공부방
MyBatis-Spring 본문
- 마이바티스-스프링 연동 모듈은 둘을 간편하게 연동하도록 도와준다.
- 해당 모듈은 마이바티스로 하여금 스프링 트랜잭션에 쉽게 연동되도록 처리한다.
실습
설정->legacy파일에서 추가해준다.
pom.xml
Mybatis/Mybatis-Spring/jdbc/mysql/커넥션 관리를 연결하기 위해 mvnrepository에 들어가 pom.xml에 추가
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ssafy</groupId>
<artifactId>mvc</artifactId>
<name>SpringMVC_MyBatisWeb</name>
<packaging>war</packaging>
<version>1.0.0-BUILD-SNAPSHOT</version>
<properties>
<java-version>1.8</java-version>
<org.springframework-version>5.3.18</org.springframework-version>
<org.aspectj-version>1.9.8</org.aspectj-version>
<org.slf4j-version>1.7.36</org.slf4j-version>
</properties>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${org.springframework-version}</version>
<exclusions>
<!-- Exclude Commons Logging in favor of SLF4j -->
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${org.springframework-version}</version>
</dependency>
<!-- AspectJ -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
<!-- Logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j-version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j-version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${org.slf4j-version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
</exclusion>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
</exclusions>
<scope>runtime</scope>
</dependency>
<!-- @Inject -->
<dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version>
</dependency>
<!-- Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.3</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- Test -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</dependency>
<!-- mysql을 쓰기 위해 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.21</version>
</dependency>
<!-- MyBatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.9</version>
</dependency>
<!-- MyBatis-Spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.6</version>
</dependency>
<!-- 커넥션 관리 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>2.8.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-eclipse-plugin</artifactId>
<version>2.9</version>
<configuration>
<additionalProjectnatures>
<projectnature>org.springframework.ide.eclipse.core.springnature</projectnature>
</additionalProjectnatures>
<additionalBuildcommands>
<buildcommand>org.springframework.ide.eclipse.core.springbuilder</buildcommand>
</additionalBuildcommands>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<compilerArgument>-Xlint:all</compilerArgument>
<showWarnings>true</showWarnings>
<showDeprecation>true</showDeprecation>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.2.1</version>
<configuration>
<mainClass>org.test.int1.Main</mainClass>
</configuration>
</plugin>
</plugins>
</build>
</project>게시판의 정보들 불러오기
Board.java
package com.ssafy.board.model.dto;
public class Board {
private int id;
private String title;
private String writer;
private String content;
private String regDate;
private int viewCnt;
public Board() {
}
public Board(String title, String writer, String content) {
super();
this.title = title;
this.writer = writer;
this.content = content;
}
public Board(int id, String title, String writer, String content, String regDate, int viewCnt) {
this.id = id;
this.title = title;
this.writer = writer;
this.content = content;
this.regDate = regDate;
this.viewCnt = viewCnt;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getWriter() {
return writer;
}
public void setWriter(String writer) {
this.writer = writer;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getRegDate() {
return regDate;
}
public void setRegDate(String regDate) {
this.regDate = regDate;
}
public int getViewCnt() {
return viewCnt;
}
public void setViewCnt(int viewCnt) {
this.viewCnt = viewCnt;
}
@Override
public String toString() {
return "Board [id=" + id + ", title=" + title + ", writer=" + writer + ", content=" + content + ", regDate="
+ regDate + ", viewCnt=" + viewCnt + "]";
}
}
======================================================================
BoardDao.java
package com.ssafy.board.model.dao;
import java.util.List;
import com.ssafy.board.model.dto.Board;
public interface BoardDao {
// 전체 게시글을 몽땅 들고 오쎄용
public List<Board> selectAll();
// ID에 해당하는 게시글 하나 가져오기
public Board selectOne(int id);
// 게시글 등록
public void insertBoard(Board board);
// 게시글 삭제
public void deleteBoard(int id);
// 게시글 수정
public void updateBoard(Board board);
// 조회수 증가
public void updateViewCnt(int id);
}
======================================================================
BoardController.java
package com.ssafy.board.controller;
import org.springframework.stereotype.Controller;
@Controller
public class BoardController {
}
======================================================================
BoardService.java
package com.ssafy.board.model.service;
import java.util.List;
import com.ssafy.board.model.dto.Board;
//사용자 친화적으로
public interface BoardService {
//게시글 전체 조회
public List<Board> getBoardList();
//게시글 상세 조회(클릭 시 읽는 거)
public Board readBoard(int id);
//게시글 작성
public void writeBoard(Board board);
//게시글 삭제
public void removeBoard(int id);
//게시글 수정
public void modifyBoard(Board board);
}
======================================================================
BoardServiceImpl.java
package com.ssafy.board.model.service;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ssafy.board.model.dao.BoardDao;
import com.ssafy.board.model.dto.Board;
@Service
public class BoardServiceImpl implements BoardService {
private BoardDao boardDao;
//Dao 인스턴스를 주입해준다.
