// 프로젝트 시작 설정
<?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.itbank</groupId>
<artifactId>mavenBoard</artifactId>
<name>mavenBoard</name>
<packaging>war</packaging>
<version>1.0.0-BUILD-SNAPSHOT</version>
<properties>
<java-version>1.8</java-version>
<org.springframework-version>5.2.25.RELEASE</org.springframework-version>
<org.aspectj-version>1.6.10</org.aspectj-version>
<org.slf4j-version>1.6.6</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>
***********************************************************
<!-- root-context.xml 에서 class 에러나면 추가 -->
<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>
<!-- 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>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
***********************************************************
<!-- oracle -->
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc8</artifactId>
<version>18.0.0</version>
</dependency>
<!-- mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.3</version>
</dependency>
<!-- mybatis-spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
***********************************************************
<!-- Test -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</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>1.6</source>
<target>1.6</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>
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee https://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- The definition of the Root Spring Container shared by all Servlets and Filters -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/root-context.xml</param-value>
</context-param>
<!-- Creates the Spring Container shared by all Servlets and Filters -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Processes application requests -->
<servlet>
<servlet-name>appServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>appServlet</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>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd">
<!-- Root Context: defines shared resources visible to all other web components -->
**********************************************************************************
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/>
<property name="url" value="jdbc:oracle:thin:@localhost:1521:xe"/>
<property name="username" value="fin02"/>
<property name="password" value="fin02"/>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 별칭 지정 패키지 경로를 value에 기재 -->
<property name="typeAliasesPackage" value="com.itbank.mavenBoard.dto" />
<!-- mapper의 위치 기재 -->
<property name="mapperLocations" value="classpath:com/itbank/mavenBoard/dto/*.xml" />
</bean>
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"/>
</bean>
**********************************************************************************
</beans>
<?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.itbank.mavenBoard" />
*****************************************************************
</beans:beans>
// MavenBoard 실행 (/)
package com.itbank.mavenBoard;
import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
/**
* Handles requests for the application home page.
*/
@Controller
public class HomeController {
private static final Logger logger = LoggerFactory.getLogger(HomeController.class);
/**
* Simply selects the home view to render by returning its name.
*/
@RequestMapping(value = "/", method = RequestMethod.GET)
public String home(Locale locale, Model model) {
return "index";
}
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!-- index.jsp -->
<html>
<head>
<title>학생관리</title>
</head>
<body>
<h1 align="center">스프링으로 공부하는 게시판관리프로그램</h1>
<ul><li>
<h3><a href="list_board.do">게시판으로 가기</a></h3>
</li></ul>
</body>
</html>
// 게시판 메인(list_board.do)
package com.itbank.mavenBoard;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import com.itbank.mavenBoard.dto.BoardDTO;
import com.itbank.mavenBoard.service.BoardMapper;
@Controller
public class BoardController {
@Autowired
BoardMapper boardMapper;
@RequestMapping("/list_board.do")
public String listBoard(HttpServletRequest req) {
//List<BoardDTO> list = boardDAO.listBoard();
List<BoardDTO> list = boardMapper.listBoard();
req.setAttribute("listBoard", list);
return "board/list";
}
}
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itbank.mavenBoard.dto.boardMapper">
<select id="listBoard" resultType="boardDTO"><!-- configuration.xml에서 alias 줬기 때문에 student.dto.StudentDTO 안써도됨 -->
select * from board order by num desc
</select>
</mapper>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" %>
<!-- list.jsp -->
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<link rel="stylesheet" type="text/css" href="style.css">
<div align="center">
<b>글 목 록</b>
<table border="0" width="100%">
<tr bgcolor="yellow">
<td align="right">
<a href="write_board.do">글쓰기</a>
</td>
</tr>
</table>
<table border="1" width="100%">
<tr bgcolor="green">
<th>번호</th>
<th width="30%">제목</th>
<th>작성자</th>
<th>작성일</th>
<th>조회</th>
<th>IP</th>
</tr>
<c:if test="${empty listBoard}">
<tr>
<td colspan="6">등록된 게시글이 없습니다.</td>
</tr>
</c:if>
<c:forEach var="dto" items="${listBoard}">
<tr>
<td align="center">${dto.num}</td>
<td align="left">
<c:if test="${dto.re_level > 0}">
<img src="img/level.gif" width="${dto.re_level*10}">
<img src="img/re.gif">
</c:if>
<a href="content.do?num=${dto.num}">${dto.subject}</a>
<c:if test="${dto.readcount > 10}">
<img src="img/hot.gif">
</c:if>
</td>
<td align="center">${dto.writer}</td>
<td align="center">${dto.reg_date}</td>
<td align="right">${dto.readcount}</td>
<td align="center">${dto.ip}</td>
</tr>
</c:forEach>
</table>
</div>
// 게시글 작성(write_board.do - GET)
@RequestMapping(value="/write_board.do", method=RequestMethod.GET)
public String wirteFormBoard() {
return "board/writeForm";
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!-- writeForm.jsp -->
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript">
function check(){
if (f.writer.value==""){
alert("이름을 입력해 주세요!!")
