[Spring] @ManyToOne 어노테이션 6 회원정보 수정

1. View 확인

    @Data
    public static class UpdateDTO{
        private String password;
        private String email;
    }

2. 레파지토리

    @Transactional
    public User updateById(int id,UserRequest.UpdateDTO requestDTO){
        User user = findById(id);
        user.setPassword(requestDTO.getPassword());
        user.setEmail(requestDTO.getEmail());

        return user;
    }

3. 컨트롤러

    @GetMapping("/user/update-form")
    public String updateForm(HttpServletRequest request) {
      User sessionUser = (User) session.getAttribute("sessionUser");
			//수정 페이지에 기존 데이터 들고
      User user =  userRepository.findById(sessionUser.getId());
        request.setAttribute("user",user);

        return "user/update-form";
    }
    @PostMapping("/user/update")
    public String update(UserRequest.UpdateDTO requestDTO){
        User sessionUser = (User) session.getAttribute("sessionUser");
        User user = userRepository.updateById(sessionUser.getId(),requestDTO);
        //세션에 업데이트값 동기화
        session.setAttribute("sessionUser",user);
        return "redirect:/";
    }

4. View

    <div class="card">
        <div class="card-header"><b>회원수정을 해주세요</b></div>
        <div class="card-body">
            <form action="/user/update" method="post" enctype="application/x-www-form-urlencoded">
                <div class="mb-3">
                    <input type="text" class="form-control" placeholder="Enter username" value="{{user.username}}" disabled>
                </div>
                <div class="mb-3">
                    <input type="password" class="form-control" placeholder="Enter password" name="password">
                </div>
                <div class="mb-3">
                    <input type="email" class="form-control" placeholder="Enter email" name="email" value="{{user.email}}">
                </div>
                <button type="submit" class="btn btn-primary form-control">회원가입수정</button>
            </form>