原生ajax封装
2017-05-08 本文已影响0人
194181740bd6
/**
* Created by Computer on 2016/6/20.
*/
function createHTTPRequest(){
try{
return new window.XMLHttpRequest();
}catch (e){
try{
return new ActiveXObject("MSXML2.XMLHTTP.6.0");
}catch (e){
try{
return new ActiveXObject("MSXML2.XMLHTTP.3.0");
}catch (e){
try{
return new ActiveXObject("MSXML2.XMLHTTP");
}catch (e){
throw Error("this browser is not supported");
return;
}
}
}
}
}
function ajaxRequest(_method,_url,_async,_parameter,_function){
var _ajax=createHTTPRequest();
if(_ajax){
_ajax.onreadystatechange=function(){
if(_ajax.readyState==4 && _ajax.status==200){
_function(_ajax.responseText);
}
}
_ajax.open(_method,_url,_async);
_ajax.setRequestHeader("Content-Type","Application/x-www-form-urlencoded;charset=utf-8");
_ajax.send(_parameter);
}
}
