/** zhang jinhao 2009-09-23 **/ //支持不同浏览器 function GetXmlHttpObject() { var xmlHttp = null; try { // Firefox, Opera 8.0+, Safari xmlHttp = new XMLHttpRequest(); } catch (e) { // Internet Explorer try { xmlHttp = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); } } return xmlHttp; } function loadPage(url, request, container, show_loading) { if (container == null) { container = _defualMethod; } ajaxLoadPage(url, request, "post", container, true, show_loading); } function _defualMethod(res) { } //ajax请求服务器 //url 请求地址 //request 请求参数格式:name=张三&password=123456 //method 请求方式:post,get //container 响应方法带参如 container(res) //asynchronism 是否进行异步操作（true or false） function ajaxLoadPage(url, request, method, container, asynchronism, show_loading) { url=encodeURI(url); request=encodeURI(request); method = method.toUpperCase(); var loading_msg = "loading";//the text shows on the container on loading. var _client_browser = 0; var loader = GetXmlHttpObject();//require Cross-Browser XMLHttpRequest if (loader == null) { alert("\u60a8\u7684\u6d4f\u89c8\u5668\u4e0d\u652f\u6301AJAX\uff01"); return; } if (method == "GET") { urls = url.split("?"); if (urls[1] == "" || typeof urls[1] == "undefined") { url = urls[0] + "?" + request; } else { url = urls[0] + "?" + urls[1] + "&" + request; } request = null;//for GET method,loader should send NULL } loader.open(method, url, asynchronism); if (method == "POST") { loader.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); } else { loader.setRequestHeader("Content-Type", "text/html;charset=utf-8"); } loader.onreadystatechange = function () { _client_browser = 1; var demo = loader.readyState; if (demo == 1) { if (show_loading != null && show_loading) { try { diyLoading(); } catch (e) { } } else { container(loading_msg); } return; } if (demo == 4) { if (show_loading != null && show_loading) { try { _loadingNone(); } catch (e) { } } var res = loader.responseText; if (res.indexOf("") != -1) { try { window.parent.location.href = "/"; } catch (e) { window.location.href = "/"; } } else { container(res); } } }; loader.send(request); if (!asynchronism && _client_browser == 0) { var res = loader.responseText; if (res.indexOf("") != -1) { try { window.parent.location.href = "/index/login.htm"; } catch (e) { window.location.href = "/index/login.htm"; } } else { container(res); } } } //拼接表单参数 function formToRequestString(form_obj) { var query_string = ""; var and = ""; for (i = 0; i < form_obj.length; i++) { e = form_obj[i]; if (e.name != "") { if (e.type == "select-one") { try { element_value = e.options[e.selectedIndex].value; } catch (e) { } } else { if (e.type == "checkbox" || e.type == "radio") { if (!e.checked) { continue; } element_value = e.value; } else { element_value = e.value; } } query_string += and + e.name + "=" + element_value.replace(/\&/g, "%26"); and = "&"; } } return query_string; } //表单提交方法 //form_obj 表单对象 //container 响应方法带参如 container(res) function ajaxFormSubmit(form_obj, container, show_loading) { ajaxLoadPage(form_obj.getAttributeNode("action").value, formToRequestString(form_obj), "post", container, true, show_loading); } function loadXMLDoc(text) { try { //Internet Explorer xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); xmlDoc.async = "false"; xmlDoc.loadXML(text); return xmlDoc; } catch (e) { try { //Firefox, Mozilla, Opera, etc. parser = new DOMParser(); xmlDoc = parser.parseFromString(text, "text/xml"); return xmlDoc; } catch (e) { alert(e.message); } } return null; }