1 //封装http请求键值对的函数
2 function Map() {
3 this.keys = new Array();
4 this.data = {};
5 //添加键值对
6 this.put = function(key, value) {
7 if (this.data[key] == null) { //如键不存在则给键域数组添加键名
8 this.keys.push(key);
9 }
10 this.data[key] = value; //给键索引对应的值域赋值
11 };
12 //获取键对应的值
13 this.get = function(key) {
14 return this.data[key];
15 };
16 //去除键值，(去除键数据中的键名及对应的值)
17 this.remove = function(key) {
18 this.keys.remove(key);
19 this.data[key] = null;
20 };
21 //判断键值元素是否为空
22 this.isEmpty = function() {
23 return this.keys.length == 0;
24 };
25 //获取键值元素大小
26 this.size = function() {
27 return this.keys.length;
28 };
29 }
