{"id":30402,"date":"2024-11-25T09:13:31","date_gmt":"2024-11-25T01:13:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/30402\/"},"modified":"2024-11-25T09:13:31","modified_gmt":"2024-11-25T01:13:31","slug":"%e5%be%ae%e4%bf%a1%e5%bc%80%e5%8f%91%e5%ae%9e%e6%88%98%e4%b9%8b%e6%a8%a1%e5%9d%97%e5%8c%96%e7%9a%84%e5%ae%9e%e4%be%8b%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/30402\/","title":{"rendered":"\u5fae\u4fe1\u5f00\u53d1\u5b9e\u6218\u4e4b\u6a21\u5757\u5316\u7684\u5b9e\u4f8b\u8be6\u89e3"},"content":{"rendered":"

\u6a21\u5757\u89c4\u8303<\/span><\/p>\n

\u5728\u4efb\u4f55\u4e00\u4e2a\u5927\u578b\u5e94\u7528\u4e2d\u6a21\u5757\u5316\u662f\u5f88\u5e38\u89c1\u7684\uff0c\u4e0e\u4e00\u4e9b\u66f4\u4f20\u7edf\u7684\u7f16\u7a0b\u8bed\u8a00\u4e0d\u540c\u7684\u662f\uff0cJavaScript \uff08ECMA-262\u7248\u672c\uff09\u8fd8\u4e0d\u652f\u6301\u539f\u751f\u7684\u6a21\u5757\u5316\u3002<\/p>\n

Javascript\u793e\u533a\u505a\u4e86\u5f88\u591a\u52aa\u529b\uff0c\u5728\u73b0\u6709\u7684\u8fd0\u884c\u73af\u5883\u4e2d\uff0c\u5b9e\u73b0”\u6a21\u5757”\u7684\u6548\u679c\u3002\u901a\u884c\u7684JavaScript\u6a21\u5757\u89c4\u8303\u4e3b\u8981\u6709\u4e24\u79cd\uff1aCommonJS\u3001AMD\u3001UMD\u3001CMD\u7b49<\/p>\n

CommonJS<\/span><\/h3>\n

CommonJS\u89c4\u8303\u662f\u670d\u52a1\u5668\u7aefJavascript\u6a21\u5757\u89c4\u8303\u3002<\/p>\n

Node.js\u7684\u6a21\u5757\u7cfb\u7edf\uff0c\u5c31\u662f\u53c2\u7167CommonJS\u89c4\u8303\u5b9e\u73b0\u7684\u3002NPM\u4e5f\u9075\u5faa\u4e86commonJS\u5b9a\u4e49\u7684\u5305\u89c4\u8303\uff0c\u4ece\u800c\u5f62\u6210\u4e86\u4e00\u5957\u5b8c\u6574\u7684\u751f\u6001\u7cfb\u7edf\u3002<\/p>\n

CommonJS\u5b9a\u4e49\u7684\u6a21\u5757\u5206\u4e3a:{\u6a21\u5757\u5f15\u7528()} {\u6a21\u5757\u5b9a\u4e49(exports)} {\u6a21\u5757\u6807\u8bc6(module)}\u3002require()\u7528\u6765\u5f15\u5165\u5916\u90e8\u6a21\u5757\uff1bexports\u5bf9\u8c61\u7528\u4e8e\u5bfc\u51fa\u5f53\u524d\u6a21\u5757\u7684\u65b9\u6cd5\u6216\u53d8\u91cf\uff0c\u552f\u4e00\u7684\u5bfc\u51fa\u53e3\uff1bmodule\u5bf9\u8c61\u5c31\u4ee3\u8868\u6a21\u5757\u672c\u8eab\u3002<\/p>\n

CommonJS\u89c4\u8303wiki.commonjs.org\/wiki…<\/p>\n

function MathClass() {\r\n}\r\nMathClass.PI = 3.14;\r\nMathClass.E = 2.72;\r\nMathClass.prototype.add = function(a, b) { return a+b;\r\n}; module.exports = MathClass;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
var MathClass = require('.\/mathCommonJS.js');\r\nPage( {\r\n    onLoad: function() { console.log( \"PI: \" +MathClass.PI ); var mathClass = new MathClass(); console.log( \"3 + 4: \" +mathClass.add(3, 4) );\r\n    }\r\n});<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
AMD<\/span><\/h3>\n
AMD\u662f”Asynchronous Module Definition”\u7684\u7f29\u5199\uff0c\u610f\u601d\u662f”\u5f02\u6b65\u6a21\u5757\u5b9a\u4e49”\uff0c\u662f\u524d\u7aef\u6a21\u5757\u89c4\u8303\u3002<\/p>\n
RequireJS\u5c31\u662f\u5b9e\u73b0\u4e86AMD\u89c4\u8303\u7684\u5462\u3002<\/p>\n
AMD\u89c4\u8303\u5b9a\u4e49\u4e86\u4e00\u4e2a\u81ea\u7531\u53d8\u91cf\u6216\u8005\u8bf4\u662f\u5168\u5c40\u53d8\u91cf define \u7684\u51fd\u6570\u3002<\/p>\n
