22-5.txt

开发王代码 代码

<script type="text/javascript">
<!--
var oXMLHttpRequest;
if (window.XMLHttpRequest) { //Mozilla,Safari,IE7,Opera等适用
  oXMLHttpRequest = new XMLHttpRequest();
  if (oXMLHttpRequest.overrideMimeType) {
    oXMLHttpRequest.overrideMimeType('text/xml');
  }
} else if (window.ActiveXObject) {//IE7以前的浏览器适用，并且有两种不同的版本 
  var progIDs = ["Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
  for (var i = 0; i < progIDs.length; ++i) {
    try {
       oXMLHttpRequest = new ActiveXObject(progIDs[i]);
    } catch (err) {
       try {
         oXMLHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
       }catch (err) {}
    }
  }
}
if (!oXMLHttpRequest) {
  alert('不存在适用的XMLHttpRequest');
}
-->
</script>