{"id":31707,"date":"2024-11-25T17:47:13","date_gmt":"2024-11-25T09:47:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31707\/"},"modified":"2024-11-25T17:47:13","modified_gmt":"2024-11-25T09:47:13","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%bc%80%e5%8f%91%e6%95%99%e7%a8%8b%e4%b9%8b%e5%a2%9e%e5%8a%a0mixin%e6%89%a9%e5%b1%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31707\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b\u4e4b\u589e\u52a0mixin\u6269\u5c55"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5173\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b\u4e4b\u589e\u52a0mixin\u6269\u5c55\uff0c\u6709\u7740\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b<\/p>\n

Mixin\u662f\u4e00\u79cd\u601d\u60f3,\u7528\u90e8\u5206\u5b9e\u73b0\u7684\u63a5\u53e3\u6765\u5b9e\u73b0\u4ee3\u7801\u590d\u7528\u3002\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u591a\u7ee7\u627f\u7684\u95ee\u9898,\u53c8\u53ef\u4ee5\u7528\u6765\u6269\u5c55\u529f\u80fd\u3002\u4e0b\u9762\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e86\u5173\u4e8e\u4e3a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u589e\u52a0mixin\u6269\u5c55\u7684\u76f8\u5173\u8d44\u6599\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u501f\u9274\uff0c\u4e0b\u9762\u6765\u4e00\u8d77\u770b\u770b\u5427\u3002<\/p>\n

Mixin\u7b80\u4ecb<\/strong><\/span><\/p>\n

Mixin\uff08\u7ec7\u5165\uff09\u6a21\u5f0f\u5e76\u4e0d\u662fGOF\u7684\u300a\u8bbe\u8ba1\u6a21\u5f0f\u300b\u5f52\u7eb3\u4e2d\u7684\u4e00\u79cd\uff0c\u4f46\u662f\u5728\u5404\u79cd\u8bed\u8a00\u4ee5\u53ca\u6846\u67b6\u90fd\u4f1a\u53d1\u73b0\u8be5\u6a21\u5f0f\uff08\u6216\u8005\u601d\u60f3\uff09\u7684\u4e00\u4e9b\u5e94\u7528\u3002\u7b80\u5355\u6765\u8bf4\uff0cMixin\u662f\u5e26\u6709\u5168\u90e8\u5b9e\u73b0\u6216\u8005\u90e8\u5206\u5b9e\u73b0\u7684\u63a5\u53e3\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u66f4\u597d\u7684\u4ee3\u7801\u590d\u7528\u3002<\/p>\n

Mixin\u8fd9\u4e2a\u6982\u5ff5\u5728React, Vue\u4e2d\u90fd\u6709\u652f\u6301\uff0c\u5b83\u4e3a\u6211\u4eec\u62bd\u8c61\u4e1a\u52a1\u903b\u8f91\uff0c\u4ee3\u7801\u590d\u7528\u63d0\u4f9b\u4e86\u65b9\u4fbf\u3002\u7136\u800c\u5c0f\u7a0b\u5e8f\u539f\u751f\u6846\u67b6\u5e76\u6ca1\u76f4\u63a5\u652f\u6301Mixin\u3002\u6211\u4eec\u5148\u770b\u4e00\u4e2a\u5f88\u5b9e\u9645\u7684\u9700\u6c42\uff1a<\/p>\n

\u4e3a\u6240\u6709\u5c0f\u7a0b\u5e8f\u9875\u9762\u589e\u52a0\u8fd0\u884c\u73af\u5883class\uff0c\u4ee5\u65b9\u4fbf\u505a\u4e00\u4e9b\u6837\u5f0fhack\u3002\u5177\u4f53\u8bf4\u5c31\u662f\u5c0f\u7a0b\u5e8f\u5728\u4e0d\u540c\u7684\u8fd0\u884c\u73af\u5883\uff08\u5f00\u53d1\u8005\u5de5\u5177|iOS|Android\uff09\u8fd0\u884c\u65f6\uff0cplatform\u503c\u4e3a\u5bf9\u5e94\u7684\u8fd0\u884c\u73af\u5883\u503c\uff08”ios|android|devtools”\uff09<\/p>\n

<view>\n <!--\u9875\u9762\u6a21\u677f-->\n<\/view><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u56de\u987evue\u4e2dmixin\u7684\u4f7f\u7528<\/strong><\/span><\/p>\n
