{"id":1099,"date":"2022-11-19T14:27:00","date_gmt":"2022-11-19T06:27:00","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=1099"},"modified":"2022-10-25T10:34:12","modified_gmt":"2022-10-25T02:34:12","slug":"%e8%bd%acvue%e4%bc%98%e5%8c%96%e7%9b%b8%e5%85%b3","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=1099","title":{"rendered":"Vue\u4f18\u5316\u76f8\u5173(\u9488\u5bf9\u4ee3\u7801\u4e0e\u6d4f\u89c8\u5668)"},"content":{"rendered":"\n

\u524d\u8a00<\/h1>\n\n\n\n

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\n\n\n\n

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1. \u4e3a\u4ec0\u4e48\u9700\u8981\u8def\u7531\u61d2\u52a0\u8f7d<\/h2>\n\n\n\n

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2. \u5982\u4f55\u5b9e\u73b0\u8def\u7531\u61d2\u52a0\u8f7d<\/h2>\n\n\n\n

vue\u5b98\u65b9\u6587\u6863\uff1a\u8def\u7531\u61d2\u52a0\u8f7d<\/a> \u4ee3\u7801\u5982\u4e0b\uff08\u793a\u4f8b\uff09:<\/p>\n\n\n\n

{\n    path: '\/login',\n    component: () => import('@\/views\/login\/index'),\n    hidden: true\n  },\n<\/code><\/pre>\n\n\n\n
3. \u8def\u7531\u61d2\u52a0\u8f7d\u4e2d\u7684\u9b54\u6cd5\u6ce8\u91ca<\/h2>\n\n\n\n
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components = () => import(\/* webpackChunkName:\"login\"*\/ \"..\/component\/Login.vue\")\n<\/code><\/pre>\n\n\n\n
4.\u5408\u7406\u7684\u4f7f\u7528v-if\u4e0ev-show\uff1a<\/strong><\/p>\n\n\n\n
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computed\uff1a \u662f\u8ba1\u7b97\u5c5e\u6027\uff0c\u4f9d\u8d56\u5176\u5b83\u5c5e\u6027\u503c\uff0c\u5e76\u4e14 computed \u7684\u503c\u6709\u7f13\u5b58\uff0c\u53ea\u6709\u5b83\u4f9d\u8d56\u7684\u5c5e\u6027\u503c\u53d1\u751f\u6539\u53d8\uff0c\u4e0b\u4e00\u6b21\u83b7\u53d6 computed \u7684\u503c\u65f6\u624d\u4f1a\u91cd\u65b0\u8ba1\u7b97 computed \u7684\u503c\uff1b<\/p>\n\n\n\n
5.\u5408\u7406\u7684\u4f7f\u7528computed\u4e0ewatch<\/strong><\/p>\n\n\n\n
watch\uff1a \u66f4\u591a\u7684\u662f\u300c\u89c2\u5bdf\u300d\u7684\u4f5c\u7528\uff0c\u7c7b\u4f3c\u4e8e\u67d0\u4e9b\u6570\u636e\u7684\u76d1\u542c\u56de\u8c03 \uff0c\u6bcf\u5f53\u76d1\u542c\u7684\u6570\u636e\u53d8\u5316\u65f6\u90fd\u4f1a\u6267\u884c\u56de\u8c03\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\uff1b<\/p>\n\n\n\n
\u8fd0\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n
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6.v-for \u904d\u5386\u5fc5\u987b\u4e3a item \u6dfb\u52a0 key\uff0c\u4e14\u907f\u514d\u540c\u65f6\u4f7f\u7528 v-if<\/strong><\/p>\n\n\n\n
7.\u957f\u5217\u8868\u6027\u80fd\u4f18\u5316<\/strong><\/p>\n\n\n\n
Vue \u4f1a\u901a\u8fc7 Object.defineProperty \u5bf9\u6570\u636e\u8fdb\u884c\u52ab\u6301\uff0c\u6765\u5b9e\u73b0\u89c6\u56fe\u54cd\u5e94\u6570\u636e\u7684\u53d8\u5316\uff0c\u7136\u800c\u6709\u4e9b\u65f6\u5019\u6211\u4eec\u7684\u7ec4\u4ef6\u5c31\u662f\u7eaf\u7cb9\u7684\u6570\u636e\u5c55\u793a\uff0c\u4e0d\u4f1a\u6709\u4efb\u4f55\u6539\u53d8\uff0c\u5728\u5927\u91cf\u6570\u636e\u5c55\u793a\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u80fd\u591f\u5f88\u660e\u663e\u7684\u51cf\u5c11\u7ec4\u4ef6\u521d\u59cb\u5316\u7684\u65f6\u95f4<\/p>\n\n\n\n
export default {\n  data: () => ({\n    users: {}\n  }),\n  async created() {\n    const users = await axios.get(\"\/api\/users\");\n    this.users = Object.freeze(users);\n  }\n};<\/code><\/pre>\n\n\n\n

