js实现局部刷新的方法
/***@description: 统一的局部刷新请求入口
*@param: actionName 已配置的action
*@param: actionMethod action中的方法
*@param: getParameter 利用get方法传递的参数
*@param: postParameter 利用post方法传递的参数
*@param: isSynch
*@return: 从服务器返回的字符串
*/
function executeRequest(actionName,actionMethod,postParameter,isAsynchronism){
//判断是否使用局部刷新
var isPartlyRefresh;
if(event!=null)
{
var srcObj = event.srcElement;
if(srcObj != null && srcObj.tagName.toUpperCase() == "INPUT"){
if(srcObj.isPartlyRefresh != null && srcObj.isPartlyRefresh.toUpperCase() == "FALSE"){
return "FALSE_NOTING";
}
}
}
var objXMLReq = getObjXMLReq();
var strURL = document.getElementById("path") + "/" + actionName + ".do";
currentActionName = actionName;
var flag = false;
if(actionMethod != null && actionMethod != ""){
strURL += "?method=" + actionMethod;
flag = true;
}
//增加局部刷新标示符
if(flag)
strURL += "&isPartlyRefresh=true";
else
strURL += "?isPartlyRefresh=true";
if(postParameter == null) postParameter ="";
if(isAsynchronism == null) isAsynchronism = false;
objXMLReq.open("POST", strURL, isAsynchronism);
objXMLReq.send(postParameter);
var result;
if(isAsynchronism==false){
result = objXMLReq.responseText;
return result;
}
}
//取得XMLHttpRequest对象,基于AJAX技术
function getObjXMLReq(){
var objXMLReq;
// IE5 for the mac claims to support window.ActiveXObject, but throws an error when it's used
if (window.ActiveXObject && !(navigator.userAgent.indexOf('Mac') >= 0 && navigator.userAgent.indexOf("MSIE") >= 0)){
objXMLReq = new ActiveXObject("Microsoft.XMLHTTP");
}
//for Mozilla and Safari etc.
else if (window.XMLHttpRequest){
objXMLReq = new XMLHttpRequest();
}
return objXMLReq;
}
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