\u6587\u7ae0\u5f00\u59cb\u63d0\u5230\u7684\u95ee\u9898\u662f\u975e\u5e38\u9002\u5408\u4f7f\u7528Mixin\u6765\u89e3\u51b3\u7684\u3002\u6211\u4eec\u628a\u8fd9\u4e2a\u9700\u6c42\u8f6c\u6362\u6210\u4e00\u4e2aVue\u95ee\u9898\uff1a\u5728\u6bcf\u4e2a\u8def\u7531\u9875\u9762\u4e2d\u589e\u52a0\u4e00\u4e2aplatform\u7684\u6837\u5f0fclass\uff08\u867d\u7136\u8fd9\u6837\u505a\u53ef\u80fd\u6ca1\u5b9e\u9645\u610f\u4e49\uff09\u3002\u5b9e\u73b0\u601d\u8def\u5c31\u662f\u4e3a\u6bcf\u4e2a\u8def\u7531\u7ec4\u4ef6\u589e\u52a0\u4e00\u4e2adata: platform\u3002\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n
\/\/ mixins\/platform.js\nconst getPlatform = () =&gt; {\n \/\/ \u5177\u4f53\u5b9e\u73b0\u7565\uff0c\u8fd9\u91ccmock\u8fd4\u56de'ios'\n return 'ios';\n};\n\nexport default {\n data() {\n return {\n  platform: getPlatform()\n }\n }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\/\/ \u5728\u8def\u7531\u7ec4\u4ef6\u4e2d\u4f7f\u7528\n\/\/ views\/index.vue\nimport platform from 'mixins\/platform';\n\nexport default {\n mixins: [platform],\n \/\/ ...\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\/\/ \u5728\u8def\u7531\u7ec4\u4ef6\u4e2d\u4f7f\u7528\n\/\/ views\/detail.vue\nimport platform from 'mixins\/platform';\n\nexport default {\n mixins: [platform],\n \/\/ ...\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u6837\uff0c\u5728index,detail\u4e24\u4e2a\u8def\u7531\u9875\u7684viewModel\u4e0a\u5c31\u90fd\u6709platform\u8fd9\u4e2a\u503c\uff0c\u53ef\u4ee5\u76f4\u63a5\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u3002<\/p>\n
vue\u4e2dmixin\u5206\u7c7b<\/strong><\/span><\/p>\n
    \n
  • \n
    data mixin<\/p>\n<\/li>\n
  • \n
    normal method mixin<\/p>\n<\/li>\n
  • \n
    lifecycle method mixin<\/p>\n<\/li>\n<\/ul>\n
    \u7528\u4ee3\u7801\u8868\u793a\u7684\u8bdd\uff0c\u5c31\u5982\uff1a<\/p>\n
    export default {\n data () {\n return {\n  platform: 'ios'\n }\n },\n\n methods: {\n sayHello () {\n  console.log(`hello!`)\n }\n },\n\n created () {\n console.log(`lifecycle3`)\n }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    vue\u4e2dmixin\u5408\u5e76\uff0c\u6267\u884c\u7b56\u7565<\/strong><\/span><\/p>\n
    \u5982\u679cmixin\u95f4\u51fa\u73b0\u4e86\u91cd\u590d\uff0c\u8fd9\u4e9bmixin\u4f1a\u6709\u5177\u4f53\u7684\u5408\u5e76\uff0c\u6267\u884c\u7b56\u7565\u3002\u5982\u4e0b\u56fe\uff1a<\/p>\n
    \"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b\u4e4b\u589e\u52a0mixin\u6269\u5c55\u63d2\u56fe\"<\/p>\n
    \u5982\u4f55\u8ba9\u5c0f\u7a0b\u5e8f\u652f\u6301mixin<\/strong><\/span><\/p>\n
    \u5728\u524d\u9762\uff0c\u6211\u4eec\u56de\u987e\u4e86vue\u4e2dmixin\u7684\u76f8\u5173\u77e5\u8bc6\u3002\u73b0\u5728\u6211\u4eec\u8981\u8ba9\u5c0f\u7a0b\u5e8f\u4e5f\u652f\u6301mixin\uff0c\u5b9e\u73b0vue\u4e2d\u4e00\u6837\u7684mixin\u529f\u80fd\u3002<\/p>\n
    \u5b9e\u73b0\u601d\u8def<\/strong><\/p>\n
    \u6211\u4eec\u5148\u770b\u4e00\u4e0b\u5b98\u65b9\u7684\u5c0f\u7a0b\u5e8f\u9875\u9762\u6ce8\u518c\u65b9\u5f0f\uff1a<\/p>\n