define( id?, dependencies?, factory );<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \n
  • \n
    id \u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u8868\u793a\u4e86\u6a21\u5757\u6807\u8bc6\uff0c\u4e3a\u53ef\u9009\u53c2\u6570\u3002\u82e5\u4e0d\u5b58\u5728\u5219\u6a21\u5757\u6807\u8bc6\u5e94\u8be5\u9ed8\u8ba4\u5b9a\u4e49\u4e3a\u5728\u52a0\u8f7d\u5668\u4e2d\u88ab\u8bf7\u6c42\u811a\u672c\u7684\u6807\u8bc6\u3002\u5982\u679c\u5b58\u5728\uff0c\u90a3\u4e48\u6a21\u5757\u6807\u8bc6\u5fc5\u987b\u4e3a\u9876\u5c42\u7684\u6216\u8005\u4e00\u4e2a\u7edd\u5bf9\u7684\u6807\u8bc6\u3002<\/p>\n<\/li>\n
  • \n
    dependencies \uff0c\u662f\u4e00\u4e2a\u5f53\u524d\u6a21\u5757\u4f9d\u8d56\u7684\uff0c\u5df2\u88ab\u6a21\u5757\u5b9a\u4e49\u7684\u6a21\u5757\u6807\u8bc6\u7684\u6570\u7ec4\u5b57\u9762\u91cf\u3002<\/p>\n<\/li>\n
  • \n
    factory\uff0c\u662f\u4e00\u4e2a\u9700\u8981\u8fdb\u884c\u5b9e\u4f8b\u5316\u7684\u51fd\u6570\u6216\u8005\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<\/ul>\n
    AMD\u89c4\u8303 github.com\/amdjs\/amdj…<\/p>\n
    define('mathAMD', [], function( i ) { function MathClass() {\r\n    }\r\n    MathClass.PI = 3.14;\r\n    MathClass.E = 2.72;\r\n    MathClass.prototype.add = function( a, b ) { return a + b;\r\n    }; return MathClass;\r\n});<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    define( [ \"mathAMD\" ], function( require, exports, MathClass ) {\r\n    Page( {\r\n        onLoad: function() { console.log( \"PI: \" + MathClass.PI ); var mathClass = new MathClass(); console.log( \"3 + 4: \" + mathClass.add( 3, 4 ) );\r\n        }\r\n    });\r\n\r\n});<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    UMD<\/span><\/h3>\n
    CommonJS module\u4ee5\u670d\u52a1\u5668\u7aef\u4e3a\u7b2c\u4e00\u7684\u539f\u5219\u53d1\u5c55\uff0c\u9009\u62e9\u540c\u6b65\u52a0\u8f7d\u6a21\u5757\u3002\u5b83\u7684\u6a21\u5757\u662f\u65e0\u9700\u5305\u88c5\u7684,\u4f46\u5b83\u4ec5\u652f\u6301\u5bf9\u8c61\u7c7b\u578b\uff08s\uff09\u6a21\u5757\u3002AMD\u4ee5\u6d4f\u89c8\u5668\u4e3a\u7b2c\u4e00\uff08browser-first\uff09\u7684\u539f\u5219\u53d1\u5c55\uff0c\u9009\u62e9\u5f02\u6b65\u52a0\u8f7d\u6a21\u5757\u3002\u5b83\u7684\u6a21\u5757\u652f\u6301\u5bf9\u8c61\u3001\u51fd\u6570\u3001\u6784\u9020\u5668\u3001\u5b57\u7b26\u4e32\u3001\u7b49\u5404\u79cd\u7c7b\u578b\u7684\u6a21\u5757,\u56e0\u6b64\u5728\u6d4f\u89c8\u5668\u4e2d\u5b83\u975e\u5e38\u7075\u6d3b\u3002\u8fd9\u8feb\u4f7f\u4eba\u4eec\u60f3\u51fa\u53e6\u4e00\u79cd\u66f4\u901a\u7528\u683c\u5f0f UMD(Universal Module Definition)\uff0c\u5e0c\u671b\u63d0\u4f9b\u4e00\u4e2a\u524d\u540e\u7aef\u8de8\u5e73\u53f0\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
