js简易反射类

<script type="text/javascript">
//反射类
function Reflector()
{
Reflector.getType=function(obj)
{
if (obj == null) {
return null;
} else if (obj instanceof Object) {
return obj.constructor;
} else if (obj.tagName != null) {
return obj.tagName;
} else {
return typeof(obj);
}
}
Reflector.getAttributes=function(obj)
{
var methods = new Array();
for (key in obj) {
methods.push(new Type(obj[key], this.getType(obj[key]), key));
}
return methods;
}
Reflector.getAttributeNames=function(obj)
{
var methods = new Array();
for (key in obj) {
methods.push(key);
}
return methods;
}
}
function Type(entity, type, name)
{
this.Entity = entity;
this.Type = type;
this.Name = name;
}


//使用示例
var oRef = new Reflector();
var arrRef = Reflector.getAttributes(obj);
var str = '';
for(var i=0;i<arrRef.length;i++)
{
str += arrRef[i].Type+" : "+arrRef[i].Name+"/n";
}
alert(str);
</script>