@Autowired
public void setBoardDao(BoardDao boardDao) {
this.boardDao = boardDao;
}
@Override
public List<Board> getBoardList() {
// TODO Auto-generated method stub
return boardDao.selectAll();
}
@Override
public Board readBoard(int id) {
// TODO Auto-generated method stub
boardDao.updateViewCnt(id);
return boardDao.selectOne(id);
}
@Override
public void writeBoard(Board board) {
boardDao.insertBoard(board);
}
@Override
public void removeBoard(int id) {
boardDao.deleteBoard(id);
}
@Override
public void modifyBoard(Board board) {
boardDao.updateBoard(board);
}
}
======================================================================
boardMapper.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"https://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssafy.board.model.dao.BoardDao">
<resultMap type="Board" id="boardMap">
<result column="id" property="id"/>
<result column="writer" property="writer"/>
<result column="title" property="title"/>
<result column="content" property="content"/>
<result column="view_cnt" property="viewCnt"/>
<result column="reg_date" property="regDate"/>
</resultMap>
<!-- 전체글 조회 -->
<select id="selectAll" resultType="Board">
SELECT id, content, writer, title, view_cnt as viewCnt, date_format(reg_date, '%y-%m-%d %H:%i:%s') as regDate
FROM board;
</select>
<!-- 상세글 조회 -->
<select id="selectOne" parameterType="int" resultMap="boardMap">
SELECT id, content, writer, title, view_cnt, date_format(reg_date, '%y-%m-%d') as reg_date
FROM board
WHERE id = #{id};
</select>
<!-- 게시글 등록 -->
<insert id="insertBoard" parameterType="Board">
INSERT INTO board (title, writer, content)
VALUES (#{title}, #{writer}, #{content})
</insert>
<!-- 게시글 삭제 -->
<delete id="deleteBoard" parameterType="int">
DELETE FROM board
WHERE id = #{id}
</delete>
<!-- 조회수 증가 -->
<update id="updateViewCnt" parameterType="int">
UPDATE board
SET view_cnt = view_cnt+1
WHERE id = #{id}
</update>
<!-- 게시글 수정 -->
<!-- 지금 게시글 날짜는 등록 날짜만 존재한다. 나중에 수정날짜도 같이 관리하게 된다면의 상황을보자ㅏ... -->
<update id="updateBoard" parameterType="Board">
UPDATE board
SET title = #{title}, content=#{content}, reg_date = now()
WHERE id=#{id}
</update>
</mapper>Bean등록
servlet-context에 controller클래스를 빈 등록해준다.
root-context에 데이터 소스/마이바티스/sqlSessionFactory를 빈 등록해준다.