    (function (root, factory) { if (typeof define === 'function' &amp;&amp; define.amd) {       \r\n        define(['jquery'], factory);\r\n    } else if (typeof exports === 'object') { module.exports = factory(require('jquery'));\r\n    } else {       \r\n        root.returnExports = factory(root.jQuery);\r\n    }\r\n}(this, function ($) { function myFunc(){}; return myFunc;\r\n}));<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    UMD\u7684\u5b9e\u73b0\u5f88\u7b80\u5355\uff0c\u5148\u5224\u65ad\u662f\u5426\u652f\u6301AMD\uff08define\u662f\u5426\u5b58\u5728\uff09\uff0c\u5b58\u5728\u5219\u4f7f\u7528AMD\u65b9\u5f0f\u52a0\u8f7d\u6a21\u5757\u3002\u518d\u5224\u65ad\u662f\u5426\u652f\u6301Node.js\u6a21\u5757\u683c\u5f0f\uff08exports\u662f\u5426\u5b58\u5728\uff09\uff0c\u5b58\u5728\u5219\u4f7f\u7528Node.js\u6a21\u5757\u683c\u5f0f\u3002\u524d\u4e24\u4e2a\u90fd\u4e0d\u5b58\u5728\uff0c\u5219\u5c06\u6a21\u5757\u516c\u5f00\u5230\u5168\u5c40\uff08window\u6216global\uff09\u3002<\/p>\n
    ( function( global, factory ) { if( typeof define === 'function' &amp;&amp; define.amd ) {\r\n        define( factory );\r\n    } else if( typeof exports === 'object' ) { module.exports = factory();\r\n    } else {\r\n        root.returnExports = factory();\r\n    }\r\n    \r\n} ( this, function() { function MathClass() {\r\n    }\r\n    MathClass.PI = 3.14;\r\n    MathClass.E = 2.72;\r\n    MathClass.prototype.add = function( a, b ) { return a + b;\r\n    }; return MathClass;\r\n}) );<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    var MathClass = require( '.\/mathUMD.js' );\r\nPage( {\r\n    onLoad: function() { console.log( \"PI: \" + MathClass.PI ); var mathClass = new MathClass(); console.log( \"3 + 4: \" + mathClass.add( 3, 4 ) );\r\n    }\r\n});<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    CMD<\/span><\/h3>\n
    CMD \u5373Common Module Definition\u901a\u7528\u6a21\u5757\u5b9a\u4e49\uff0cCMD\u89c4\u8303\u662f\u56fd\u5185\u53d1\u5c55\u51fa\u6765\u7684\uff0c\u5c31\u50cfAMD\u6709\u4e2arequireJS\uff0cCMD\u6709\u4e2a\u6d4f\u89c8\u5668\u7684\u5b9e\u73b0SeaJS\uff0cSeaJS\u8981\u89e3 \u51b3\u7684\u95ee\u9898\u548crequireJS\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u5728\u6a21\u5757\u5b9a\u4e49\u65b9\u5f0f\u548c\u6a21\u5757\u52a0\u8f7d\uff08\u53ef\u4ee5\u8bf4\u8fd0\u884c\u3001\u89e3\u6790\uff09\u65f6\u673a\u4e0a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n
    Sea.js \u63a8\u5d07\u4e00\u4e2a\u6a21\u5757\u4e00\u4e2a\u6587\u4ef6\uff0c\u9075\u5faa\u7edf\u4e00\u7684\u5199\u6cd5<\/p>\n
    define(id?, deps?, factory)<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u56e0\u4e3aCMD\u63a8\u5d07\u4e00\u4e2a\u6587\u4ef6\u4e00\u4e2a\u6a21\u5757\uff0c\u6240\u4ee5\u7ecf\u5e38\u5c31\u7528\u6587\u4ef6\u540d\u4f5c\u4e3a\u6a21\u5757id,CMD\u63a8\u5d07\u4f9d\u8d56\u5c31\u8fd1\uff0c\u6240\u4ee5\u4e00\u822c\u4e0d\u5728define\u7684\u53c2\u6570\u4e2d\u5199\u4f9d\u8d56\uff0c\u5728factory\u4e2d\u5199\u3002<\/p>\n
    factory\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u6709\u4e09\u4e2a\u53c2\u6570\uff0cfunction(require, exports, module)<\/p>\n
      \n
    • \n
      require \u662f\u4e00\u4e2a\u65b9\u6cd5\uff0c\u63a5\u53d7 \u6a21\u5757\u6807\u8bc6 \u4f5c\u4e3a\u552f\u4e00\u53c2\u6570\uff0c\u7528\u6765\u83b7\u53d6\u5176\u4ed6\u6a21\u5757\u63d0\u4f9b\u7684\u63a5\u53e3<\/p>\n<\/li>\n
