/**
  * 修改用户
  *
  * @param request
  */
 @RequestMapping(value = "/editUser/{id}", method = RequestMethod.GET)
 public String editUser(@PathVariable("id") int id, Model model) {
   Users user = userService.selectById(id);
   System.out.println(id);
   System.out.println(user.getPhone());
   model.addAttribute("user", user);
   return "editUser";
 }