f\u7528 Events \u89f8\u767c\u4e8b\u4ef6\u3002\u9019\u5169\u7a2e\u65b9\u6cd5\u5404\u6709\u5176\u7528\u9014\uff0c\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7684\u53ef\u7dad\u8b77\u6027\u548c\u53ef\u64f4\u5c55\u6027\u3002<\/p>\n

\u4f7f\u7528 Props \u5be6\u73fe\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1<\/h2>\n

\u4f7f\u7528 Props \u662f\u7236\u7d44\u4ef6\u5411\u5b50\u7d44\u4ef6\u50b3\u905e\u6578\u64da\u7684\u5e38\u898b\u65b9\u6cd5\u3002\u8981\u5be6\u73fe\u9019\u4e00\u9ede\uff0c\u7236\u7d44\u4ef6\u9700\u5b9a\u7fa9 Props\uff0c\u4e26\u5c07\u6578\u64da\u50b3\u905e\u7d66\u5b50\u7d44\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Props \u7684\u5be6\u4f5c\u7bc4\u4f8b\uff1a<\/p>\n

\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7236\u7d44\u4ef6 `Parent`\uff0c\u5b83\u5c07\u4e00\u6bb5\u6587\u672c\u50b3\u905e\u7d66\u5b50\u7d44\u4ef6 `Child`\uff1a<\/p>\n

