@RequestMapping(value = "/saveServiceTicket", produces = "text/plain;charset=utf-8")
 @ResponseBody
 public String saveServiceTicket(
     HttpServletRequest request, @RequestBody HxServiceTicketVO serviceTicketVO) {
   SysUser sysUser = (SysUser) request.getSession().getAttribute(Constrants.USER_INFO);
   try {
     String serviceId = serviceTicketCreateService.saveServiceTicket(serviceTicketVO, sysUser);
     return "{\"flag\" : \"success\",\"serviceId\" : \"" + serviceId + "\"}";
   } catch (Exception e) {
     e.printStackTrace();
     return "{\"flag\" : \"failure\"}";
   }
 }