Ajax初体验--前台页面与后台的交互
<script language="javascript">function getKQSL(){
var xmlHTTP = newXMLHttpRequest();//得到XMLHttpRequest对象
var surl="XXX.do";
xmlHTTP.open("POST",surl, false);
xmlHTTP.send("");//发送请求
if(xmlHTTP.readyState==4){
var retvalue=xmlHTTP.responseText;//得到返回值
}
xmlHTTP=null;
return retvalue;
}
function newXMLHttpRequest() {
var xmlreq = false;
if (window.XMLHttpRequest) {
// Create XMLHttpRequest object in non-Microsoft browsers
xmlreq = new XMLHttpRequest();
} else if (window.ActiveXObject) {
// Create XMLHttpRequest via MS ActiveX
try {
// 得到IE6.0+之后的XMLHttpRequest对象
xmlreq = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e1) {
// Failed to create required ActiveXObject
try {
// Try version supported by older versions
// of Internet Explorer
xmlreq = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2) {
// Unable to create an XMLHttpRequest with ActiveX
}
}
}
return xmlreq;
}
</script>
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