参考回答：
(1)通过defineProperty来实现
obj={name:yuxiaoliang,getName:function(){return this.name}}object.defineProperty(obj,"name",{//不可枚举不可配置});
(2)通过函数的创建形式
function product(){var name='yuxiaoliang';this.getName=function(){return name;}}var obj=new product()
