简单的AJAX请求

 <mce:script type="text/javascript"><!--
        var xmlHttp = false;
        var mslist = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"];
        for (i = 0; i <= 1; i++) {
            try {
                xmlHttp = new ActiveXObject(mslist[i]);
            } catch (e) {
                xmlHttp = false;
            }
        }
        if (!xmlHttp && typeof (XMLHttpRequest) != "undefined") {
            try {
                xmlHttp = new XMLHttpRequest();
            } catch (e2) {
                xmlHttp = false;
            }
        }
   
// --></mce:script>
    <mce:script type="text/javascript"><!--
        function callServer() {
            var name = "z gh s";
            var url = "Default.aspx?test=" + escape(name);
            xmlHttp.open("GET", url, true);
            xmlHttp.onreadystatechange = updatePage;
            xmlHttp.send(null);
        }
        function updatePage() {
            if (xmlHttp.readyState <4) {
                document.getElementById("ContDiv").innerHTML = "加载中...";
            }
            if (xmlHttp.readyState == 4) {
                if (xmlHttp.status == 200) {
                    var response = xmlHttp.responseText;
                    document.getElementById("ContDiv").innerHTML = response;
                }
            }
        }
   
// --></mce:script>

 

第一个脚本块中创建XMLHttpRequest对象，第二个脚本块中发送请求，接受响应并更新ＵＩ界面