我想动态地创建getter/setter方法来检索私有(private)属性。这是我做的。首先,我制作了这个类:functionwinClass(posX,posY,w,h){varx=posX||0;vary=posY||0;varwidth=w||0;varheight=h||0;}然后我用getter/setter方法扩展了winClass,如下:winClass.prototype.getX=function(){returnx;}winClass.prototype.setX=function(val){x=val;}然后我测试了:varwin1=newwinClass(10