<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml" > 3 <head> 4 <title>Untitled Page</title> 5 <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> 6 <script type="text/javascript"> 7 jQuery(document).ready(function(){ 8 $.ajax({ 9 type : "get", 10 async:false, 11 url : "ajax.ashx", 12 dataType : "jsonp", 13 jsonp: "callbackparam",//传递给请求处理程序或页面的，用以获得jsonp回调函数名的参数名(默认为:callback) 14 jsonpCallback:"success_jsonpCallback",//自定义的jsonp回调函数名称，默认为jQuery自动生成的随机函数名 15 success : function(json){ 16 alert(json); 17 alert(json[0].name); 18 }, 19 error:function(){ 20 alert('fail'); 21 } 22 }); 23 var a="firstName Brett"; 24 alert(a); 25 }); 26 </script> 27 </head> 28 <body> 29 </body> 30 </html>
<%@ WebHandler Language="C#" Class="ajax" %> 2 3 using System; 4 using System.Web; 5 6 public class ajax : IHttpHandler { 7 8 public void ProcessRequest (HttpContext context) { 9 context.Response.ContentType = "text/plain"; 10 string callbackFunName = context.Request["callbackparam"]; 11 context.Response.Write(callbackFunName + "([ { name:"John"} ] )"); 12 } 13 14 public bool IsReusable { 15 get { 16 return false; 17 } 18 } 19 20 }