8<\/strong>.\u4e8b\u4ef6\u7684\u9500\u6bc1<\/strong><\/p>\n\n\n\n
Vue \u7ec4\u4ef6\u9500\u6bc1\u65f6\uff0c\u4f1a\u81ea\u52a8\u6e05\u7406\u5b83\u4e0e\u5176\u5b83\u5b9e\u4f8b\u7684\u8fde\u63a5\uff0c\u89e3\u7ed1\u5b83\u7684\u5168\u90e8\u6307\u4ee4\u53ca\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u4f46\u662f\u4ec5\u9650\u4e8e\u7ec4\u4ef6\u672c\u8eab\u7684\u4e8b\u4ef6\u3002\u5982\u679c\u5728 js \u5185<\/p>\n\n\n\n
created() {\n  addEventListener('click', this.click, false)\n},\nbeforeDestroy() {\n  removeEventListener('click', this.click, false)\n}<\/code><\/pre>\n\n\n\n
9.\u56fe\u7247\u8d44\u6e90\u61d2\u52a0\u8f7d\u4e0e\u5206\u9875<\/strong><\/p>\n\n\n\n
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10.\u7b2c\u4e09\u65b9\u63d2\u4ef6\u7684\u6309\u9700\u5f15\u5165<\/strong><\/p>\n\n\n\n
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\u4f8b\u5b50\uff1ahttps:\/\/element.eleme.io\/#\/zh-CN\/component\/quickstart<\/a><\/p>\n\n\n\n
11.<\/p>\n\n\n\n
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1. \u9700\u6c42<\/h2>\n\n\n\n
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2.\u9488\u5bf9\u6d4f\u89c8\u5668\u7684\u8c03\u8bd5\u5de5\u5177<\/strong>—performance insights<\/strong><\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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3.\u9488\u5bf9\u6d4f\u89c8\u5668\u7684\u8c03\u8bd5\u5de5\u5177–Lighthouse<\/strong><\/p>\n\n\n\n
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1. \u9700\u6c42<\/h2>\n\n\n\n
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2. \u6392\u9664\u6253\u5305<\/h2>\n\n\n\n
\u627e\u5230 vue.config.js<\/code>\uff0c \u6dfb\u52a0 externals<\/code> \u9879\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u4ee3\u7801\u5982\u4e0b\uff08\u793a\u4f8b\uff09\uff1a<\/p>\n\n\n\n
configureWebpack: {\n  \/\/ \u914d\u7f6e\u5355\u9875\u5e94\u7528\u7a0b\u5e8f\u7684\u9875\u9762\u7684\u6807\u9898\n  name: name,\n  externals: {\n     \/**\n      * externals \u5bf9\u8c61\u5c5e\u6027\u89e3\u6790\u3002\n      *  \u57fa\u672c\u683c\u5f0f\uff1a\n      *     '\u5305\u540d' : '\u5728\u9879\u76ee\u4e2d\u5f15\u5165\u7684\u540d\u5b57'\n      *  \n    *\/\n    'vue': 'Vue',\n    'element-ui': 'ElementUI',\n    'xlsx': 'XLSX'\n  },\n  resolve: {\n    alias: {\n      '@': resolve('src')\n    }\n  }\n}\n<\/code><\/pre>\n\n\n\n
\u56db\u3001 \u5f15\u7528\u7f51\u7edc\u8d44\u6e90<\/h1>\n\n\n\n
1. \u9700\u6c42<\/h2>\n\n\n\n
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2. CDN<\/h2>\n\n\n\n
  • CDN<\/code>\u5168\u79f0\u53eb\u505a\u201cContent Delivery Network\u201d\uff0c\u4e2d\u6587\u53eb\u5185\u5bb9\u5206\u53d1\u7f51\u7edc<\/strong>\u3002\u6211\u4eec\u7528\u5b83\u6765\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6<\/strong><\/li>
