class UserController

 

	@GetMapping("/loginForm")
	public String loginForm(){
		return "/user/login";
	}
	
	@PostMapping("/login")
	public String login(String userId, String password, HttpSession session){
		User user =userRepository.findByUserId(userId);
		if(user==null){
			log.info("login -  user.null");
			return "redirect:/users/loginForm";
		}
		if(!password.equals(user.getPassword())){
			log.info("login -  !password");
			return "redirect:/users/loginForm";
		}
		
		log.info("login -  success");
		session.setAttribute("user", user);
		return "redirect:/";
	}
	

 

 

package net.slipp.web;

import java.util.ArrayList;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.servlet.http.HttpSession;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestMapping;

import net.slipp.domain.User;
import net.slipp.domain.UserRepository;

@Controller
@RequestMapping("/users")
public class UserController {
	
	private static final Logger log = LoggerFactory.getLogger(UserController.class);
	
	@Autowired
	private UserRepository userRepository;
	
	@GetMapping("/loginForm")
	public String loginForm(){
		return "/user/login";
	}
	
	@PostMapping("/login")
	public String login(String userId, String password, HttpSession session){
		User user =userRepository.findByUserId(userId);
		if(user==null){
			log.info("login -  user.null");
			return "redirect:/users/loginForm";
		}
		if(!password.equals(user.getPassword())){
			log.info("login -  !password");
			return "redirect:/users/loginForm";
		}
		
		log.info("login -  success");
		session.setAttribute("user", user);
		return "redirect:/";
	}
	
	
	@GetMapping("/form")
	public String form(){	
		return "/user/form";
	}
		
	
	@PostMapping("")
	public String create(User user){
		log.info("create   : {}", user.toString()); 
		// jpa h2 로 자동으로 인클로드 된다.
		userRepository.save(user);
		return "redirect:/users";
	}
	
	@GetMapping("")
	public String list(Model model){
		// userRepository.findAll() 목록 가져오기
		model.addAttribute("users", userRepository.findAll());
		return "/user/list";
	}
	
	
	@GetMapping("/{id}/form")
	public String updateForm(@PathVariable Long id, Model model){
		User user =userRepository.findOne(id);
		model.addAttribute("user",user);
		return "/user/updateform";
	}
	
	
	@PutMapping("/update")
	public String update(User updateUser){
		//save() 는 기존의 아이디값이 있으면 업데이트 없으면 인서트 한다.
		userRepository.save(updateUser);
		return "redirect:/users";
	}
	
	
	
}

 

userRepository.findByUserId(userId);

 

특정 유저 아이디로 찾기 

스프링 부트의 jpa 규칙  findBy  컬럼명의 첫글자 대문자

 

interface UserRepository

package net.slipp.domain;

import org.springframework.data.jpa.repository.JpaRepository;

public interface UserRepository extends JpaRepository<User, Long>{
	User findByUserId(String userId);
}

 

 

login.html

{{> include/header}}
{{> include/navigation}}

<div class="container" id="main">
   <div class="col-md-6 col-md-offset-3">
      <div class="panel panel-default content-main">
          <form name="question" method="post" action="/users/login">
              <div class="form-group">
                  <label for="userId">사용자 아이디</label>
                  <input class="form-control" id="userId" name="userId" placeholder="User ID">
              </div>
              <div class="form-group">
                  <label for="password">비밀번호</label>
                  <input type="password" class="form-control" id="password" name="password" placeholder="Password">
              </div>
              <button type="submit" class="btn btn-success clearfix pull-right">로그인</button>
              <div class="clearfix" />
          </form>
        </div>
    </div>
</div>

{{> include/footer}}