jsonp jquery jersey 实现跨域访问

链接：http://blog.youkuaiyun.com/z69183787/article/details/19192637

服务器端：

[java]  view plain copy

1. @GET  
2. @Path("addTaskRest")  
3. @Consumes(MediaType.APPLICATION_FORM_URLENCODED)  
4. @Produces(MediaType.TEXT_PLAIN)  
5. public String addTaskRest(@QueryParam("data") String data,@QueryParam("jsonpcallback") String jsonpcallback){  
6.     System.out.println("data="+ data);  
7.     System.out.println("jsonpcallback="+ jsonpcallback);  
8.     String result = "";  
9.     result = this.controller.addTask(data);  
10.     return jsonpcallback+"( {\"id\":\""+result+"\"})";  
11. }  

客户端：

[javascript]  view plain copy

1. $.ajax({  
2.         // url: "/portal/constructionNotice/showLineInfo.action?random="+Math.random(),  
3.         url :   "http://10.1.14.20:8088/workflowController/service/todo/addTaskRest",  
4.         type:   "get",  
5.         jsonp:'jsonpcallback',  
6.         data:   {  
7.                     "data":"{\"app\": \"zhoushuntest\",\"type\": 0,"  
8.                         + "\"occurTime\": \"2013-11-14 11:22:02\",\"title\": \"-------流程标题-------\","  
9.                         + "\"loginName\": \"ST/G01008000311\",\"status\": 0,\"removed\": 0,"  
10.                         + " \"typename\": \"流程名称11\","  
11.                         + "\"url\": \"流程名称11\","  
12.                         + "\"pname\": \"主流程名称\",\"pincident\": 1,"  
13.                         + "\"cname\": \"子流程实例号\",\"cincident\": 1,"  
14.                         + "\"stepName\": \"当前步骤\","  
15.                         + "\"initiator\": \"ST/G01008000311\"}"  
16.                 },  
17.         dataType : "jsonp",//跨域必须用jsonp     
18.        cache:   false,  
19.        error: function(XMLHttpRequest, textStatus, errorThrown) {  
20.            alert(XMLHttpRequest.status);  
21.            alert(XMLHttpRequest.readyState);  
22.            alert(textStatus);  
23.        },  
24.      success:   function(obj){    
25.                     alert(obj.id);  
26.                 }  
27.     });