javascript模拟C#继承练习

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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><script type="text/javascript">var o={say:function(){if (this.name && this.age && this.sex){alert('名字叫:'+this.name+',今年:'+this.age+'岁了,是个'+this.sex+'的');}else{alert('参数不完整');}},getName:function() //仿C#属性{if (this.name) return this.name;},setName:function(name){if (name){this.name=name;}},getAge:function(){if (this.age) return this.age;},setAge:function(age){if (age){ this.age=age;}},setSex:function(sex){if (sex){this.sex=sex;}},getSex:function(){if (this.sex) return sex;}};var Person=function(name,age,sex) //构造函数{ this.name=name;this.age=age;this.sex=sex;};Person.prototype=o; //原型链接var p1 = new Person("john",18,'男');var inherited=function(add){if (add) {this.add=add;}var old=this.say;this.say=function() //模拟C#重写函数{old.apply(this,[]);if (this.add) {alert('地址在'+this.add);}}}p1.say(); //继承前inherited.call(p1,"XX中街XX号"); //继承p1,增加一个地址p1.say();</script></head><body></body></html>

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