My First Blog Project (16) : 게시판 글 목록 보기

BoardController.java

package com.cos.blog.controller;

import com.cos.blog.config.auth.PrincipalDetail;
import com.cos.blog.service.BoardService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

@Controller
public class BoardController {

    @Autowired
    private BoardService boardService;
    @GetMapping({"","/"})
    public String index(Model model){
        model.addAttribute("boards",boardService.글목록());
        return "index"; //viewResolver 작동
    }

    //USER권한이 필요
    @GetMapping("/board/saveForm")
    public String saveForm(){
        return "board/saveForm";
    }
}

Model에 담아서 board 전체를 화면으로 넘겨준다.

화면에서 사용하는 이름이 boards, 넘기는 data는 service에서 리턴되는값을 넘긴다

 

BoardService.java

package com.cos.blog.service;

import com.cos.blog.model.Board;
import com.cos.blog.model.User;
import com.cos.blog.repository.BoardRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;


@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 List<Board> 글목록() {
        return boardRepository.findAll();
    }
}

 

index.jsp

<%@ 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='${boards}'>
  <div class="card m-2">
    <div class="card-body">
      <h4 class="card-title">${board.title}</h4>
      <a href="#" class="btn btn-primary"></a>
    </div>
  </div>
 </c:forEach>
</div>

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

items에 controller가 넘겨준 model을 받는다.

넘겨온 boards를 forEach로 하나씩 꺼재준다.

${board.title}로 하나씩 뿌려준다.