{"id":5791,"date":"2025-06-13T10:09:03","date_gmt":"2025-06-17T02:09:03","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5791"},"modified":"2025-06-17T10:09:03","modified_gmt":"2025-06-17T02:09:03","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e5%9c%a8vue%e4%b8%ad%e5%af%a6%e7%8f%be%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%92%e5%a6%82%e4%bd%95%e5%9c%a8vue%e4%b8%ad%e5%af%a6%e7%8f%be%e7%b5%84%e4%bb%b6%e9%96%93%e7%9a%84%e9%80%9a%e4%bf%a1\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u5728 Vue 3 \u4e2d\u5be6\u73fe\u7d44\u4ef6\u9593\u7684\u9ad8\u6548\u901a\u4fe1"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Vue, \u7d44\u4ef6\u901a\u4fe1, Vue 3, \u7d44\u4ef6, \u901a\u4fe1, JavaScript \u6846\u67b6\"><\/p>\n<h1>\u5982\u4f55\u5728 Vue 3 \u4e2d\u5be6\u73fe\u7d44\u4ef6\u901a\u4fe1\uff1f<\/h1>\n<p>Vue \u662f\u4e00\u500b\u975e\u5e38\u5f37\u5927\u7684 JavaScript \u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u958b\u767c\u51fa\u9ad8\u54c1\u8cea\u7684 Web \u61c9\u7528\u7a0b\u5e8f\u3002Vue \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u7d44\u4ef6\uff0c\u53ef\u4ee5\u5c07\u61c9\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\u5206\u5272\u6210\u53ef\u91cd\u7528\u7684\u7d44\u4ef6\uff0c\u4ee5\u63d0\u9ad8\u958b\u767c\u6548\u7387\u3002\u5728\u73fe\u4ee3\u7684 Vue 3 \u4e2d\uff0c\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\u65b9\u5f0f\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u548c\u9ad8\u6548\u3002<\/p>\n<p>\u5728\u958b\u767c Vue \u61c9\u7528\u7a0b\u5e8f\u6642\uff0c\u7d93\u5e38\u9700\u8981\u5728\u4e0d\u540c\u7684\u7d44\u4ef6\u4e4b\u9593\u9032\u884c\u901a\u4fe1\uff0c\u4ee5\u4fbf\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5171\u4eab\u6578\u64da\u548c\u529f\u80fd\u3002Vue 3 \u63d0\u4f9b\u4e86\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u7d44\u4ef6\u4e4b\u9593\u7684\u901a\u4fe1\uff0c\u5305\u62ec props\u3001<span class=\"katex math inline\">emit\u3001<\/span>on\u3001<span class=\"katex math inline\">off\u3001<\/span>once \u4ee5\u53ca provide\/inject \u7b49\u3002\u9019\u88e1\u5c07\u8a73\u7d30\u4ecb\u7d39\u9019\u4e9b\u65b9\u6cd5\u53ca\u5176\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2>Props<\/h2>\n<p>Props \u662f Vue \u4e2d\u6700\u5e38\u7528\u7684\u7d44\u4ef6\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8b93\u7236\u7d44\u4ef6\u5411\u5b50\u7d44\u4ef6\u50b3\u905e\u6578\u64da\u3002\u4f8b\u5982\uff0c\u7236\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 props \u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u50b3\u905e\u7d66\u5b50\u7d44\u4ef6\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <ChildComponent :message=\"message\"><\/ChildComponent>\n<\/template>\n\n<script>\nexport default {\n  data() {\n    return {\n      message: 'Hello World!'\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u7236\u7d44\u4ef6\u5c07\u4e00\u500b\u5b57\u7b26\u4e32 `message` \u50b3\u905e\u7d66\u5b50\u7d44\u4ef6\uff0c\u5b50\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 props \u63a5\u6536\u8a72\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <div>{{ message }}<\/div>\n<\/template>\n\n<script>\nexport default {\n  props: {\n    message: String\n  }\n}\n<\/script>\n<\/code><\/pre>\n<h2>$emit<\/h2>\n<p>`<span class=\"katex math inline\">emit` \u662f Vue \u4e2d\u53e6\u4e00\u7a2e\u5e38\u7528\u7684\u7d44\u4ef6\u901a\u4fe1\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8b93\u5b50\u7d44\u4ef6\u5411\u7236\u7d44\u4ef6\u50b3\u905e\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5b50\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 `<\/span>emit` \u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u50b3\u905e\u7d66\u7236\u7d44\u4ef6\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <button @click=\"handleClick\">Click Me<\/button>\n<\/template>\n\n<script>\nexport default {\n  methods: {\n    handleClick() {\n      this.