Simple implementation of asynchronous submit in jquery ajaxSubmit

The front desk js

$("#nickForm").ajaxSubmit({
     type: "post",
     url: "http://localhost:8080/test/myspace.do?method=updateNick¶m=1",
     dataType: "json",
     success: function(result){
           //Returns a prompt & NBSP;          
           alert(result.nickMsg);
     }
 });

public ActionForward toUpdateNickName(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response){
       PrintWriter pw = response.getWriter();
      JSONObject obj = new JSONObject();
      obj.put("nickMsg", " Nickname modified successfully! ");
      pw.print(obj);
      pw.close();
}