【web项目里面json _json 】 | IT修真院·坑乎

web项目里面json

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json

详细描述

错误截图

源码

 public String deleteUser(@PathVariable("id") int id){
        if(userService.deleteUser(id)){
            List<User> users = userService.getAllUser();
            ModelAndView mav = new ModelAndView("userlist", "users", users);
            a = 0;
            b = "执行成功!";
            mav.addObject("code", a);
            mav.addObject("message", b);
            return "redirect:/a/student";
        }
        else{
            a=-200;
            b="执行删除失败！";
            ModelAndView mav = new ModelAndView("error");
            mav.addObject("code",a);
            mav.addObject("message",b);
            return mav;
        }

编辑于2024-05-13