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오늘은 Spring 구조를 사용하여 미니 게시판을 만들려고 합니다. 지난번에 게시판을 구혀할 때에는 단순히 JSP로만 구현을 했었죠. 아래 예시에서 Spring controller 가 어떻게 사용되는지 확인해보세요.
파일 구조는 아래와 같이 되어 있습니다. 그리고 아래의 Github 주소에서 관련 파일 확인 가능합니다.
pack.controller 패키지
** BoardBean.java **
package kr.co.controller;
public class BoardBean {
private int num, readcnt;
private String author, title, content, bwrite;
private String searchName, searchValue; //검색용
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public int getReadcnt() {
return readcnt;
}
public void setReadcnt(int readcnt) {
this.readcnt = readcnt;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getBwrite() {
return bwrite;
}
public void setBwrite(String bwrite) {
this.bwrite = bwrite;
}
public String getSearchName() {
return searchName;
}
public void setSearchName(String searchName) {
this.searchName = searchName;
}
public String getSearchValue() {
return searchValue;
}
public void setSearchValue(String searchValue) {
this.searchValue = searchValue;
}
}
** DeleteController.java **
package kr.co.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import kr.co.model.BoardInter;
@Controller
public class DeleteController {
@Autowired
private BoardInter inter;
@RequestMapping("delete")
public String delete(BoardBean bean) {
boolean b = inter.delete(String.valueOf(bean.getNum()));
if(b)
return "redirect:/list";
else
return "err";
}
}
** DetailController.java **
package kr.co.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import kr.co.model.BoardDto;
import kr.co.model.BoardInter;
@Controller
public class DetailController {
@Autowired
private BoardInter inter;
@RequestMapping
public ModelAndView list(@RequestParam("num")String num) {
BoardDto dto = inter.detail(num);
return new ModelAndView("detail","dto",dto);
}
}
** ListController.java **
package kr.co.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import kr.co.model.BoardDto;
import kr.co.model.BoardInter;
@Controller
public class ListController {
@Autowired
@Qualifier("boardDao")
private BoardInter boardInter;
@RequestMapping("list")
public ModelAndView list() {
List<BoardDto> list = boardInter.list();
return new ModelAndView("list", "list", list);
}
}
** SearchController.java **
package kr.co.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import kr.co.model.BoardDto;
import kr.co.model.BoardInter;
@Controller
public class SearchController {
@Autowired
@Qualifier("boardDao")
private BoardInter boardInter;
@RequestMapping("search")
public ModelAndView search(BoardBean bean) {
System.out.println(bean.getSearchValue());
List<BoardDto> list = boardInter.search(bean.getSearchName(), bean.getSearchValue());
return new ModelAndView("list", "list", list);
}
}
** UpdateController.java **
package kr.co.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import kr.co.model.BoardInter;
@Controller
public class UpdateController {
@Autowired
private BoardInter inter;
@RequestMapping("update")
public String update(BoardBean bean) {
boolean b = inter.update(bean);
if(b)
return "redirect:/list";
else
return "err";
}
}
** WriterController.java **
package kr.co.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import kr.co.model.BoardInter;
@Controller
public class WriterController {
@Autowired
@Qualifier("boardDao")
private BoardInter boardInter;
@RequestMapping(value="write", method=RequestMethod.GET)
public String write() {
return "insform";
}
@RequestMapping(value="write", method=RequestMethod.POST)
public String submit(BoardBean bean) {
boolean b = boardInter.writeData(bean);
if(b)
return "redirect:/list";
else
return "err";
}
}
pack.model 패키지
** BoardDao.java **
package kr.co.model;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import kr.co.controller.BoardBean;
@Repository
public class BoardDao implements BoardInter{
private DataSource ds;
private Connection conn;
private PreparedStatement pstmt;
private ResultSet rs;
@Autowired
public BoardDao(MyDataSource dataSource) {
try {
ds = dataSource;
} catch (Exception e) {
System.out.println("MyDataSource err" + e);
}
}
public List<BoardDto> list() {
ArrayList<BoardDto> list = new ArrayList<BoardDto>();
try {
String sql ="select * from miniboard order by num desc";
conn = ds.getConnection();
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()) {
BoardDto dto = new BoardDto();
dto.setNum(rs.getInt("num"));
dto.setAuthor(rs.getString("author"));
dto.setTitle(rs.getString("title"));
dto.setContent(rs.getString("content"));
dto.setBwrite(rs.getString("bwriter"));
dto.setReadcnt(rs.getInt("readcnt"));
list.add(dto);
}
} catch (Exception e) {
