javascript 虚拟创建HashMap对象

 

/*******************************************************************************
 * 虚拟创建HashMap对象
 * @author DT 2011-12-17
 * @version 1.0
 * 
 * 说明：
 * HashMap有两个Array数组构成 分别保存key、value
 * 场景:
 * 数据封装、解析
 * 
 *******************************************************************************/
function HashMap() {
	this.arrKey = new Array();
	this.arrValue = new Array();
	this.exists = function(strKey) {
		strKey = strKey.toUpperCase();
		for (var i = 0;i < this.arrKey.length; i++) {
			if (this.arrKey[i] == strKey) {
				return true;
			}
		}
		return false;
	};
	this.length = function() {
		return this.arrKey.length;
	};
	this.put = function(strKey, objValue) {
		strKey = strKey.toUpperCase();
		for (var i = 0;i < this.arrKey.length; i++) {
			if (this.arrKey[i] == strKey) {
				this.arrValue[i] = objValue;
				return;
			}
		}
		this.arrKey[this.arrKey.length] = strKey;
		this.arrValue[this.arrValue.length] = objValue;
	};
	this.get = function(strKey) {
		strKey = strKey.toUpperCase();
		for (var i = 0;i < this.arrKey.length; i++) {
			if (this.arrKey[i] == strKey) {
				return this.arrValue[i];
			}
		}
		return null;
	};
	this.remove = function(strKey) {
		strKey = strKey.toUpperCase();
		for (var i = 0;i < this.arrKey.length; i++) {
			if (this.arrKey[i] == strKey) {
				this.arrKey.splice(i, 1);
				this.arrValue.splice(i, 1);
				return;
			}
		}
	};
	this.getKeys = function() {
		return this.arrKey;
	};
	this.getValues = function() {
		return this.arrValue;
	};
}