AJAXRequest v0.2

Update:

1) Change the constructor to include parameters to simplify the procedure

Class Name: AJAXRequest

Creation method:

Var ajaxobj = new AJAXRequest (method, url, async, content, callback );

If creation fails, false is returned.

Attribute: method-Request method, String, POST, or GET. The default value is POST.

Url-request URL, String, empty by default

Async-asynchronous or not. true indicates asynchronous, and false indicates synchronous. The default value is true.

Content-the content of the request. If the request method is POST, this attribute must be set. The default value is null.

The callback-callback function is the function called when the response content is returned. The default value is direct return. The callback function has a parameter XMLHttpRequest object, that is, the callback function must be defined as follows: function mycallback (xmlobj)

Method: send ()-send request, no Parameter

Example:

Copy codeThe Code is as follows:
<Script type = "text/javascript" src = "ajaxrequest. js"> </script>
<Script type = "text/javascript">
// Request Method GET, URL is default. asp, asynchronous
Var ajaxobj = new AJAXRequest ("GET", "default. asp", true, null, MyCallback); // create an AJAX object
Ajaxobj. send (); // send the request
Function MyCallback (xmlObj ){
Document. write (xmlobj. responseText );
}

Ajaxrequest. js
Copy codeThe Code is as follows:
/*------------------------------------------
Author: xujiwei
Web: http://www.xujiwei.cn
E-mail: vipxjw@163.com
Copyright (c) 2006, All Rights Reserved
------------------------------------------*/
Function AJAXRequest (pmethod, purl, pasync, pcontent, pcallback ){
Var xmlObj = false;
Var CBfunc, ObjSelf;
ObjSelf = this;
Try {xmlObj = new XMLHttpRequest ;}
Catch (e ){
Try {xmlObj = new ActiveXObject ("MSXML2.XMLHTTP ");}
Catch (e2 ){
Try {xmlObj = new ActiveXObject ("Microsoft. XMLHTTP ");}
Catch (e3) {xmlObj = false ;}
}
}
If (! XmlObj) return false;
This. method = pmethod;
This. url = purl;
This. async = pasync;
This. content = pcontent;
This. callback = pcallback;
This. send = function (){
If (! This. method |! This. url |! This. async) return false;
XmlObj. open (this. method, this. url, this. async );
If (this. method = "POST") xmlObj. setRequestHeader ("Content-Type", "application/x-www-form-urlencoded ");
XmlObj. onreadystatechange = function (){
If (xmlObj. readyState = 4 ){
If (xmlObj. status = 200 ){
ObjSelf. callback (xmlObj );
}
}
}
If (this. method = "POST") xmlObj. send (this. content );
Else xmlObj. send (null );
}
}