$emit('message', 'Hello World!')\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u5b50\u7d44\u4ef6\u5c07\u4e00\u500b\u5b57\u7b26\u4e32 `message` \u50b3\u905e\u7d66\u7236\u7d44\u4ef6\uff0c\u7236\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 `$on` \u63a5\u6536\u8a72\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <ChildComponent @message=\"handleMessage\"><\/ChildComponent>\n<\/template>\n\n<script>\nexport default {\n  methods: {\n    handleMessage(message) {\n      console.log(message)\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n<h2>$on\u3001$off \u548c $once<\/h2>\n<p>`<span class=\"katex math inline\">on`\u3001`<\/span>off` \u548c `<span class=\"katex math inline\">once` \u662f Vue \u4e2d\u7528\u65bc\u7d44\u4ef6\u4e4b\u9593\u901a\u4fe1\u7684\u53e6\u5916\u4e09\u500b\u65b9\u6cd5\u3002`<\/span>on` \u65b9\u6cd5\u53ef\u4ee5\u8b93\u7d44\u4ef6\u76e3\u807d\u67d0\u500b\u4e8b\u4ef6\uff0c\u7576\u8a72\u4e8b\u4ef6\u88ab\u89f8\u767c\u6642\uff0c\u5c31\u6703\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff1b`<span class=\"katex math inline\">off` \u65b9\u6cd5\u53ef\u4ee5\u53d6\u6d88\u7d44\u4ef6\u7684\u67d0\u500b\u4e8b\u4ef6\u76e3\u807d\uff1b`<\/span>once` \u65b9\u6cd5\u53ef\u4ee5\u8b93\u7d44\u4ef6\u53ea\u76e3\u807d\u4e00\u6b21\u67d0\u500b\u4e8b\u4ef6\uff0c\u7576\u8a72\u4e8b\u4ef6\u88ab\u89f8\u767c\u6642\uff0c\u5c31\u6703\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u4e14\u53d6\u6d88\u8a72\u4e8b\u4ef6\u7684\u76e3\u807d\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u7236\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 `$on` \u76e3\u807d\u5b50\u7d44\u4ef6\u7684 `message` \u4e8b\u4ef6\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <ChildComponent @message=\"handleMessage\"><\/ChildComponent>\n<\/template>\n\n<script>\nexport default {\n  methods: {\n    handleMessage(message) {\n      console.log(message)\n    }\n  },\n  mounted() {\n    this.$on('message', this.handleMessage)\n  }\n}\n<\/script>\n<\/code><\/pre>\n<h2>Provide\/Inject<\/h2>\n<p>`provide\/inject` \u662f Vue \u4e2d\u53e6\u4e00\u7a2e\u7528\u65bc\u7d44\u4ef6\u4e4b\u9593\u901a\u4fe1\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u8b93\u7236\u7d44\u4ef6\u5411\u5b50\u7d44\u4ef6\u50b3\u905e\u6578\u64da\uff0c\u4e26\u4e14\u53ef\u4ee5\u8b93\u5b50\u7d44\u4ef6\u5411\u7236\u7d44\u4ef6\u50b3\u905e\u6578\u64da\u3002\u9019\u7a2e\u65b9\u5f0f\u975e\u5e38\u9069\u5408\u7528\u65bc\u6df1\u5c64\u5d4c\u5957\u7684\u7d44\u4ef6\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u7236\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 `provide` \u5c07\u4e00\u500b\u5b57\u7b26\u4e32\u50b3\u905e\u7d66\u5b50\u7d44\u4ef6\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <ChildComponent><\/ChildComponent>\n<\/template>\n\n<script>\nexport default {\n  provide() {\n    return {\n      message: 'Hello World!'