servlet-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
<resources mapping="/resources/**" location="/resources/" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<context:component-scan base-package="com.ssafy.board.controller" />
</beans:beans>
================================================================
root-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"
xsi:schemaLocation="http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.xsd
http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<!-- Root Context: defines shared resources visible to all other web components -->
<!-- 데이터 소스 준비 -->
<!-- 데이터 소스는 아무거나 써도된다. -->
<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
<property name="url" value="jdbc:mysql://localhost:3306/ssafy_board?serverTimezone=UTC"/>
<property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
<property name="username" value="ssafy"></property>
<property name="password" value="ssafy"></property>
</bean>
<!-- 마이바티스 사용하기 위한 sqlSessionFactory를 등록 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations" value="classpath*:mappers/*.xml"/>
<property name="typeAliasesPackage" value="com.ssafy.board.model.dto"/>
</bean>
<!-- 마이바티스에서 제공하는 scan을 통해 dao 인터페이스의 위치를 지정한다. -->
<mybatis-spring:scan base-package="com.ssafy.board.model.dao"/>
<context:component-scan base-package="com.ssafy.board.model.service"/>
</beans>부트스트랩을 쓰기 위한 설정
bootstrap.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<link
href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-KK94CHFLLe+nY2dmCWGMq91rCGa5gtU4mk92HdvYe+M/SXH301p5ILy+dN9+nJOZ"
crossorigin="anonymous">
<script
src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js"
integrity="sha384-ENjdO4Dr2bkBIFxQpeoTz1HIcje39Wm4jDKdf19U8gI4ddQ3GYNS7NTKfAdVQSZe"
crossorigin="anonymous"></script>기본 창에서 리스트를 보이게 해주기
BoardController.java
package com.ssafy.board.controller;
import java.util.List;
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 com.ssafy.board.model.dto.Board;
import com.ssafy.board.model.service.BoardService;
@Controller
public class BoardController {
@Autowired
private BoardService boardService;
@GetMapping("/")
public String showIndex() {
//보여줄게 없으니 리스트로 바로 점프 뛰자
return "redirect:list";
}
@GetMapping("list")
public String list(Model model) {
List<Board> list=boardService.getBoardList();
System.out.println(list);
model.addAttribute("list", list);
return "/board/list";
}
}
===================================================================
list.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%-- <c:forEach>를 사용하기 위해 설정 --%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>게시판 목록</title>
<%@ include file="../common/bootstrap.jsp" %>
<!-- 부트스트랩을 사용하기 위해 선언 -->
</head>
<body>
<div class="container">
<h2>게시글 목록</h2>
<hr>
<div>
<table class="table text-center">
<tr>
<th>번호</th>
<th>제목</th>
<th>글쓴이</th>
<th>조회수</th>
<th>등록날짜</th>
</tr>
<c:forEach items="${list}" var="board">
<tr>
<td>${board.id}</td>
<td>${board.title}</td>
<td>${board.writer}</td>
<td>${board.viewCnt}</td>
<td>${board.regDate}</td>
</tr>
</c:forEach>
</table>
</div>
</div>
</body>
</html>
@GetMapping("/")
public String showIndex() {
//보여줄게 없으니 리스트로 바로 점프 뛰자
return "redirect:list";
}를 통해 바로 list로 가게 해주어 list를 전체 조회하게 해준다.