    Page({\n data: {\n text: \"This is page data.\"\n },\n onLoad: function(options) {\n \/\/ Do some initialize when page load.\n },\n onReady: function() {\n \/\/ Do something when page ready.\n },\n onShow: function() {\n \/\/ Do something when page show.\n },\n onHide: function() {\n \/\/ Do something when page hide.\n },\n onUnload: function() {\n \/\/ Do something when page close.\n },\n customData: {\n hi: 'MINA'\n }\n})<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5047\u5982\u6211\u4eec\u52a0\u5165mixin\u914d\u7f6e\uff0c\u4e0a\u9762\u7684\u5b98\u65b9\u6ce8\u518c\u65b9\u5f0f\u4f1a\u53d8\u6210\uff1a<\/p>\n
    Page({\n mixins: [platform],\n data: {\n text: \"This is page data.\"\n },\n onLoad: function(options) {\n \/\/ Do some initialize when page load.\n },\n onReady: function() {\n \/\/ Do something when page ready.\n },\n onShow: function() {\n \/\/ Do something when page show.\n },\n onHide: function() {\n \/\/ Do something when page hide.\n },\n onUnload: function() {\n \/\/ Do something when page close.\n },\n customData: {\n hi: 'MINA'\n }\n})<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u91cc\u6709\u4e24\u4e2a\u70b9\uff0c\u6211\u4eec\u8981\u7279\u522b\u6ce8\u610f\uff1a<\/strong><\/span><\/p>\n
      \n
    • \n
      Page(configObj) – \u901a\u8fc7configObj\u914d\u7f6e\u5c0f\u7a0b\u5e8f\u9875\u9762\u7684data, method, lifecycle\u7b49<\/p>\n<\/li>\n
    • \n
      onLoad\u65b9\u6cd5 – \u9875\u9762main\u5165\u53e3<\/p>\n<\/li>\n<\/ul>\n
      \u8981\u60f3\u8ba9mixin\u4e2d\u7684\u5b9a\u4e49\u6709\u6548\uff0c\u5c31\u8981\u5728configObj\u6b63\u5f0f\u4f20\u7ed9Page()\u4e4b\u524d\u505a\u6587\u7ae0\u3002\u5176\u5b9ePage(configObj)\u5c31\u662f\u4e00\u4e2a\u666e\u901a\u7684\u51fd\u6570\u8c03\u7528\uff0c\u6211\u4eec\u52a0\u4e2a\u4e2d\u95f4\u65b9\u6cd5\uff1a<\/p>\n
      Page(createPage(configObj))<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728createPage\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u9884\u5904\u7406configObj\u4e2d\u7684mixin\uff0c\u628a\u5176\u4e2d\u7684\u914d\u7f6e\u6309\u6b63\u786e\u7684\u65b9\u5f0f\u5408\u5e76\u5230configObj\u4e0a\uff0c\u6700\u540e\u4ea4\u7ed9Page() \u3002\u8fd9\u5c31\u662f\u5b9e\u73b0mixin\u7684\u601d\u8def\u3002<\/p>\n
      \u5177\u4f53\u5b9e\u73b0<\/strong><\/span><\/p>\n
      \u5177\u4f53\u4ee3\u7801\u5b9e\u73b0\u5c31\u4e0d\u518d\u8d58\u8ff0\uff0c\u53ef\u4ee5\u770b\u4e0b\u9762\u7684\u4ee3\u7801\u3002\u66f4\u8be6\u7ec6\u7684\u4ee3\u7801\u5b9e\u73b0\uff0c\u66f4\u591a\u6269\u5c55\uff0c\u6d4b\u8bd5\u53ef\u4ee5\u53c2\u770bgithub<\/p>\n
      \/**\n * \u4e3a\u6bcf\u4e2a\u9875\u9762\u63d0\u4f9bmixin\uff0cpage invoke\u6865\u63a5\n *\/\n\nconst isArray = v =&gt; Array.isArray(v);\nconst isFunction = v =&gt; typeof v === 'function';\nconst noop = function () {};\n\n\/\/ \u501f\u9274redux https:\/\/github.com\/reactjs\/redux\nfunction compose(...funcs) {\n if (funcs.length === 0) {\n return arg =&gt; arg;\n }\n\n if (funcs.length === 1) {\n return funcs[0];\n }\n\n const last = funcs[funcs.length - 1];\n const rest = funcs.slice(0, -1);\n return (...args) =&gt; rest.reduceRight((composed, f) =&gt; f(composed), last(...args));\n}\n\n\n\/\/ \u9875\u9762\u5806\u6808\nconst pagesStack = getApp().