MvcWeb-day01

MvcWeb/BoardDAOMyBatis.java

@@ -0,0 +1,116 @@
+package board.model;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.session.SqlSession;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.session.SqlSessionFactoryBuilder;
+
+public class BoardDAOMyBatis {
+
+	private final String NS="board.model.BoardMapper";
+	private String resource="common/config/mybatis-config.xml";//설계도
+	private SqlSession ses;
+
+	public SqlSessionFactory getSessionFactory() {
+		try {
+			InputStream is=Resources.getResourceAsStream(resource);
+			SqlSessionFactory factory=new SqlSessionFactoryBuilder().build(is);
+			return factory;
+		}catch(IOException e) {
+			e.printStackTrace();
+			return null;
+		}		
+	}//-------------------------------------
+
+	public int getTotalCount(String type, String keyword) {	
+
+		Map<String, String> map=new HashMap<>();
+		map.put("findType", type);
+		map.put("findKeyword", keyword);
+
+		ses=this.getSessionFactory().openSession();
+		int count=ses.selectOne(NS+".totalCount" , map);
+		if(ses!=null) ses.close();
+		return count;		
+	}//-------------------------------------
+
+	public int insertBoard(BoardVO vo) {
+		ses=this.getSessionFactory().openSession();//디폴트가 수동 커밋이다.
+		System.out.println("----insert전: vo의 num=>"+vo.getNum());
+
+		int n=ses.insert(NS+".insertBoard", vo);
+
+		System.out.println("----insert후: vo의 num=>"+vo.getNum());
+
+		if(n>0) {
+			ses.commit();
+		}else {
+			ses.rollback();
+		}
+		if(ses!=null) ses.close();
+		return n;
+	}//-------------------------------------
+
+	public List<BoardVO> listBoard(int start, int end, String type, String keyword) {
+		ses=this.getSessionFactory().openSession();
+		//다중행을 가져올 때는 selectList()
+		//단일행을 가져올 때는 selectOne()
+		Map<String,String> map=new HashMap<>();
+		map.put("start", String.valueOf(start));
+		map.put("end", end+"");
+		map.put("findType", type);
+		map.put("findKeyword", keyword);
+
+		List<BoardVO> arr=ses.selectList(NS+".listBoard", map);
+		if(ses!=null) ses.close();
+		return arr;
+	}//-------------------------------------
+
+	public BoardVO viewBoard(int num) {
+		try {
+			ses=this.getSessionFactory().openSession();
+			BoardVO vo=ses.selectOne(NS+".viewBoard", num);
+			return vo;
+		}finally {
+			close();
+		}
+	}//-------------------------------------
+
+	public void close() {
+		if(ses!=null) ses.close();
+	}
+
+	public int deleteBoard(int num) {
+		try {
+			ses=this.getSessionFactory().openSession(true);
+			//디폴트가 수동 커밋, 매개변수로 true를 넘기면 auto commit된다.
+			int n=ses.delete(NS+".deleteBoard", num);
+			return n;
+		} finally {
+			close();
+		}
+	}//-------------------------------------
+
+	public int updateBoard(BoardVO vo) {
+		try {
+			ses=this.getSessionFactory().openSession(true);
+			int n=ses.update(NS+".updateBoard", vo);
+			return n;
+		}finally {
+			close();
+		}
+	}//-------------------------------------
+
+}/////////////////////////////////////////
+
+
+
+
+
+

MvcWeb/BoardMapper.xml

@@ -0,0 +1,78 @@
+<?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="board.model.BoardMapper">
+	<sql id="findWhere">
+		<if test="findType!='' and findKeyword!=''">
+			<where>
+				<if test="findType==1"><!-- 글제목 -->
+					subject like '%'||#{findKeyword}||'%'
+				</if>
+				<if test="findType==2"><!-- 작성자 -->
+					userid like '%'||#{findKeyword}||'%'
+				</if>
+				<if test="findType==3"><!-- 글내용 -->
+					content like '%'||#{findKeyword}||'%'
+				</if>
+			</where>
+		</if>
+	</sql>
+
+	<select id="totalCount"  resultType="_int" parameterType="map" >
+	<!-- resultType : _int (기본자료형 int형), int (래퍼클래스 java.lang.Integer)  -->
+		select count(num) cnt from board
+		<include refid="findWhere"/>		
+	</select>
+	<!-- selectKey를 사용하면 시퀀스 증가한 값을 파라미터로 넘어온 vo에 객체에 setting해주는 기능을 갖는다 -->
+	<insert id="insertBoard" parameterType="Board">
+		<selectKey keyProperty="num" resultType="int" order="BEFORE">
+			select board_seq.nextval from dual
+		</selectKey>
+		insert into board(num, subject, content, userid, wdate, filename, filesize)
+		values(#{num},#{subject},#{content:VARCHAR},#{userid}, systimestamp,#{filename:VARCHAR},#{filesize:NUMERIC})
+	</insert>
+	<insert id="insertBoard_old" parameterType="board.model.BoardVO">
+		insert into board(num, subject, content,userid,wdate, filename, filesize)
+		values(board_seq.nextval, #{subject}, #{content:VARCHAR}, #{userid}, systimestamp,#{filename:VARCHAR},#{filesize:NUMERIC})
+		<!--  BoardVO객체의 getSubject()를 호출해서 #{subject}  값으로 셋팅한다
+			ps.setString(1, vo.getSubject())
+		-->
+	</insert>
+	<!-- #{num} #{value} -->
+
+	<select id="listBoard" resultType="Board" parameterType="map">
+		select * from(
+		select a.*, rownum rn from
+		 (select * from board 
+		 <include refid="findWhere"/>
+		 order by num desc) a
+		 ) 		 
+		 where rn between #{start} and #{end} 		 
+	</select>
+
+	<select id="listBoard_old" resultType="board.model.BoardVO">
+		select * from board order by num desc
+	</select>
+
+	<select id="viewBoard" resultType="board.model.BoardVO" parameterType="_int">
+		select * from board where num=#{value}
+	</select>	
+	<!-- [글삭제] -->
+	<delete id="deleteBoard" parameterType="_int">
+		delete from board where num=#{value}
+	</delete>
+	<!-- [글수정] -->
+	<update id="updateBoard" parameterType="Board">
+		update board set subject=#{subject}, content=#{content:VARCHAR},
+			wdate=systimestamp
+		<if test="filename!=null and filename!=''">
+			, filename=#{filename}, filesize=#{filesize}
+		</if>
+		where num=#{num}
+	</update>
+</mapper>
+
+
+

