web前端|js教程
面向对象
web前端-js教程
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var orchard = function (){ //基类型构造函数代理 静态方法都在代理函数上
this.constructor && this.constructor.apply(this,arguments);
};
orchard.extend = function() {
var parentObj = this;
var parameters = parentObj.parameters ?
parentObj.parameters.concat(_.toArray(arguments)) : _.toArray(arguments);
var thisObj = function(){ //继承类型构造函数代理
var newparameters = parameters.concat(_.toArray(arguments));
this.constructor && this.constructor.apply(this,newparameters);
};
_.extend(thisObj,parentObj);
_.extend(thisObj.prototype,parentObj.prototype);
thisObj.parameters = parameters;
thisObj.base = thisObj.prototype.base = parentObj; //基类型的代理函数
thisObj.supper = thisObj.prototype.supper = parentObj.prototype; //基类型的构造函数 类成员都在构造函数上
return thisObj;
};
orchard.define = function(object){
if(typeof object === "undefined") object = {constructor: function(){}};
this.prototype = object.constructor;
this.prototype.constructor = this.prototype;
for(var name in this.base)
if(typeof this[name] === "undefined")
this[name] = this.base[name];
for(var name in this.supper)
if(typeof this.prototype[name] === "undefined")
this.prototype[name] = this.supper[name];
for(var i = 0; i < arguments.length; i++)
_.extend(this.prototype,arguments[i]);
this.prototype.base = this.base;
this.prototype.supper = this.supper;
this.supper = undefined;
delete this.supper;
return this;
};
orchard.definenew = function(){
var newclass = this.extend();
return define.apply(newclass,arguments);
};
调用：
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var Person = orchard.definenew({
constructor: function(name){
this.name = name;
},
say: function(){ return "Hello, im " + name;}
});
var aBen = Person.extend("aBen");
aBen.define({
constructor: function(){
this.supper.apply(this,arguments);
}
});
var aben = new aBen();
alert(aben.say());
思路就是这样的，代码没验证过。分享的思路，大家自己看着办。哈哈~~
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