Ajax implementation of no Refresh page acquisition function code

Source: Internet
Author: User
The code is as follows Copy Code

var url = "B.aspx";
var param = "a=1&b=2";
var ret = getremotetext (URL, param, ' post ');
This ret is what b.aspx returns, use it.

 
//Create XMLHTTP Object
Function Createxmlhttp () {
    if window. XMLHttpRequest)
      return new XMLHttpRequest ();
    else {
      var ver = ["msxml2.xmlhttp.6.0", "msxml2.xmlhttp.5.0", "msxml2.xmlhttp.4.0",
                 " MSXML2. xmlhttp.3.0 "," MSXML2. XMLHttp "," Microsoft.XMLHTTP "];
      for (var i = 0; i < ver.length i++)
        ; try  {
          var XmlHttp = new ActiveXObject (Ver[i]);
& nbsp;         return XmlHttp;
       }
        catch (oerror) {}
   }
    return false;
}

Access
function Getremotetext (Url,param,method) {
if (method && method.tolowercase () = = ' Post ')
method = ' POST ';
else{
method = ' Get ';
}

var xml = Createxmlhttp ();
Xml.open (method, URL, false);
if (method = = ' POST ')
Xml.setrequestheader ("Content-type", "application/x-www-form-urlencoded");
Xml.send (param);

if (xml.readystate = = 4 && xml.status = 200)
return xml.responsetext;
Else
return null;
}


This allows us to collect the contents of the specified Web site or page address.

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