MvcWeb/BoardVO.java

@@ -0,0 +1,87 @@
+package board.model;
+
+import java.sql.Timestamp;
+
+public class BoardVO {
+
+	private int num;
+	private String userid;
+	private String subject;
+	private String content;
+	private java.sql.Timestamp wdate;
+	private String filename;
+	private long filesize;
+
+	public BoardVO() {
+
+	}
+
+	public BoardVO(int num, String userid, String subject, String content, Timestamp wdate, String filename,
+			long filesize) {
+		super();
+		this.num = num;
+		this.userid = userid;
+		this.subject = subject;
+		this.content = content;
+		this.wdate = wdate;
+		this.filename = filename;
+		this.filesize = filesize;
+	}
+
+	public int getNum() {
+		return num;
+	}
+
+	public void setNum(int num) {
+		this.num = num;
+	}
+
+	public String getUserid() {
+		return userid;
+	}
+
+	public void setUserid(String userid) {
+		this.userid = userid;
+	}
+
+	public String getSubject() {
+		return subject;
+	}
+
+	public void setSubject(String subject) {
+		this.subject = subject;
+	}
+
+	public String getContent() {
+		return content;
+	}
+
+	public void setContent(String content) {
+		this.content = content;
+	}
+
+	public java.sql.Timestamp getWdate() {
+		return wdate;
+	}
+
+	public void setWdate(java.sql.Timestamp wdate) {
+		this.wdate = wdate;
+	}
+
+	public String getFilename() {
+		return filename;
+	}
+
+	public void setFilename(String filename) {
+		this.filename = filename;
+	}
+
+	public long getFilesize() {
+		return filesize;
+	}
+
+	public void setFilesize(long filesize) {
+		this.filesize = filesize;
+	}
+
+}///////////////////////////////////////

MvcWeb/foot.jsp

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+<%@ page language="java" contentType="text/html; charset=UTF-8"
+    pageEncoding="UTF-8"%>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>    
+<!-- foot.jsp -->
+<% 
+	String myctx=request.getContextPath();
+%>
+<style>
+	.mydiv{
+		width:90%;
+		margin:auto;
+		padding:1em;
+		height:130px;
+		background-color:#efefef;
+		display:table;
+	}
+	.mycell{
+		text-align:center;
+		width:100%;
+		height:100%;
+		display: table-cell;
+		vertical-align: middle;
+	}
+</style>
+       </article>
+        <!-- 사이드 영역 -------------------------------->
+        <aside>
+            <!-- 사이드 
+            request에 저장한 값=> requestScope.key
+            session에 저장한 값=> sessionScope.key
+            
+            ${key}
+            -->
+            <nav>
+            <c:if test="${sessionScope.loginUser!=null}">
+               <div class="mydiv">
+               	  <div class="mycell">
+		               <h3>${loginUser.name}[${loginUser.userid}]</h3>
+		               <h3>로그인 중...</h3>
+		               <br>
+		               <h4><a href="${pageContext.request.contextPath}/logout.do">로그아웃</a></h4>
+	               </div>
+               </div>
+            </c:if>   
+
+            </nav>
+
+        </aside>
+        <div class="clear"></div>
+        <!-- 푸터 영역 ------------------------------>
+        <footer>
+            <!-- footer ----------------------->
+            &copy;Copyright/회사소개
+        </footer>
+
+    </div>
+    <!-- div#wrap. container end -->
+</body>
+</html>

MvcWeb/index.jsp

@@ -0,0 +1,17 @@
+<%@ page language="java" contentType="text/html; charset=UTF-8"
+    pageEncoding="UTF-8"%>
+<jsp:include page="/top.jsp"/>    
+<div class="container">
+	<h1>Index</h1>
+	<p>
+	<%=request.getAttribute("msg") %>	<br>
+
+	<div style='color:tomato;font-size:2em'> 
+	el 표현식을 이용해서 출력할 수 있다.<br>
+	${msg}
+	</div>
+
+	</p>
+
+</div>
+<jsp:include page="/foot.jsp"/>

MvcWeb/message.jsp

@@ -0,0 +1,6 @@
+<%@ page language="java" contentType="text/html; charset=UTF-8"
+    pageEncoding="UTF-8"%>
+<script>
+	alert('${msg}');
+	location.href='${loc}';
+</script>