$pagesStack;\n\nconst PAGE_EVENT = ['onLoad', 'onReady', 'onShow', 'onHide', 'onUnload', 'onPullDownRefresh', 'onReachBottom', 'onShareAppMessage'];\nconst APP_EVENT = ['onLaunch', 'onShow', 'onHide', 'onError'];\n\nconst onLoad = function (opts) {\n \/\/ \u628apageModel\u653e\u5165\u9875\u9762\u5806\u6808\n pagesStack.addPage(this);\n\n this.$invoke = (pagePath, methodName, ...args) =&gt; {\n pagesStack.invoke(pagePath, methodName, ...args);\n };\n\n this.onBeforeLoad(opts);\n this.onNativeLoad(opts);\n this.onAfterLoad(opts);\n};\n\nconst getMixinData = mixins =&gt; {\n let ret = {};\n\n mixins.forEach(mixin =&gt; {\n let { data={} } = mixin;\n\n Object.keys(data).forEach(key =&gt; {\n  ret[key] = data[key];\n });\n });\n\n return ret;\n};\n\nconst getMixinMethods = mixins =&gt; {\n let ret = {};\n\n mixins.forEach(mixin =&gt; {\n let { methods={} } = mixin;\n\n \/\/ \u63d0\u53d6methods\n Object.keys(methods).forEach(key =&gt; {\n  if (isFunction(methods[key])) {\n  \/\/ mixin\u4e2d\u7684onLoad\u65b9\u6cd5\u4f1a\u88ab\u4e22\u5f03\n  if (key === 'onLoad') return;\n\n  ret[key] = methods[key];\n  }\n });\n\n \/\/ \u63d0\u53d6lifecycle\n PAGE_EVENT.forEach(key =&gt; {\n  if (isFunction(mixin[key]) &amp;&amp; key !== 'onLoad') {\n  if (ret[key]) {\n   \/\/ \u591a\u4e2amixin\u6709\u76f8\u540clifecycle\u65f6\uff0c\u5c06\u65b9\u6cd5\u8f6c\u4e3a\u6570\u7ec4\u5b58\u50a8\n   ret[key] = ret[key].concat(mixin[key]);\n  } else {\n   ret[key] = [mixin[key]];\n  }\n  }\n })\n });\n\n return ret;\n};\n\n\/**\n * \u91cd\u590d\u51b2\u7a81\u5904\u7406\u501f\u9274vue:\n * data, methods\u4f1a\u5408\u5e76\uff0c\u7ec4\u4ef6\u81ea\u8eab\u5177\u6709\u6700\u9ad8\u4f18\u5148\u7ea7\uff0c\u5176\u6b21mixins\u4e2d\u540e\u914d\u7f6e\u7684mixin\u4f18\u5148\u7ea7\u8f83\u9ad8\n * lifecycle\u4e0d\u4f1a\u5408\u5e76\u3002\u5148\u987a\u5e8f\u6267\u884cmixins\u4e2d\u7684lifecycle\uff0c\u518d\u6267\u884c\u7ec4\u4ef6\u81ea\u8eab\u7684lifecycle\n *\/\n\nconst mixData = (minxinData, nativeData) =&gt; {\n Object.keys(minxinData).forEach(key =&gt; {\n \/\/ page\u4e2d\u5b9a\u4e49\u7684data\u4e0d\u4f1a\u88ab\u8986\u76d6\n if (nativeData[key] === undefined) {\n  nativeData[key] = minxinData[key];\n }\n });\n\n return nativeData;\n};\n\nconst mixMethods = (mixinMethods, pageConf) =&gt; {\n Object.keys(mixinMethods).forEach(key =&gt; {\n \/\/ lifecycle\u65b9\u6cd5\n if (PAGE_EVENT.includes(key)) {\n  let methodsList = mixinMethods[key];\n\n  if (isFunction(pageConf[key])) {\n  methodsList.push(pageConf[key]);\n  }\n\n  pageConf[key] = (function () {\n  return function (...args) {\n   compose(...methodsList.reverse().map(f =&gt; f.bind(this)))(...args);\n  };\n  })();\n }\n\n \/\/ \u666e\u901a\u65b9\u6cd5\n else {\n  if (pageConf[key] == null) {\n  pageConf[key] = mixinMethods[key];\n  }\n }\n });\n\n return pageConf;\n};\n\nexport default pageConf =&gt; {\n\n let {\n mixins = [],\n onBeforeLoad = noop,\n onAfterLoad = noop\n } = pageConf;\n\n let onNativeLoad = pageConf.onLoad || noop;\n let nativeData = pageConf.data || {};\n\n let minxinData = getMixinData(mixins);\n let mixinMethods = getMixinMethods(mixins);\n\n Object.assign(pageConf, {\n data: mixData(minxinData, nativeData),\n onLoad,\n onBeforeLoad,\n onAfterLoad,\n onNativeLoad,\n });\n\n pageConf = mixMethods(mixinMethods, pageConf);\n\n return pageConf;\n};<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5c0f\u7ed3<\/strong><\/p>\n
      1\u3001\u672c\u6587\u4e3b\u8981\u8bb2\u4e86\u5982\u4f55\u4e3a\u5c0f\u7a0b\u5e8f\u589e\u52a0mixin\u652f\u6301\u3002\u5b9e\u73b0\u601d\u8def\u4e3a\uff1a\u9884\u5904\u7406configObj<\/p>\n
      Page(createPage(configObj))<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      2\u3001\u5728\u5904\u7406mixin\u91cd\u590d\u65f6\uff0c\u4e0evue\u4fdd\u6301\u4e00\u81f4\uff1a<\/p>\n
            data, methods\u4f1a\u5408\u5e76\uff0c\u7ec4\u4ef6\u81ea\u8eab\u5177\u6709\u6700\u9ad8\u4f18\u5148\u7ea7\uff0c\u5176\u6b21mixins\u4e2d\u540e\u914d\u7f6e\u7684mixin\u4f18\u5148\u7ea7\u8f83\u9ad8\u3002<\/p>\n
            lifecycle\u4e0d\u4f1a\u5408\u5e76\u3002\u5148\u987a\u5e8f\u6267\u884cmixins\u4e2d\u7684lifecycle\uff0c\u518d\u6267\u884c\u7ec4\u4ef6\u81ea\u8eab\u7684lifecycle\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff0c\u66f4\u591a\u76f8\u5173\u5185\u5bb9\u8bf7\u5173\u6ce8PHP\u4e2d\u6587\u7f51\uff01<\/p>\n
      \u76f8\u5173\u63a8\u8350\uff1a<\/p>\n
      <\/p>\n
      <\/p>\n
      <\/span><\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b\u4e4b\u589e\u52a0mixin\u6269\u5c55\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5173\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u6559\u7a0b\u4e4b\u589e\u52a0mixin\u6269\u5c55\uff0c\u6709\u7740\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b Mixin\u662f\u4e00\u79cd\u601d\u60f3,\u7528\u90e8\u5206\u5b9e\u73b0\u7684\u63a5\u53e3\u6765\u5b9e\u73b0\u4ee3\u7801\u590d\u7528\u3002\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u591a\u7ee7\u627f\u7684\u95ee\u9898,\u53c8\u53ef\u4ee5\u7528\u6765\u6269\u5c55\u529f\u80fd\u3002\u4e0b\u9762\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e86\u5173\u4e8e\u4e3a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u589e\u52a0mixin\u6269\u5c55\u7684\u76f8\u5173\u8d44\u6599\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u501f\u9274\uff0c\u4e0b\u9762\u6765\u4e00\u8d77\u770b\u770b\u5427\u3002 Mixin\u7b80\u4ecb Mixin\uff08\u7ec7\u5165\uff09\u6a21\u5f0f\u5e76\u4e0d\u662fGOF\u7684\u300a\u8bbe\u8ba1\u6a21\u5f0f\u300b\u5f52\u7eb3\u4e2d\u7684\u4e00\u79cd\uff0c\u4f46\u662f\u5728\u5404\u79cd\u8bed\u8a00\u4ee5\u53ca\u6846\u67b6\u90fd\u4f1a\u53d1\u73b0\u8be5\u6a21\u5f0f\uff08\u6216\u8005\u601d\u60f3\uff09\u7684\u4e00\u4e9b\u5e94\u7528\u3002\u7b80\u5355\u6765\u8bf4\uff0cMixin\u662f\u5e26\u6709\u5168\u90e8\u5b9e\u73b0\u6216\u8005\u90e8\u5206\u5b9e\u73b0\u7684\u63a5\u53e3\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u66f4\u597d\u7684\u4ee3\u7801\u590d\u7528\u3002 