System.out.println("list err : " + e);
} finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
return list;
}
public List<BoardDto> search(String name, String value) {
ArrayList<BoardDto> list = new ArrayList<BoardDto>();
try {
String sql ="select * from miniboard" + " where " + name + " like '%" + value + "%'" + " order by num desc";
System.out.println(value);
conn = ds.getConnection();
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()) {
BoardDto dto = new BoardDto();
dto.setNum(rs.getInt("num"));
dto.setAuthor(rs.getString("author"));
dto.setTitle(rs.getString("title"));
dto.setContent(rs.getString("content"));
dto.setBwrite(rs.getString("bwriter"));
dto.setReadcnt(rs.getInt("readcnt"));
list.add(dto);
}
} catch (Exception e) {
System.out.println("list err : " + e);
} finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
return list;
}
public BoardDto detail(String num) {
BoardDto dto = null;
try {
// 상세보기 시 조회수 증가
String sql = "update miniboard set readcnt=readcnt + 1 where num=?";
conn = ds.getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, num);
pstmt.executeUpdate();
sql = "select * from miniboard where num=?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, num);
rs = pstmt.executeQuery();
if(rs.next()) {
dto = new BoardDto();
dto.setNum(rs.getInt("num"));
dto.setAuthor(rs.getString("author"));
dto.setTitle(rs.getString("title"));
dto.setContent(rs.getString("content"));
dto.setBwrite(rs.getString("bwriter"));
dto.setReadcnt(rs.getInt("readcnt"));
}
} catch (Exception e) {
System.out.println("detail err " + e);
}finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
return dto;
}
public boolean writeData(BoardBean bean) {
boolean b = false;
try {
conn = ds.getConnection();
String sql ="insert into miniboard(author,title,content)values(?,?,?);";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, bean.getAuthor());
pstmt.setString(2, bean.getTitle());
pstmt.setString(3, bean.getContent());
if(pstmt.executeUpdate() > 0) b = true;
} catch (Exception e) {
System.out.println("writeData err " + e);
}finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
return b;
}
public boolean update(BoardBean bean) {
boolean b = false;
try {
String sql = "update miniboard set author=?, title=?, content=? where num=?";
conn = ds.getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, bean.getAuthor());
pstmt.setString(2, bean.getTitle());
pstmt.setString(3, bean.getContent());
pstmt.setInt(4, bean.getNum());
if(pstmt.executeUpdate() > 0) b = true;
} catch (Exception e) {
System.out.println("update err " + e);
}finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
return b;
}
public boolean delete(String num) {
boolean b = false;
try {
String sql = "delete from miniboard where num=?";
conn= ds.getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, num);
if(pstmt.executeUpdate() > 0) b = true;
} catch (Exception e) {
System.out.println("update err " + e);
}finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (Exception e2) {
// TODO: handle exception
}
}
return b;
}
}
** BoardDto.java **
package kr.co.model;
public class BoardDto {
private int num, readcnt;
private String author, title, content, bwrite;
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public int getReadcnt() {
return readcnt;
}
public void setReadcnt(int readcnt) {
this.readcnt = readcnt;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getBwrite() {
return bwrite;
}
public void setBwrite(String bwrite) {
this.bwrite = bwrite;
}
}
** BoardInter.java **
package kr.co.model;
import java.util.List;
import kr.co.controller.BoardBean;
public interface BoardInter {
List<BoardDto> list();
boolean writeData(BoardBean bean);
List<BoardDto> search(String name, String value);
BoardDto detail(String num);
boolean update(BoardBean bean);
boolean delete(String num);
}
** MyDataSource.java **
package kr.co.model;
import org.springframework.jdbc.datasource.DriverManagerDataSource; //BasicDataSource
import org.springframework.stereotype.Repository;
@Repository("dataSource")
public class MyDataSource extends DriverManagerDataSource {
public MyDataSource() {
setDriverClassName("org.mariadb.jdbc.Driver");
setUsername("root");
setPassword("123");
}
}
webapp 폴더
** detail.jsp **
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
window.onload= function() {
document.getElementById("btnList").onclick = function(){
location.href="list";
};
document.getElementById("btnUpdate").onclick = function(){
if(confirm("정말 수정?")){
// 입력자료 오류 검사 생략
frm.action = "update";
frm.submit();
}
};
document.getElementById("btnDelete").onclick = function(){