f.writer.focus()
return false
}
if (f.subject.value==""){
alert("제목을 입력해 주세요!!")
f.subject.focus()
return false
}
if (f.content.value==""){
alert("내용을 입력해 주세요!!")
f.content.focus()
return false
}
if (f.passwd.value==""){
alert("비밀번호를 입력해 주세요!!")
f.passwd.focus()
return false
}
return true
}
</script>
<div align="center">
<form name="f" action="write_board.do" method="post" onsubmit="return check()">
<input type="hidden" name="num" value="${num}"/>
<input type="hidden" name="re_step" value="${re_step}"/>
<input type="hidden" name="re_level" value="${re_level}"/>
<table border="1" width="80%">
<tr bgcolor="yellow">
<td align="center" colspan="2">글 쓰 기</td>
</tr>
<tr>
<th bgcolor="yellow" width="20%">이 름</th>
<td width="80%"><input type="text" name="writer" class="box"></td>
</tr>
<tr>
<th bgcolor="yellow">제 목</th>
<td><input type="text" name="subject" class="box" size="50"></td>
</tr>
<tr>
<th bgcolor="yellow">Email</th>
<td><input type="text" name="email" class="box" size="50"></td>
</tr>
<tr>
<th bgcolor="yellow">내 용</th>
<td><textarea name="content" rows="11" cols="50" class="box"></textarea></td>
</tr>
<tr>
<th bgcolor="yellow" width="20%">비밀번호</th>
<td width="80%"><input type="password" name="passwd" class="box"></td>
</tr>
<tr bgcolor="yellow">
<td colspan="2" align="center">
<input type="submit" value="글쓰기">
<input type="reset" value="다시작성">
<input type="button" value="목록보기" onclick="window.location='list_board.do'">
</td>
</tr>
</table>
</form>
</div>
// 게시글 작성(write_board.do - POST)
@RequestMapping(value="/write_board.do", method=RequestMethod.POST)
public String wirteProBoard(HttpServletRequest req, BoardDTO dto) {
dto.setIp(req.getRemoteAddr()); // IP주소 세팅
if(dto.getNum()==0) { // 새글인 경우
dto.setRe_step(0); // 새글. 어차피 0으로 들어가있으니까 안써도됨
dto.setRe_level(0); // 새글. 어차피 0으로 들어가있으니까 안써도됨
} else { // 답글인 경우
dto.setRe_step(dto.getRe_step()+1); // 기존의 원글 re_step에서 +1
dto.setRe_level(dto.getRe_level()+1); // 기존의 원글 re_level에서 +1
}
int res = boardMapper.insertBoard(dto);
return "redirect:list_board.do";
}
<insert id="insertBoard" parameterType="boardDTO">
<!-- int형의 resultType은 별도로 지정안해줘도됨. 알아서 1, 0으로 반환함 -->
insert into board values(board_seq.nextval, #{writer}, #{email}, #{subject}, #{passwd}, sysdate, 0, #{content}, #{ip}, #{re_step}, #{re_level})
</insert>
// 게시글 상세보기(content.do)
@RequestMapping("/content.do")
public String contentBoard(HttpServletRequest req, int num) {
int res = boardMapper.plusReadcount(num);
BoardDTO dto = boardMapper.getBoard(num);
req.setAttribute("getBoard", dto);
return "board/content";
}
<insert id="insertBoard" parameterType="boardDTO">
<!-- int형의 resultType은 별도로 지정안해줘도됨. 알아서 1, 0으로 반환함 -->
insert into board values(board_seq.nextval, #{writer}, #{email}, #{subject}, #{passwd}, sysdate, 0, #{content}, #{ip}, #{re_step}, #{re_level})
</insert>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!-- content.jsp -->
<link rel="stylesheet" type="text/css" href="style.css">
<div align="center">
<b>글내용 보기</b>
<table border="1" width="100%">
<tr>
<th width="20%" bgcolor="yellow">글번호</th>
<td align="center">${getBoard.num}</td>
<th width="20%" bgcolor="yellow">조회수</th>
<td align="center">${getBoard.readcount}</td>
</tr>
<tr>
<th width="20%" bgcolor="yellow">작성자</th>
<td align="center">${getBoard.writer}</td>
<th width="20%" bgcolor="yellow">작성일</th>
<td align="center">${getBoard.reg_date}</td>
</tr>
<tr>
<th width="20%" bgcolor="yellow">글제목</th>
<td align="left" colspan="3">${getBoard.subject}</td>
</tr>
<tr>
<th width="20%" bgcolor="yellow">글내용</th>
<td align="left" colspan="3">${getBoard.content}</td>
</tr>
<tr bgcolor="yellow">
<td align="right" colspan="4">
<input type="button" value="답글달기"
onclick="window.location='write_board.do?num=${getBoard.num}&re_step=${getBoard.re_step}&re_level=${getBoard.re_level}'">
<input type="button" value="글수정"
onclick="window.location='update.do?num=${getBoard.num}'">
<input type="button" value="글삭제"
onclick="window.location='delete.do?num=${getBoard.num}'">
<input type="button" value="글목록" onclick="window.location='list_board.do'">
</td>
</tr>
</table>
</div>
// 게시글 수정 폼 (update.do - GET)
@RequestMapping(value="/update.do", method=RequestMethod.GET)
public String updateFormBoard(HttpServletRequest req, int num) {
BoardDTO dto = boardMapper.getBoard(num);
req.setAttribute("getBoard", dto);
return "board/updateForm";
}
<select id="getBoard" parameterType="int" resultType="boardDTO">
select * from board where num = #{num}
</select>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!-- updateForm.jsp -->
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript">
function check(){
if (f.subject.value==""){
alert("제목을 입력해 주세요!!")