게시글 등록창 만들기
BoardController.java
package com.ssafy.board.controller;
import java.util.List;
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.PostMapping;
import com.ssafy.board.model.dto.Board;
import com.ssafy.board.model.service.BoardService;
@Controller
public class BoardController {
@Autowired
private BoardService boardService;
@GetMapping("/")
public String showIndex() {
//보여줄게 없으니 리스트로 바로 점프 뛰자
return "redirect:list";
}
@GetMapping("list")
public String list(Model model) {
List<Board> list=boardService.getBoardList();
System.out.println(list);
model.addAttribute("list", list);
return "/board/list";
}
@GetMapping("writeform")
public String writeform() {
return "/board/writeform";
}
@PostMapping("write")
public String write(Board board) {
boardService.writeBoard(board);
return "redirect:list";
}
}
===============================================================
writeform.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>게시글 등록</title>
<%@include file="../common/bootstrap.jsp" %>
</head>
<body>
<div class="container">
<h2>글작성</h2>
<form action="write" method="POST">
<div class="mb-3">
<label for="title" class="form-label">글제목</label>
<input type="text" class="form-control" id="title" name="title">
</div>
<div class="mb-3">
<label for="writer" class="form-label">글쓴이</label>
<input type="text" class="form-control" id="writer" name="writer">
</div>
<div class="mb-3">
<label for="content" class="form-label">글내용</label>
<textarea class="form-control" rows="10" cols="10" id="content" name="content"></textarea>
</div>
<button class="btn btn-primary">등록</button>
</form>
</div>
</body>
</html>
글 상세보기
BoardController.java
package com.ssafy.board.controller;
import java.util.List;
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.PostMapping;
import com.ssafy.board.model.dto.Board;
import com.ssafy.board.model.service.BoardService;
@Controller
public class BoardController {
@Autowired
private BoardService boardService;
@GetMapping("/")
public String showIndex() {
//보여줄게 없으니 리스트로 바로 점프 뛰자
return "redirect:list";
}
@GetMapping("list")
public String list(Model model) {
List<Board> list=boardService.getBoardList();
System.out.println(list);
model.addAttribute("list", list);
return "/board/list";
}
@GetMapping("writeform")
public String writeform() {
return "/board/writeform";
}
@PostMapping("write")
public String write(Board board) {
boardService.writeBoard(board);
return "redirect:list";
}
@GetMapping("detail")
public String detail(Model model, int id) {
Board board=boardService.readBoard(id);
model.addAttribute("board", board);
return "/board/detail";
}
}
=================================================================
list.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%-- <c:forEach>를 사용하기 위해 설정 --%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>게시판 목록</title>
<%@ include file="../common/bootstrap.jsp" %>
<!-- 부트스트랩을 사용하기 위해 선언 -->
</head>
<body>
<div class="container">
<h2>게시글 목록</h2>
<hr>
<div>
<table class="table text-center">
<tr>
<th>번호</th>
<th>제목</th>
<th>글쓴이</th>
<th>조회수</th>
<th>등록날짜</th>
</tr>
<c:forEach items="${list}" var="board">
<tr>
<td>${board.id}</td>
<td><a href="detail?id=${board.id }">${board.title }</a></td>
<td>${board.writer}</td>
<td>${board.viewCnt}</td>
<td>${board.regDate}</td>
</tr>
</c:forEach>
</table>
<div class="d-flex justify-content-end">
<!-- 글등록 버튼을 오른쪽으로 이동 -->
<a class="btn btn-outline-primary" href="writeform">글등록</a>
<!-- class="btn btn-outline-primary"를 통해 버튼 상자 모양을 바꿔줌 -->
</div>
</div>
</div>
</body>
</html>
=================================================================
detail.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<%@ include file="../common/bootstrap.jsp" %>
</head>
<body>
<div class="container">
<h2>글 상세보기</h2>
<hr>
<div class="card">
<div class="card-body">
<h5 class="card-title">${board.title}<span class="badge bg-danger">${board.viewCnt }</span></h5>
<!-- badge를 통해 글 옆에 조회수를 표시해준다. -->
<div class="d-flex justify-content-between">
<!-- 양 옆으로 글쓴이와 작성일 배치 -->
<div class="card-subtitle">${board.writer }</div>
<div class="card-subtitle">${board.regDate }</div>
</div>
<p class="card-text">${board.content}</p>
<div>
<a href="delete?id=${board.id}" class="btn btn-info" }>삭제</a>
<a href="updateform?id=${board.id}" class="btn btn-success" }>수정</a>
<a href="list" class="btn btn-warning" }>목록</a>
</div>
