xmlhttp发送数据

第一步，创建XMLHttpRequest对象

var xmlHttp = createXMLHttpRequest(); //新建一个ActiveXObject
//创建XMLHttpRequest对象

//alert(window.ActiveXObject);
function createXMLHttpRequest() {
if (typeof XMLHttpRequest != "undefined"){
return new XMLHttpRequest();
}
else if (window.ActiveXObject){
var aVersions = ["MSXML2.XMLHttp.5.0","MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
for (var i=0;i<aVersions.length;i++){
try {
//alert(aVersions[i]);
var xmlHttp = new ActiveXObject(aVersions[i]);
return xmlHttp;
}
catch (oError){
//Do nothing
}
}
}
throw new Error("XMLHttp object could be created.");
}

第二步，发送请求。（我这里带了两个参数，MIANo和VendorID）
function startCheckMIArequest(MIANo, VendorID) {
create