<template>\n  <div>\n    <Child :message=\"message\" \/>\n  <\/div>\n<\/template>\n\n<script>\nexport default {\n  data() {\n    return {\n      message: 'Hello World!'\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n
\u5728\u5b50\u7d44\u4ef6 `Child` \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Props \u63a5\u6536\u9019\u6bb5\u6578\u64da\uff1a<\/p>\n
<template>\n  <div>{{ message }}<\/div>\n<\/template>\n\n<script>\nexport default {\n  props: {\n    message: {\n      type: String,\n      required: true\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n
\u9019\u6a23\u4e00\u4f86\uff0c\u7576\u7236\u7d44\u4ef6 `Parent` \u50b3\u905e\u7684 `message` \u88ab\u5b50\u7d44\u4ef6 `Child` \u63a5\u6536\u5f8c\uff0c\u5c31\u53ef\u4ee5\u5728\u5b50\u7d44\u4ef6\u4e2d\u6e32\u67d3\u9019\u6bb5\u6587\u672c\u3002<\/p>\n
\u4f7f\u7528 Events \u5be6\u73fe\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1<\/h2>\n
\u4f7f\u7528 Events \u662f\u5b50\u7d44\u4ef6\u5411\u7236\u7d44\u4ef6\u50b3\u905e\u4e8b\u4ef6\u7684\u4e00\u7a2e\u65b9\u5f0f\u3002\u5728\u5b50\u7d44\u4ef6\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u5b9a\u7fa9\u4e00\u500b\u4e8b\u4ef6\u4e26\u5728\u9700\u8981\u6642\u89f8\u767c\u5b83\u3002\u7136\u5f8c\uff0c\u7236\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 `v-on` \u6307\u4ee4\u4f86\u76e3\u807d\u9019\u4e9b\u4e8b\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Events \u7684\u5be6\u4f5c\u7bc4\u4f8b\uff1a<\/p>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5b50\u7d44\u4ef6 `Child`\uff0c\u5b83\u5728\u7528\u6236\u9ede\u64ca\u6642\u89f8\u767c\u4e00\u500b\u4e8b\u4ef6\uff1a<\/p>\n
<template>\n  <div @click=\"handleClick\">Click me!<\/div>\n<\/template>\n\n<script>\nexport default {\n  methods: {\n    handleClick() {\n      this.$emit('childClicked')\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n
\u5728\u7236\u7d44\u4ef6 `Parent` \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `v-on` \u6307\u4ee4\u4f86\u63a5\u6536\u9019\u500b\u4e8b\u4ef6\uff1a<\/p>\n
<template>\n  <div>\n    <Child @childClicked=\"handleChildClick\" \/>\n  <\/div>\n<\/template>\n\n<script>\nexport default {\n  methods: {\n    handleChildClick() {\n      \/\/ do something when child is clicked\n      console.log('Child component was clicked!');\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n
\u9019\u6a23\u4e00\u4f86\uff0c\u7576\u5b50\u7d44\u4ef6 `Child` \u89f8\u767c `childClicked` \u4e8b\u4ef6\u5f8c\uff0c\u7236\u7d44\u4ef6 `Parent` \u5c31\u53ef\u4ee5\u6839\u64da\u9700\u8981\u57f7\u884c\u76f8\u61c9\u7684\u52d5\u4f5c\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n
\u5728\u5be6\u4f5c\u7236\u5b50\u7d44\u4ef6\u901a\u4fe1\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n
– **Props \u6c92\u6709\u6b63\u78ba\u50b3\u905e**\uff1a\u78ba\u4fdd\u7236\u7d44\u4ef6\u50b3\u905e\u7684 Props \u540d\u7a31\u8207\u5b50\u7d44\u4ef6\u4e2d\u7684 Props \u540d\u7a31\u4e00\u81f4\u3002
\n– **\u4e8b\u4ef6\u672a\u89f8\u767c**\uff1a\u6aa2\u67e5\u5b50\u7d44\u4ef6\u4e2d\u662f\u5426\u6b63\u78ba\u4f7f\u7528\u4e86 `$emit` \u65b9\u6cd5\uff0c\u4e14\u7236\u7d44\u4ef6\u662f\u5426\u6b63\u78ba\u76e3\u807d\u4e8b\u4ef6\u3002<\/p>\n
\u6700\u4f73\u5be6\u8e10\u5efa\u8b70\u4f7f\u7528 `PropTypes` \u9032\u884c\u6578\u64da\u985e\u578b\u6aa2\u67e5\uff0c\u4e26\u76e1\u91cf\u4fdd\u6301\u7236\u5b50\u7d44\u4ef6\u7684\u6578\u64da\u6d41\u5411\u55ae\u4e00\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8907\u96dc\u6027\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 Vue.js \u4e2d\u4f7f\u7528 Props \u548c Events \u4f86\u5be6\u73fe\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\u3002\u96a8\u8457 Vue \u7684\u6301\u7e8c\u767c\u5c55\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5275\u5efa\u66f4\u9ad8\u6548\u3001\u53ef\u7dad\u8b77\u7684\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
Q1: \u5728 Vue.js \u4e2d\u4f7f\u7528 Props \u6709\u4ec0\u9ebc\u9650\u5236\u55ce\uff1f<\/h3>\n
A1: \u662f\u7684\uff0cProps \u53ea\u80fd\u7531\u7236\u7d44\u4ef6\u50b3\u905e\u5230\u5b50\u7d44\u4ef6\uff0c\u5b50\u7d44\u4ef6\u4e0d\u61c9\u76f4\u63a5\u4fee\u6539 Props \u7684\u503c\u3002<\/p>\n
Q2: \u5982\u4f55\u5728\u7236\u7d44\u4ef6\u4e2d\u8655\u7406\u5b50\u7d44\u4ef6\u7684\u4e8b\u4ef6\uff1f<\/h3>\n
A2: \u53ef\u4ee5\u4f7f\u7528 `v-on` \u6307\u4ee4\u4f86\u76e3\u807d\u5b50\u7d44\u4ef6\u89f8\u767c\u7684\u4e8b\u4ef6\uff0c\u7136\u5f8c\u5728\u7236\u7d44\u4ef6\u4e2d\u5b9a\u7fa9\u76f8\u61c9\u7684\u8655\u7406\u51fd\u6578\u3002<\/p>\n
Q3: \u4f7f\u7528 Events \u6703\u5f71\u97ff\u6027\u80fd\u55ce\uff1f<\/h3>\n
A3: \u4f7f\u7528 Events \u9032\u884c\u901a\u4fe1\u662f\u8f15\u91cf\u4e14\u6709\u6548\u7684\uff0c\u901a\u5e38\u4e0d\u6703\u5c0d\u6027\u80fd\u9020\u6210\u986f\u8457\u5f71\u97ff\uff0c\u4f46\u61c9\u907f\u514d\u904e\u591a\u7684\u4e8b\u4ef6\u7d81\u5b9a\u4ee5\u4fdd\u6301\u4ee3\u78bc\u6e05\u6670\u3002<\/h3>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728Vue.js\u4e2d\u5229\u7528\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\uff0c\u8b93\u7a0b\u5f0f\u78bc\u66f4\u52a0\u7c21\u6f54\u3001\u9748\u6d3b\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39Vue.js\u4e2d\u7236\u5b50\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u5b83\u4f86\u63d0\u5347\u958b\u767c\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[180,179],"tags":[178,177],"class_list":["post-4301","post","type-post","status-publish","format-standard","hentry","category-vue","category-vue-js","tag-vue","tag-vue-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-17n","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=4301"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4301\/revisions"}],"predecessor-version":[{"id":4302,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4301\/revisions\/4302"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}