</div>
</div>
</div>
</body>
</html>
글 삭제
BoardController.java
package com.ssafy.board.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import com.ssafy.board.model.dto.Board;
import com.ssafy.board.model.service.BoardService;
@Controller
public class BoardController {
@Autowired
private BoardService boardService;
@GetMapping("/")
public String showIndex() {
//보여줄게 없으니 리스트로 바로 점프 뛰자
return "redirect:list";
}
@GetMapping("list")
public String list(Model model) {
List<Board> list=boardService.getBoardList();
System.out.println(list);
model.addAttribute("list", list);
return "/board/list";
}
@GetMapping("writeform")
public String writeform() {
return "/board/writeform";
}
@PostMapping("write")
public String write(Board board) {
boardService.writeBoard(board);
return "redirect:list";
}
@GetMapping("detail")
public String detail(Model model, int id) {
Board board=boardService.readBoard(id);
model.addAttribute("board", board);
return "/board/detail";
}
@GetMapping("delete")
public String delete(int id) {
boardService.removeBoard(id);
return "redirect:list";
}
}
==================================================================
detail.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<%@ include file="../common/bootstrap.jsp" %>
</head>
<body>
<div class="container">
<h2>글 상세보기</h2>
<hr>
<div class="card">
<div class="card-body">
<h5 class="card-title">${board.title}<span class="badge bg-danger">${board.viewCnt }</span></h5>
<!-- badge를 통해 글 옆에 조회수를 표시해준다. -->
<div class="d-flex justify-content-between">
<!-- 양 옆으로 글쓴이와 작성일 배치 -->
<div class="card-subtitle">${board.writer }</div>
<div class="card-subtitle">${board.regDate }</div>
</div>
<p class="card-text">${board.content}</p>
<div>
<a href="delete?id=${board.id}" class="btn btn-info" }>삭제</a>
<a href="updateform?id=${board.id}" class="btn btn-success" }>수정</a>
<a href="list" class="btn btn-warning" }>목록</a>
</div>
</div>
</div>
</div>
</body>
</html>
삭제를 누르면
목록을 누르면
글 수정하기
BoardController.java
package com.ssafy.board.controller;
import java.util.List;
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.PostMapping;
import com.ssafy.board.model.dto.Board;
import com.ssafy.board.model.service.BoardService;
@Controller
public class BoardController {
@Autowired
private BoardService boardService;
@GetMapping("/")
public String showIndex() {
//보여줄게 없으니 리스트로 바로 점프 뛰자
return "redirect:list";
}
@GetMapping("list")
public String list(Model model) {
List<Board> list=boardService.getBoardList();
System.out.println(list);
model.addAttribute("list", list);
return "/board/list";
}
@GetMapping("writeform")
public String writeform() {
return "/board/writeform";
}
@PostMapping("write")
public String write(Board board) {
boardService.writeBoard(board);
return "redirect:list";
}
@GetMapping("detail")
public String detail(Model model, int id) {
Board board=boardService.readBoard(id);
model.addAttribute("board", board);
return "/board/detail";
}
@GetMapping("delete")
public String delete(int id) {
boardService.removeBoard(id);
return "redirect:list";
}
@GetMapping("updateform")
public String updateform(Model model,int id) {
//지금 게시글 하나 가져오는 건 readBoard밖에 없다.
model.addAttribute("board", boardService.readBoard(id));
return "/board/updateform";
}
@PostMapping("update")
public String update(Board board) {
boardService.modifyBoard(board);
return "redirect:detail?id="+board.getId();
}
}
==================================================================
updateform.xml
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<%@include file="../common/bootstrap.jsp" %>
</head>
<body>
<div class="container">
<h2>글수정</h2>
<form action="update" method="POST">
<input type="hidden" name="id" value="${board.id }">
<div class="mb-3">
<label for="title" class="form-label">글제목</label>
<input type="text" class="form-control" id="title" name="title" value="${board.title }">
</div>
<div class="mb-3">
<label for="writer" class="form-label">글쓴이</label>
<input type="text" class="form-control" id="writer" name="writer" readonly value="${board.writer }">
</div>
<div class="mb-3">
<label for="content" class="form-label">글내용</label>
<textarea class="form-control" rows="10" cols="10" id="content" name="content" >
${board.content }
</textarea>
</div>
<button class="btn btn-primary">수정</button>
</form>
</div>
</body>
</html>
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