    • \n
      exports \u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u7528\u6765\u5411\u5916\u63d0\u4f9b\u6a21\u5757\u63a5\u53e3<\/p>\n<\/li>\n
    • \n
      module \u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4e0a\u9762\u5b58\u50a8\u4e86\u4e0e\u5f53\u524d\u6a21\u5757\u76f8\u5173\u8054\u7684\u4e00\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5<\/p>\n<\/li>\n<\/ul>\n
      CMD\u6a21\u5757\u89c4\u8303 https:\/\/github.com\/cmdjs\/spec…<\/p>\n
      define( \"pages\/module\/mathCMD.js\", function( require, exports, module ) { function MathClass() {\r\n    }\r\n    MathClass.PI = 3.14;\r\n    MathClass.E = 2.72;\r\n    MathClass.prototype.add = function( a, b ) { return a + b;\r\n    }; module.exports = MathClass;\r\n})<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      define( \"pages\/module\/mathCMD.js\", function( require, exports, module ) { function MathClass() {\r\n    }\r\n    MathClass.PI = 3.14;\r\n    MathClass.E = 2.72;\r\n    MathClass.prototype.add = function( a, b ) { return a + b;\r\n    }; module.exports = MathClass;\r\n})<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6a21\u5757\u5316\u673a\u5236<\/span><\/h2>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u79c9\u627f\u4e86JavaScript\u6a21\u5757\u5316\u7684\u673a\u5236\uff0c\u901a\u8fc7module.exports\u66b4\u9732\u5bf9\u8c61\uff0c\u901a\u8fc7require\u6765\u83b7\u53d6\u5bf9\u8c61\u3002<\/p>\n
      \u6a21\u5757\u5f00\u53d1<\/span><\/h3>\n
      \u4ee5\u5fae\u4fe1\u5c0f\u7a0b\u5e8fQuickStart\u4e3a\u4f8b\uff0c\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6a21\u5757\u91c7\u7528CommonJS\u89c4\u8303<\/p>\n
      utils\/util.js<\/p>\n
      function formatTime(date) { var year = date.getFullYear() var month = date.getMonth() + 1 var day = date.getDate() var hour = date.getHours() var minute = date.getMinutes() var second = date.getSeconds(); return [year, month, day].map(formatNumber).join('\/') + ' ' + [hour, minute, second].map(formatNumber).join(':')\r\n} function formatNumber(n) {\r\n  n = n.toString() return n[1] ? n : '0' + n\r\n} module.exports = {\r\n  formatTime: formatTime\r\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      pages\/log\/log.js<\/p>\n
      var util = require('..\/..\/utils\/util.js')\r\nPage({\r\n  data: {\r\n    logs: []\r\n  },\r\n  onLoad: function () { this.setData({\r\n      logs: (wx.getStorageSync('logs') || []).map(function (log) { return util.formatTime(new Date(log))\r\n      })\r\n    })\r\n  }\r\n})<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6a21\u5757\u8fd0\u884c<\/span><\/h3>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd8\u662f\u8981\u4ee5\u524d\u7aef\u7a0b\u5e8f\u65b9\u5f0f\u5728\u5fae\u4fe1\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0c\u7531\u4e8eCommonJS\u89c4\u8303\u662f\u670d\u52a1\u5668\u7aef\u6a21\u5757\u89c4\u8303\uff0c\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u524d\u7aef\u6a21\u5757\u89c4\u8303\u3002<\/p>\n
