JavaScript类继承及实例化的方法

(function(){  var Class = {    //扩展类    create: function(aBaseClass, aClassDefine){      var $class = function(){        for(var member in aClassDefine){          this[member] = aClassDefine[member];        }        if('undefined'===typeof aClassDefine.initialize){          this.initialize = function(){};        }      };      if('function' ===typeof aBaseClass){                $class.prototype = new aBaseClass();              }else if('object' ===typeof aBaseClass){        $class.prototype = aBaseClass;      }          return $class;    },    //实例化类    new: function(jclass,args){      var jclass = new jclass();      if(jclass.initialize){        jclass.initialize.apply(jclass, args);      }      return jclass;    }  };  //export  window.Class = Class;})();

//基类对象或函数var obj = {  name: 'BaseName',  init: function(){    //...    },  //...};var fun = function(){  this.name = '';  var init = function(){    //..  .  };  var getName = function(){    return this.name;  },  var setName = function(name){    this.name = name;    return this;//链式操作支持  },  //...};//从Object继承var class_frome_obj = Class.create(obj,{  initialize: function(){    //构造函数  },  getName: function(){    return this.name;  },  setName: function(name){    this.name = name;    return this;//链式操作支持  },  //...});//从Function继承var class_frome_fun = Class.create(fun,{  initialize: function(){    //构造函数  },  //...});//从空对生成基类var class_frome_base = Class.create({},{  initialize: function(){    //构造函数  },  //...});//实例化var get_class_frome_obj = Class.new(class_frome_obj,[arg1,arg2,...]);var get_class_frome_fun = Class.new(class_frome_fun,[arg1,arg2,...]);var name1 = get_class_frome_obj.getName();//console.log(name1);//BaseNamevar name2 = get_class_frome_obj.setName('NewName').getName();//console.log(name2);//NewName