/**

ajax_frame.js

Ajax Frame Version 1.0

*/

function ajax_frame()

{

var config                      = new Array();

var httpobj      = null;

config['transfer_mode']         = 'GET';

config['async']                 = true;

/* 设置传输模式 */

this.set_transfer_mode = function()

{

if ('GET' == arguments[0].toUpperCase() || 'POST' == arguments[0].toUpperCase())

{

config['transfer_mode'] = arguments[0].toUpperCase();

}

}// end set_transfer_mode;

this.set_async = function()

{

if ('boolean' == typeof arguments[0])

{

config['async'] = arguments[0];

}

}// end set_async;

/*********************************************

* 函数名称：call_func

* arguments[0] 目标文件的url

* arguments[1] 调用的函数

* arguments[2] 响应函数

* arguments[3] url要传递的对象1

*  .

*  .

*  .

* arguments[n+3] url要传递的对象n

************************************************/

this.call_func = function()

{

if ('function' == typeof arguments[2])

{

client_callback = arguments[2];

}

get_connection_object();

var i;

var query_string = "?function=" + arguments[1];

//if ('' == arguments[1])

//query_string = "?function=" + arguments[1];

var field = null;

for(i = 3; i < arguments.length; i++)

{

field = arguments[i];

query_string = query_string + '&' + field.name + '=' + field.value;

}

/* 把时间戳加入url为的是保持url唯一性，避免浏览器缓存结果 */

var remote_url = arguments[0] + query_string + '&timeStamp=' + new Date().getTime();

httpobj.open(config['transfer_mode'], remote_url, config['async']);

if ("POST" == config['transfer_mode'])

{

try {

httpobj.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

} catch (cp_err) {

alert('[错误] 无法发送POST请求，请使用GET方式发送');

}

}

httpobj.onreadystatechange = callback;

httpobj.setRequestHeader("Cache-Control","no-cache");

httpobj.setRequestHeader("Pragma","no-cache");

if ('GET' == config['transfer_mode'])

{

httpobj.send(null);

}

else

{

httpobj.send(query_string);

}

if (false == config['async'])

{

callback();

}

}//end call_func

var callback = function()

{

var response = null;

if (4 == httpobj.readyState)

{

if (200 == httpobj.status)

{

response = httpobj.responseText;

if (response != null && typeof client_callback == 'function')

{

client_callback(response, httpobj.responseText);

}

}

}

}// end of callback

/****************************************

* 得到XMLHTTP连接对象

*****************************************/

var get_connection_object = function()

{

try {

httpobj = new ActiveXObject('Msxml2.XMLHTTP');

} catch (e)

{

try {

httpobj = new ActiveXObject('Microsoft.XMLHTTP');

} catch (oc) {

httpobj = null;

}

}

if (!httpobj && typeof XMLHttpRequest != 'undefined') {

httpobj = new XMLHttpRequest();

}

if (!httpobj) {

alert('[错误] 浏览器不支持AJAX对象');

} else {

return_value = true;

}

if (httpobj.readyState != 4)

{

httpobj.abort();

}

return return_value;

}// end of get_connection_object

}

使用方式：

sample.html

window.onload = function()

{

var button = document.getElementById('say');

button.onclick = function()

{

var obj = new ajax_frame;

var txt = document.getElementById('person');

obj.call_func("helloworld.php", "helloworld", response_func, txt);

}

}

function response_func(result)

{

alert(result);

}

无标题文档

helloworld.php

$func =  $_GET['function'];

$uid = $_POST['txtUID'];

$pwd = $_POST['txtPWD'];

if (function_exists($func))

$func($uid, $pwd);

else

echo "0";

function helloworld()

{

echo $_GET["person"] . " say hello world!";

}

?>

目前还没有支持xml，以后会加上。