      \u4ee5\u5fae\u4fe1\u5c0f\u7a0b\u5e8fQuickStart\u65f6\u4ee3\u7801\u4e3a\u4f8b<\/p>\n
      utils\/util.js<\/p>\n
      define(\"utils\/util.js\", function(require, module) { var window = { Math: Math }\/*\u517c\u5bb9babel*\/ , location, document, navigator, self, localStorage, history, Caches; function formatTime(date) { var year = date.getFullYear() var month = date.getMonth() + 1 var day = date.getDate() var hour = date.getHours() var minute = date.getMinutes() var second = date.getSeconds(); return [year, month, day].map(formatNumber).join('\/') + ' ' + [hour, minute, second].map(formatNumber).join(':')\r\n    } function formatNumber(n) {\r\n        n = n.toString() return n[1] ? n : '0' + n\r\n    } module.exports = {\r\n        formatTime: formatTime\r\n    }\r\n})<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      pages\/log\/log.js<\/p>\n
      define(\"pages\/logs\/logs.js\", function(require, module) { var window = { Math: Math }\/*\u517c\u5bb9babel*\/ , location, document, navigator, self, localStorage, history, Caches; var util = require('..\/..\/utils\/util.js')\r\n    Page({\r\n        data: {\r\n            logs: []\r\n        },\r\n        onLoad: function() { this.setData({\r\n                logs: (wx.getStorageSync('logs') || []).map(function(log) { return util.formatTime(new Date(log))\r\n                })\r\n            })\r\n        }\r\n    })\r\n}); require(\"pages\/logs\/logs.js\")<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u7684\u4ee3\u7801\u4e0eCMD\u6a21\u5757\u89c4\u8303\u57fa\u672c\u7b26\u5408\u3002<\/p>\n
      \u4f7f\u7528\u7b2c\u4e09\u65b9\u6a21\u5757<\/span><\/h3>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd0\u884c\u73af\u5883exports\u3001module\u6ca1\u6709\u5b9a\u4e49\uff0c\u65e0\u6cd5\u901a\u8fc7require\u5bfc\u5165\u6a21\u5757\uff0c\u9700\u8981\u5bf9\u7b2c\u4e09\u65b9\u6a21\u5757\u5f3a\u5236\u5bfc\u51fa\u540e\u624d\u80fd\u6b63\u5e38\u5bfc\u5165\u3002<\/p>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4f7f\u7528Immutable.js segmentfault.com\/a\/11…<\/p>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4f7f\u7528Underscore.js segmentfault.com\/a\/11…<\/p>\n
      ECMAScript 6\u6a21\u5757\u7cfb\u7edf<\/span><\/h2>\n
      ECMAScript 6\uff0c\u6a21\u5757\u88ab\u4f5c\u4e3a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u52a0\u5165\u5176\u4e2d\u3002<\/p>\n
      ES6\u7684\u6a21\u5757\u63d0\u4f9b\u4e862\u4e2a\u65b0\u7684\u8bed\u6cd5\uff0c\u5206\u522b\u662fexport\u548cimport\u3002<\/p>\n
      export \u6a21\u5757\u5bfc\u51fa<\/p>\n
      export let a = 1; export class A {}; export let b = () =&gt; {};<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      import \u6a21\u5757\u5bfc\u5165<\/p>\n
      import {a} from '.\/a'; console.log(a); import * as obj from '.\/a'; console.log(obj.a);<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fd8\u6ca1\u5b9e\u73b0ECMAScript 6\u3002<\/p>\n
      \u3010\u76f8\u5173\u63a8\u8350\u3011<\/p>\n
      1. <\/p>\n
      2. <\/p>\n