f.subject.focus()
return false
}
if (f.content.value==""){
alert("내용을 입력해 주세요!!")
f.content.focus()
return false
}
if (f.passwd.value==""){
alert("비밀번호를 입력해 주세요!!")
f.passwd.focus()
return false
}
return true
}
</script>
<div align="center">
<form name="f" action="update.do" method="post"
onsubmit="return check()">
<input type="hidden" name="num" value="${getBoard.num}"/>
<h3>글수정</h3><br>
<table border="1" width="80%">
<tr>
<th bgcolor="yellow" width="20%">이 름</th>
<td width="80%"><input type="text" name="writer" class="box"
value="${getBoard.writer}" readOnly></td>
</tr>
<tr>
<th bgcolor="yellow">제 목</th>
<td><input type="text" name="subject" class="box" size="50"
value="${getBoard.subject}"></td>
</tr>
<tr>
<th bgcolor="yellow">Email</th>
<td><input type="text" name="email" class="box"
size="50" value="${getBoard.email}"></td>
</tr>
<tr>
<th bgcolor="yellow">내 용</th>
<td><textarea name="content" rows="11" cols="50" class="box">${getBoard.content}</textarea></td>
</tr>
<tr>
<th bgcolor="yellow" width="20%">비밀번호</th>
<td width="80%"><input type="password" name="passwd" class="box"></td>
</tr>
<tr bgcolor="yellow">
<td colspan="2" align="center">
<input type="submit" value="글수정">
<input type="reset" value="다시작성">
<input type="button" value="목록보기" onclick="window.location='list_board.do'">
</td>
</tr>
</table>
</form>
</div>
// 게시글 수정 처리 (update.do - POST)
@RequestMapping(value="/update.do", method=RequestMethod.POST)
public String updateProBoard(@ModelAttribute BoardDTO dto, BindingResult result) { // 예측가능한(null 세팅) 에러가 날 것 같으면 미리 처리해둘 수 있음. 에러가 나면 BindingResult에 담아두겠다.
if(result.hasErrors()) { // dto객체를 만드는 중 에러가 난다면
dto.setNum(0); // 0으로 세팅한다. 내가 알아서 해결하는 코드
}
int res = boardMapper.updateBoard(dto);
return "redirect:list_board.do";
}
<update id="updateBoard" parameterType="boardDTO">
update board set subject=#{subject}, email=#{email}, content=#{content} where num=#{num}
</update>
// 게시글 삭제 폼 (delete.do - GET)
@RequestMapping(value="/delete.do", method=RequestMethod.GET)
public String deleteFormBoard() {
return "board/deleteForm";
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!-- deleteForm.jsp -->
<link rel="stylesheet" type="text/css" href="style.css">
<div align="center">
<b>글삭제</b><br><br>
<form name="f" action="delete.do" method="post">
<input type="hidden" name="num" value="${param.num}"/>
<table border="1" width="300">
<tr bgcolor="yellow">
<th>비밀번호를 입력해 주세요.</th>
</tr>
<tr>
<td align="center">비밀번호 : <input type="password" name="passwd"></td>
</tr>
<tr bgcolor="yellow">
<td align="center">
<input type="submit" value="글삭제">
<input type="button" value="글목록" onclick="window.location='list_board.do'">
</td>
</tr>
</table>
</form>
</div>
// 게시글 삭제 처리 (delete.do - POST)
@RequestMapping(value="/delete.do", method=RequestMethod.POST)
public String deleteProBoard(@RequestParam Map<String, String> params) {
BoardDTO dto = boardMapper.getBoard(Integer.parseInt(params.get("num")));
if (dto.getPasswd().equals(params.get("passwd"))) {
int res = boardMapper.deleteBoard(Integer.parseInt(params.get("num")));
}
return "redirect:list_board.do";
}
<delete id="deleteBoard" parameterType="int">
delete from board where num = #{num}
</delete>
// 답변형 게시판에 사용
<select id="plusReadcount" parameterType="int">
update board set readcount = readcount + 1 where num = #{num}
</select>
<select id="getCount" resultType="Integer">
select count(*) from board
</select>
<!-- 페이징 -->
<select id="listBoard2" resultType="boardDTO" parameterType="java.util.Map">
<!-- start, end값을 Map으로 받기 -->
select * from (select rownum rn, A.* from
(select * from board order by re_step asc)A)
where rn between #{start} and #{end}
</select>