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    \u597d\u5904\uff1a<\/strong><\/p>\n\n\n\n
    1. \u51cf\u5c11\u5e94\u7528\u6253\u5305\u51fa\u6765\u7684\u5305\u4f53\u79ef<\/li>
    2. \u52a0\u5feb\u9759\u6001\u8d44\u6e90\u7684\u8bbf\u95ee<\/li>
    3. \u5229\u7528\u6d4f\u89c8\u5668\u7f13\u5b58\uff0c\u4e0d\u4f1a\u53d8\u52a8\u7684\u6587\u4ef6\u957f\u671f\u7f13\u5b58<\/li><\/ol>\n\n\n\n
      \u5907\u6ce8\uff1a\u5982\u679c\u662f\u4f01\u4e1a\u9879\u76ee\u4e0d\u5efa\u8bae\u8fd9\u4e48\u64cd\u4f5c(\u514d\u8d39\u7684\u5bb9\u6613\u6302\u6389)\uff0c\u4ec5\u5efa\u8bae\u5c0f\u578b\u6216\u4e2a\u4eba\u5b66\u4e60\u4f7f\u7528<\/span><\/strong><\/p>\n\n\n\n
      3. \u5b9e\u73b0\u6b65\u9aa4<\/h2>\n\n\n\n
      \u6ce8\u610f<\/code>:\u5728\u5f00\u53d1\u73af\u5883\u65f6\uff0c\u6587\u4ef6\u8d44\u6e90\u8fd8\u662f\u53ef\u4ee5\u4ece\u672c\u5730node_modules<\/code>\u4e2d\u53d6\u51fa\uff0c\u800c\u53ea\u6709\u9879\u76ee\u4e0a\u7ebf\u4e86\uff0c\u624d\u9700\u8981\u53bb\u4f7f\u7528\u5916\u90e8\u8d44\u6e90\u3002\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u73af\u5883\u53d8\u91cf<\/strong>\u6765\u8fdb\u884c\u533a\u5206\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n\n\n
      \u4ee3\u7801\u5982\u4e0b\uff08\u793a\u4f8b\uff09\uff1a<\/p>\n\n\n\n
      \u5728vue.config.js<\/code>\u6587\u4ef6\u4e2d:<\/p>\n\n\n\n
      let externals = {}\nlet cdn = { css: [], js: [] }\nconst isProduction = process.env.NODE_ENV === 'production' \/\/ \u5224\u65ad\u662f\u5426\u662f\u751f\u4ea7\u73af\u5883\nif (isProduction) {\n  externals = {\n      \/**\n      * externals \u5bf9\u8c61\u5c5e\u6027\u89e3\u6790\uff1a\n      * '\u5305\u540d' : '\u5728\u9879\u76ee\u4e2d\u5f15\u5165\u7684\u540d\u5b57'\n    *\/\n      'vue': 'Vue',\n      'element-ui': 'ELEMENT',\n      'xlsx': 'XLSX'\n  }\n  cdn = {\n    css: [\n      'https:\/\/unpkg.com\/element-ui\/lib\/theme-chalk\/index.css' \/\/ element-ui css \u6837\u5f0f\u8868\n    ],\n    js: [\n      \/\/ vue must at first!\n      'https:\/\/unpkg.com\/vue@2.6.12\/dist\/vue.js', \/\/ vuejs\n      'https:\/\/unpkg.com\/element-ui\/lib\/index.js', \/\/ element-ui js\n      'https:\/\/cdn.jsdelivr.net\/npm\/xlsx@0.16.6\/dist\/xlsx.full.min.js', \/\/ xlsx\n    ]\n  }\n}<\/code><\/pre>\n\n\n\n
      webpack\u914d\u7f6eexternals<\/code>\u914d\u7f6e\u9879<\/p>\n\n\n\n
      configureWebpack: {\n  \/\/ \u914d\u7f6e\u5355\u9875\u5e94\u7528\u7a0b\u5e8f\u7684\u9875\u9762\u7684\u6807\u9898\n  name: name,\n  externals: externals,\n  resolve: {\n    alias: {\n      '@': resolve('src')\n    }\n  }\n}\n<\/code><\/pre>\n\n\n\n
