jQuery之jsonp 跨域访问

Javascript代码

View Code

 1 $.ajax({

 2 

 3        url: "fromcar.ashx?methodName=toCart&callback=?",

 4           contentType: "application/json;charset=utf-8",

 5             type: "get",dataType: "jsonp", jsonp: "callback", 

 6             success: function(result) {     //回调函数，result，返回值"

 7              result=result.msg;

 8               

 9                

10             },

11             error:function(XMLHttpRequest, textStatus, errorThrown){

12                 alert("...");

13             }

14         });

15         

16         }

17      });    

C#代码

if (context.Request.Params["callback"] != null)

                     {

                         string callback = context.Request.Params["callback"];

                         strMange = callback + "({\"msg\":\"返回内容\"})";

                     }