스프링부트 강좌 56강(블로그 프로젝트) - 글 상세보기

출처:

https://www.youtube.com/watch?v=ZNrRqthcZyk&list=PL93mKxaRDidECgjOBjPgI3Dyo8ka6Ilqm&index=58 

---

package com.cosblog.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.web.PageableDefault;
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 com.cosblog.service.BoardService;

import org.springframework.data.domain.Sort;




@Controller
public class BoardController {
	
	@Autowired
	private BoardService boardService;
	
	//public String index(@AuthenticationPrincipal PrincipalDetail principal)
	
	@GetMapping({"","/"})
	public String index(Model model,@PageableDefault(size=3, sort="id", direction = Sort.Direction.DESC)Pageable pageable) {
		model.addAttribute("boards", boardService.글목록(pageable));
		return "index"; // viewResolver 작동!
	}
	
	@GetMapping("board/{id}")
	public String findById(@PathVariable int id, Model model) {
		model.addAttribute("board", boardService.글상세보기(id));
		return "board/detail";
		 
	}
	
	@GetMapping("/board/saveForm")
	public String saveForm() {
		
		return "board/saveForm";
	}
}

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ include file="layout/header.jsp"%>

<div class="container">
	<c:forEach var="board" items="${boards.content}">
		<div class="card m-2">
			<div class="card-body">
				<h4 class="card-title">${board.title}</h4>
				<a href="/board/${board.id}" class="btn btn-primary">상세보기</a>
			</div>
		</div>
	</c:forEach>

	<ul class="pagination justify-content-center">
		<c:choose>
			<c:when test="${boards.first}">
				<li class="page-item disabled"><a class="page-link" href="?page=${boards.number-1}">Previous</a></li>
			</c:when>
			<c:otherwise>
				<li class="page-item"><a class="page-link" href="?page=${boards.number-1}">Previous</a></li>
			</c:otherwise>
		</c:choose>

		<c:choose>
			<c:when test="${boards.last}">
				<li class="page-item disabled"><a class="page-link" href="?page=${boards.number+1}">Next</a></li>
			</c:when>
			<c:otherwise>
				<li class="page-item"><a class="page-link" href="?page=${boards.number+1}">Next</a></li>
			</c:otherwise>
		</c:choose>

	</ul>
</div>


<%@ include file="layout/footer.jsp"%>

package com.cosblog.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.cosblog.model.Board;
import com.cosblog.model.User;
import com.cosblog.repository.BoardRepository;

//스프링이 컴포넌트 스캔을 통해서 bean에 등록을 해줌
@Service
public class BoardService {

	@Autowired
	private BoardRepository boardRepository;

	@Transactional
	public void 글쓰기(Board board, User user) {
		board.setCount(0);
		board.setUser(user);
		boardRepository.save(board);
	}

	public Page<Board> 글목록(Pageable pageable) {
		return boardRepository.findAll(pageable);
	}

	public Board 글상세보기(int id) {
		return boardRepository.findById(id)
				.orElseThrow(()->{
			return new IllegalArgumentException("글 상세보기 실패:아이디를 찾을 수 없습니다.");
		});
	} 

	/*
	 * 이 로그인도 사용 안 할거라 삭제
	 * 
	 * @Transactional(readOnly = true)//Select할 때 트랜잭션 시작, 서비스 종료시에 트랜잭션 종료(정합성)
	 * public User 로그인(User user) { return
	 * userRepository.findByUsernameAndPassword(user.getUsername(),
	 * user.getPassword()); }
	 */
}

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ include file="../layout/header.jsp"%>

<div class="container">
	<button class="btn btn-secondary" onclick="history.back()">돌아가기</button>
	<button id="btn-update" class="btn btn-warning">수정</button>
	<button id="btn-delete" class="btn btn-danger">삭제</button>
	<br><br>
	<div>
		<h3>${board.title}</h3>
	</div>
	<hr />
	<div>
		<div>${board.content}</div>
	</div>
	<hr />

	<button id="btn-save" class="btn btn-primary">글 저장</button>

</div>


<script src="/js/board.js"></script>
<%@ include file="../layout/footer.jsp"%>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ include file="../layout/header.jsp"%>

<div class="container">
	<form action="/auth/loginProc" method="POST">
		<div class="form-group">
			<label for="email">Title</label> <input type="text" class="form-control" placeholder="Enter title" id="title">
		</div>

		<div class="form-group">
			<label for="comment">Content:</label>
			<textarea class="form-control summernote" rows="5" id="content"></textarea>
		</div>

	</form>
	<button id="btn-save" class="btn btn-primary">글 저장</button>
	
</div>

<!-- summer note -->
<script>
	$('.summernote').summernote({

		tabsize : 2,
		height : 300
	});
</script>
<script src="/js/board.js"></script>
<%@ include file="../layout/footer.jsp"%>