function printObject(obj){
//obj = {"cid":"C0","ctext":"区县"};
    var temp = "";
    for(var i in obj){//用javascript的for/in循环遍历对象的属性
        temp += i+":"+obj[i]+"\n";
    }
    alert(temp);//结果：cid:C0 \n ctext:区县
}