\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u7236\u7d44\u4ef6\u5c07\u4e00\u500b\u5b57\u7b26\u4e32 `message` \u50b3\u905e\u7d66\u5b50\u7d44\u4ef6\uff0c\u5b50\u7d44\u4ef6\u53ef\u4ee5\u4f7f\u7528 `inject` \u63a5\u6536\u8a72\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre><code class=\"language-html\">\n<template>\n  <div>{{ message }}<\/div>\n<\/template>\n\n<script>\nexport default {\n  inject: ['message']\n}\n<\/script>\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u5be6\u4f5c\u7d44\u4ef6\u901a\u4fe1\u6642\uff0c\u958b\u767c\u8005\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<br \/>\n1. **\u907f\u514d\u904e\u5ea6\u4f7f\u7528 props**\uff1a\u7576\u7d44\u4ef6\u5d4c\u5957\u5c64\u7d1a\u904e\u6df1\u6642\uff0c\u53ef\u80fd\u9700\u8981\u591a\u6b21\u50b3\u905e props\uff0c\u9019\u6a23\u6703\u4f7f\u5f97\u4ee3\u78bc\u8b8a\u5f97\u96e3\u4ee5\u7dad\u8b77\u3002\u8003\u616e\u4f7f\u7528 `provide\/inject`\u3002<br \/>\n2. **\u4f7f\u7528 Vuex \u6216 Composition API**\uff1a\u5728\u5927\u578b\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528 Vuex \u6216 Vue 3 \u7684 Composition API \u4f86\u7ba1\u7406\u5168\u5c40\u72c0\u614b\u6703\u66f4\u70ba\u65b9\u4fbf\u3002<br \/>\n3. **\u4e8b\u4ef6\u547d\u540d**\uff1a\u4f7f\u7528\u4e00\u81f4\u7684\u4e8b\u4ef6\u547d\u540d\u898f\u5247\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>Vue \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u65b9\u6cd5\u4f86\u5be6\u73fe\u7d44\u4ef6\u4e4b\u9593\u7684\u901a\u4fe1\uff0c\u5305\u62ec props\u3001<span class=\"katex math inline\">emit\u3001<\/span>on\u3001<span class=\"katex math inline\">off\u3001<\/span>once \u548c provide\/inject \u7b49\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u4f86\u5be6\u73fe\u7d44\u4ef6\u4e4b\u9593\u7684\u901a\u4fe1\u3002\u96a8\u8457 Vue 3 \u7684\u9032\u6b65\uff0c\u9019\u4e9b\u901a\u4fe1\u65b9\u5f0f\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\uff0c\u958b\u767c\u8005\u61c9\u6301\u7e8c\u95dc\u6ce8\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: Vue 3 \u4e2d\u7684\u7d44\u4ef6\u901a\u4fe1\u65b9\u5f0f\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>Vue 3 \u4e2d\u7684\u7d44\u4ef6\u901a\u4fe1\u65b9\u5f0f\u5305\u62ec props\u3001<span class=\"katex math inline\">emit\u3001<\/span>on\u3001<span class=\"katex math inline\">off\u3001<\/span>once \u548c provide\/inject\u3002<\/p>\n<h3>Q2: \u4f55\u6642\u61c9\u4f7f\u7528 provide\/inject \u800c\u4e0d\u662f props\uff1f<\/h3>\n<p>\u7576\u7d44\u4ef6\u5d4c\u5957\u5c64\u7d1a\u904e\u6df1\uff0c\u4e14\u9700\u8981\u591a\u6b21\u50b3\u905e\u6578\u64da\u6642\uff0c\u4f7f\u7528 provide\/inject \u53ef\u4ee5\u907f\u514d\u904e\u5ea6\u4f7f\u7528 props\uff0c\u4f7f\u4ee3\u78bc\u66f4\u6613\u65bc\u7dad\u8b77\u3002<\/p>\n<h3>Q3: Vuex \u662f\u4ec0\u9ebc\uff1f\u5b83\u5728\u7d44\u4ef6\u901a\u4fe1\u4e2d\u6709\u4ec0\u9ebc\u4f5c\u7528\uff1f<\/h3>\n<p>Vuex \u662f Vue \u7684\u72c0\u614b\u7ba1\u7406\u5de5\u5177\uff0c\u9069\u5408\u7528\u65bc\u5927\u578b\u61c9\u7528\u4e2d\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u5168\u5c40\u72c0\u614b\u548c\u7d44\u4ef6\u4e4b\u9593\u7684\u6578\u64da\u5171\u4eab\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1aVue.js\u662f\u4e00\u500b\u6846\u67b6\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u8f15\u9b06\u5730\u5be6\u73fe\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\u3002\u672c\u6587\u5c07\u4ecb\u7d39Vue\u4e2d\u7684\u4e00\u4e9b\u5e38\u7528\u65b9\u6cd5\uff0c\u4f8b\u5982props\u3001$emit\u3001$on\u3001$parent\u3001$children\u7b49\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u4f86\u5be6\u73fe\u7d44\u4ef6\u9593\u7684\u901a\u4fe1\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-5791","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\/pcFK27-1vp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5791","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=5791"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5791\/revisions"}],"predecessor-version":[{"id":5792,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5791\/revisions\/5792"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}