      \u901a\u8fc7 html-webpack-plugin<\/code>\u6ce8\u5165\u5230 index.html<\/code>\u4e4b\u4e2d: \u5728vue.config.js<\/code>\u6587\u4ef6\u4e2d\u914d\u7f6e:<\/p>\n\n\n\n
      chainWebpack(config) {\n  config.plugin('preload').tap(() => [\n    {\n      rel: 'preload',\n      fileBlacklist: [\/\\.map$\/, \/hot-update\\.js$\/, \/runtime\\..*\\.js$\/],\n      include: 'initial'\n    }\n  ])\n  \/\/ \u6ce8\u5165cdn\u53d8\u91cf (\u6253\u5305\u65f6\u4f1a\u6267\u884c)\n  config.plugin('html').tap(args => {\n    args[0].cdn = cdn \/\/ \u914d\u7f6ecdn\u7ed9\u63d2\u4ef6\n    return args\n  })\n  \/\/ \u7701\u7565\u5176\u4ed6...\n}\n<\/code><\/pre>\n\n\n\n
      \u627e\u5230 public\/index.html<\/code> \u901a\u8fc7\u914d\u7f6eCDN Config<\/code> \u4f9d\u6b21\u6ce8\u5165 css \u548c js\u3002 \u4fee\u6539head\u7684\u5185\u5bb9\u5982\u4e0b:<\/p>\n\n\n\n
      <head>\n    <meta charset=\"utf-8\">\n    <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge,chrome=1\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no\">\n    <link rel=\"icon\" href=\"<%= BASE_URL %>favicon.ico\">\n    <title><%= webpackConfig.name %><\/title>\n\n      <!-- \u5f15\u5165\u6837\u5f0f -->\n      <% for(var css of htmlWebpackPlugin.options.cdn.css) { %>\n        <link rel=\"stylesheet\" href=\"<%=css%>\">\n        <% } %>\n\n\n    <!-- \u5f15\u5165JS -->\n    <% for(var js of htmlWebpackPlugin.options.cdn.js) { %>\n      <script src=\"<%=js%>\"><\/script>\n    <% } %>\n  <\/head>\n<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      <\/p>\n\n\n\n
      \u603b\u7ed3<\/h1>\n\n\n\n
      \u8fd9\u4e9b\u624b\u6bb5\u4ec5\u4ec5\u662f\u4e00\u90e8\u5206 \uff0c\u8fd8\u6709\u4e00\u4e9bcss\u5408\u6279\uff0c\u56fe\u7247\u5408\u6279\uff0c\u63d0\u53d6\u516c\u5171\u4ee3\u7801\u7b49\u5c31\u4e0d\u518d\u8bf4\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u524d\u8a00 Vue\u9879\u76ee\u5f00\u53d1\u5b8c\u6bd5\u540e\uff0c\u5bf9\u9879\u76ee\u8fdb\u884c\u6253\u5305\u53d1\u5e03\u4e4b\u524d\uff0c\u5fc5\u4e0d\u53ef\u5c11\u7684\u64cd\u4f5c\u5c31\u662f\u9879\u76ee\u4f18\u5316\uff0c\u8fd9\u4e5f\u662f\u7a0b\u5e8f\u733f\u7684\u52a0\u5206\u9879\u770b\u770b\u5982\u4f55\u5bf9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[41],"tags":[38],"_links":{"self":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/1099"}],"collection":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1099"}],"version-history":[{"count":5,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/1099\/revisions"}],"predecessor-version":[{"id":1116,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/1099\/revisions\/1116"}],"wp:attachment":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1099"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}