js zend framework 实现ajax

前段代码

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="StartXmlHttpRequestChuanZhi.aspx.cs" Inherits="XmlHttpRequestTest.StartXmlHttpRequestChuanZhi" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
    <script language="javascript">
    var userName;  
    var passWord;  
    var xmlHttpRequest;   
    //XmlHttpRequest对象  
    function createXmlHttpRequest(){  
        if(window.ActiveXObject){ //如果是IE
            return new ActiveXObject("Microsoft.XMLHTTP");  
        }else if(window.XMLHttpRequest){ //非IE浏览器  
            return new XMLHttpRequest();  
        }  
    }   
    function onLogin(){  
        var url = "http://localhost:8080/testfunction/index";
        //1.创建XMLHttpRequest组建  
        xmlHttpRequest = createXmlHttpRequest();  
          
        //2.设置回调函数  
        xmlHttpRequest.onreadystatechange = HuiDiaoFun;  
          
        //3.初始化XMLHttpRequest组建  
        xmlHttpRequest.open("post",url,true);  
          
        //4.发送请求  
        xmlHttpRequest.send(null);    
    }        
    //回调函数  
    function HuiDiaoFun(){  
        if(xmlHttpRequest.readyState == 4 && xmlHttpRequest.status == 200){
            var valueReturned = xmlHttpRequest.responseText;
			alert(valueReturned);
        }  
    } 
    </script>
</head>
<body >
    <form id="form1">
    <div>
            <input id="btnRequest" type="button" value="请求数据"  onclick="onLogin()"/></div>
    </form>
</body>
</html>

zend 端发送的数据

class TestFunctionController  extends Zend_Controller_Action {
    //put your code here
    public function indexAction()
    {
        echo 'test';
    }
}