      3. <\/p>\n
      4. <\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5f00\u53d1\u5b9e\u6218\u4e4b\u6a21\u5757\u5316\u7684\u5b9e\u4f8b\u8be6\u89e3\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":"
      \u6a21\u5757\u89c4\u8303 \u5728\u4efb\u4f55\u4e00\u4e2a\u5927\u578b\u5e94\u7528\u4e2d\u6a21\u5757\u5316\u662f\u5f88\u5e38\u89c1\u7684\uff0c\u4e0e\u4e00\u4e9b\u66f4\u4f20\u7edf\u7684\u7f16\u7a0b\u8bed\u8a00\u4e0d\u540c\u7684\u662f\uff0cJavaScript \uff08ECMA-262\u7248\u672c\uff09\u8fd8\u4e0d\u652f\u6301\u539f\u751f\u7684\u6a21\u5757\u5316\u3002 Javascript\u793e\u533a\u505a\u4e86\u5f88\u591a\u52aa\u529b\uff0c\u5728\u73b0\u6709\u7684\u8fd0\u884c\u73af\u5883\u4e2d\uff0c\u5b9e\u73b0”\u6a21\u5757”\u7684\u6548\u679c\u3002\u901a\u884c\u7684JavaScript\u6a21\u5757\u89c4\u8303\u4e3b\u8981\u6709\u4e24\u79cd\uff1aCommonJS\u3001AMD\u3001UMD\u3001CMD\u7b49 CommonJS CommonJS\u89c4\u8303\u662f\u670d\u52a1\u5668\u7aefJavascript\u6a21\u5757\u89c4\u8303\u3002 Node.js\u7684\u6a21\u5757\u7cfb\u7edf\uff0c\u5c31\u662f\u53c2\u7167CommonJS\u89c4\u8303\u5b9e\u73b0\u7684\u3002NPM\u4e5f\u9075\u5faa\u4e86commonJS\u5b9a\u4e49\u7684\u5305\u89c4\u8303\uff0c\u4ece\u800c\u5f62\u6210\u4e86\u4e00\u5957\u5b8c\u6574\u7684\u751f\u6001\u7cfb\u7edf\u3002 CommonJS\u5b9a\u4e49\u7684\u6a21\u5757\u5206\u4e3a:{\u6a21\u5757\u5f15\u7528()} {\u6a21\u5757\u5b9a\u4e49(exports)} {\u6a21\u5757\u6807\u8bc6(module)}\u3002require()\u7528\u6765\u5f15\u5165\u5916\u90e8\u6a21\u5757\uff1bexports\u5bf9\u8c61\u7528\u4e8e\u5bfc\u51fa\u5f53\u524d\u6a21\u5757\u7684\u65b9\u6cd5\u6216\u53d8\u91cf\uff0c\u552f\u4e00\u7684\u5bfc\u51fa\u53e3\uff1bmodule\u5bf9\u8c61\u5c31\u4ee3\u8868\u6a21\u5757\u672c\u8eab\u3002 CommonJS\u89c4\u8303wiki.commonjs.org\/wiki… function MathClass() { } MathClass.PI = 3.14; MathClass.E = 2.72; MathClass.prototype.add = function(a, b) { return a+b; }; module.exports = MathClass; \u767b\u5f55\u540e\u590d\u5236 var MathClass = require(‘.\/mathCommonJS.js’); Page( { onLoad: function() { console.log( “PI: ” +MathClass.PI ); var mathClass = new MathClass(); console.log( “3 + 4: ” +mathClass.add(3, 4) ); } }); \u767b\u5f55\u540e\u590d\u5236 AMD AMD\u662f”Asynchronous Module Definition”\u7684\u7f29\u5199\uff0c\u610f\u601d\u662f”\u5f02\u6b65\u6a21\u5757\u5b9a\u4e49”\uff0c\u662f\u524d\u7aef\u6a21\u5757\u89c4\u8303\u3002 RequireJS\u5c31\u662f\u5b9e\u73b0\u4e86AMD\u89c4\u8303\u7684\u5462\u3002 AMD\u89c4\u8303\u5b9a\u4e49\u4e86\u4e00\u4e2a\u81ea\u7531\u53d8\u91cf\u6216\u8005\u8bf4\u662f\u5168\u5c40\u53d8\u91cf define […]<\/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-30402","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/30402","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=30402"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/30402\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=30402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=30402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=30402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}