if(confirm("정말 삭제?")){
//frm.action="delete?num=" + frm.num.value;
frm.action = "delete";
frm.submit();
}
};
}
</script>
</head>
<body>
* 상세보기 *<p/>
<form name="frm" method="post">
글 번호 : ${dto.num}
<input type="hidden" name="num" value="${dto.num}">
<br>
작성자 : <input type="text" name="author" value="${dto.author}"><br>
글제목 : <input type="text" name="title" value="${dto.title}"><br>
글내용 : <textarea rows="5" cols="50" name="content">${dto.content}</textarea><br>
작성일 : ${dto.bwrite}<br>
조회수 : ${dto.readcnt}<br>
<input type="button" value="목록" id="btnList">
<input type="button" value="수정" id="btnUpdate">
<input type="button" value="삭제" id="btnDelete">
</form>
</body>
</html>
** insform.jsp **
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
** 글쓰기 ** <p/>
<form action="write" method="post">
글제목 : <input type="text" name="title"><br>
작성자 : <input type="text" name="author"><br>
글내용 : <textarea rows="5" cols="30" name="content"></textarea>
<br><br>
<input type="submit" value="저장">
</form>
</body>
</html>
** list.jsp **
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
* 미니 게시판(DB는 전통적인 방식) *<p/>
<a href="write">글쓰기</a>
<table border="1">
<tr>
<th>번호</th><th>제목</th><th>작성자</th><th>조회수</th>
<c:forEach var="b" items="${list}">
<tr>
<td>${b.num}</td>
<td><a href="detail?num=${b.num}">${b.title}</a></td>
<td>${b.author}</td>
<td>${b.readcnt}</td>
</tr>
</c:forEach>
<!-- 검색 -->
<tr>
<td colspan="4">
<form action="search" method="post">
<select name="searchName">
<option value="author">작성자</option>
<option value="title">제목</option>
</select>
<input type="text" name="searchValue">
<input type="submit" value="검색하기">
</form>
</tr>
</table>
</body>
</html>
** mvc-config.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan
base-package="kr.co.controller"/>
<context:component-scan
base-package="kr.co.model"/>
<mvc:annotation-driven />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- Example: a logical view name of 'showMessage' is mapped to '/WEB-INF/jsp/showMessage.jsp' -->
<property name="prefix" value="/WEB-INF/view/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
** web.xml **
<?xml version="1.0" encoding="ISO-8859-1"?>
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
id="WebApp_ID" version="2.5">
<display-name>sweb18_miniboard</display-name>
<!-- - Location of the XML file that defines the root application context.
- Applied by ContextLoaderListener. -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/application-config.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- - Servlet that dispatches request to registered handlers (Controller
implementations). -->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/mvc-config.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
** inde.jsp **
<!DOCTYPE html>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<html>
<head>
<meta charset="utf-8">
<title>Welcome</title>
</head>
<body>
<a href="list">미니게시판</a>
</body>
</html>
그 외
** pom.xml **
<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/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework.samples.service.service</groupId>
<artifactId>sweb18_miniboard</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- Generic properties -->
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- Web -->
<jsp.version>2.2</jsp.version>
<jstl.version>1.2</jstl.version>
<servlet.version>2.5</servlet.version>
<!-- Spring -->
<spring-framework.version>4.3.11.RELEASE</spring-framework.version>
<!-- Logging -->
<logback.version>1.0.13</logback.version>
<slf4j.version>1.7.5</slf4j.version>
</properties>
<dependencies>
<!-- Spring MVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Other Web dependencies -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp.version}</version>
<scope>provided</scope>
</dependency>
<!-- Spring and Transactions -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Logging with SLF4J & LogBack -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<scope>runtime</scope>
</dependency>
<!-- RDBMS : MariaDb driver -->
<dependency>
<groupId>org.mariadb.jdbc</groupId>
<artifactId>mariadb-java-client</artifactId>
<version>2.2.3</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
<version>2.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.11.RELEASE</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<!-- Mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency>
</dependencies>
</project>
결과 이미지
본 포스팅은 KIC 캠퍼스에서 박영권 강사의 지도하에 공부하며 작성한 리포트입니다.
혹시 잘못된 내용이 있거나 문제 소지시 댓글 남겨주시면 조치하겠습니다.
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