ajax.js

企业人力资源管理

//创建 XMLHttpRequest 对象
function createRequest() {
	var http_request = false;
	if (window.XMLHttpRequest) {
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType("text/xml");
		}
	} else {
		if (window.ActiveXObject) {
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch (ex) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				}
				catch (e) {
				}
			}
		} else {
			if (!http_request) {
				alert("XMLHttpRequest is null");
				return false;
			}
		}
	}
	return http_request;
}
//使用 Ajax 对象
function CreateMyAjax() {
	var http_request = false;
	this.returnText = null;
	var Obj;
	this.sendMessage = function (url, method, text, o) {
		var re = /(^text$)|(^xml$)/gi;
		if (!re.test(text)) {
			return alert("Please select request type (text/xml)?");
		}
		Obj = o;
		http_request = createRequest();
		http_request.onreadystatechange = function () {
			state(text);
		};
		http_request.open(method, url, "true");
		http_request.setRequestHeader("If-Modified-Since", "0");
		http_request.send();
	};
	function state(text) {
		if (http_request.readyState == 4) {
			if (http_request.status == 200) {
				if ("text" == text) {
					this.returnText = http_request.responseText;
				} else {
					if ("xml" == text) {
						this.returnText = http_request.responseXml;
					}
				}
				Obj.result = this.returnText;
				Obj.doResult();
			}
		}
	}
}
//处理方法
function Result(id) {
	this.result = "";
	this.doResult = function () {
	};
}
/*以下的element,remove_item方法是级联脚本中需要共用的方法*/
	
//项数据模型
function element(id, name) {
	this.id = id;
	this.name = name;
}

//移除对象中的项
function remove_item(obj) {
	for (var i in obj.options) {
		obj.remove(i);
	}
	obj.options.add(new Option("--\u8bf7\u9009\u62e9\u5408\u9002\u7684\u9009\u9879--", ""));
}