Mixin\u8fd9\u4e2a\u6982\u5ff5\u5728React, Vue\u4e2d\u90fd\u6709\u652f\u6301\uff0c\u5b83\u4e3a\u6211\u4eec\u62bd\u8c61\u4e1a\u52a1\u903b\u8f91\uff0c\u4ee3\u7801\u590d\u7528\u63d0\u4f9b\u4e86\u65b9\u4fbf\u3002\u7136\u800c\u5c0f\u7a0b\u5e8f\u539f\u751f\u6846\u67b6\u5e76\u6ca1\u76f4\u63a5\u652f\u6301Mixin\u3002\u6211\u4eec\u5148\u770b\u4e00\u4e2a\u5f88\u5b9e\u9645\u7684\u9700\u6c42\uff1a \u4e3a\u6240\u6709\u5c0f\u7a0b\u5e8f\u9875\u9762\u589e\u52a0\u8fd0\u884c\u73af\u5883class\uff0c\u4ee5\u65b9\u4fbf\u505a\u4e00\u4e9b\u6837\u5f0fhack\u3002\u5177\u4f53\u8bf4\u5c31\u662f\u5c0f\u7a0b\u5e8f\u5728\u4e0d\u540c\u7684\u8fd0\u884c\u73af\u5883\uff08\u5f00\u53d1\u8005\u5de5\u5177|iOS|Android\uff09\u8fd0\u884c\u65f6\uff0cplatform\u503c\u4e3a\u5bf9\u5e94\u7684\u8fd0\u884c\u73af\u5883\u503c\uff08”ios|android|devtools”\uff09 <view>  <!–\u9875\u9762\u6a21\u677f–> <\/view> \u767b\u5f55\u540e\u590d\u5236 \u56de\u987evue\u4e2dmixin\u7684\u4f7f\u7528 \u6587\u7ae0\u5f00\u59cb\u63d0\u5230\u7684\u95ee\u9898\u662f\u975e\u5e38\u9002\u5408\u4f7f\u7528Mixin\u6765\u89e3\u51b3\u7684\u3002\u6211\u4eec\u628a\u8fd9\u4e2a\u9700\u6c42\u8f6c\u6362\u6210\u4e00\u4e2aVue\u95ee\u9898\uff1a\u5728\u6bcf\u4e2a\u8def\u7531\u9875\u9762\u4e2d\u589e\u52a0\u4e00\u4e2aplatform\u7684\u6837\u5f0fclass\uff08\u867d\u7136\u8fd9\u6837\u505a\u53ef\u80fd\u6ca1\u5b9e\u9645\u610f\u4e49\uff09\u3002\u5b9e\u73b0\u601d\u8def\u5c31\u662f\u4e3a\u6bcf\u4e2a\u8def\u7531\u7ec4\u4ef6\u589e\u52a0\u4e00\u4e2adata: platform\u3002\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b\uff1a \/\/ mixins\/platform.js const getPlatform = () =&gt; {  \/\/ \u5177\u4f53\u5b9e\u73b0\u7565\uff0c\u8fd9\u91ccmock\u8fd4\u56de’ios’  return ‘ios’; }; export default {  data() {  return {   platform: getPlatform()  }  } } \u767b\u5f55\u540e\u590d\u5236 \/\/ \u5728\u8def\u7531\u7ec4\u4ef6\u4e2d\u4f7f\u7528 \/\/ views\/index.vue import platform from ‘mixins\/platform’; export default {  mixins: [platform],  \/\/ … } \u767b\u5f55\u540e\u590d\u5236 \/\/ \u5728\u8def\u7531\u7ec4\u4ef6\u4e2d\u4f7f\u7528 \/\/ views\/detail.vue import platform from ‘mixins\/platform’; export default {  mixins: [platform],  \/\/ … } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\uff0c\u5728index,detail\u4e24\u4e2a\u8def\u7531\u9875\u7684viewModel\u4e0a\u5c31\u90fd\u6709platform\u8fd9\u4e2a\u503c\uff0c\u53ef\u4ee5\u76f4\u63a5\u5728\u6a21\u677f\u4e2d\u4f7f\u7528\u3002 vue\u4e2dmixin\u5206\u7c7b data mixin normal method mixin lifecycle method mixin \u7528\u4ee3\u7801\u8868\u793a\u7684\u8bdd\uff0c\u5c31\u5982\uff1a export default { […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-31707","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=31707"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31707\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}