1.BoardBean.java - 속성 추가
private String b_rfname;
public String getB_rfname() {
return b_rfname;
}
public void setB_rfname(String b_rfname) {
this.b_rfname = b_rfname;
}2.BoardDBBean.java - 메소드 수정 및 추가
public int insertBoard(BoardBean board) throws Exception {
String sql = "SELECT MAX(B_ID) FROM boardT"; // id 최대값
int re = -1;
int number;
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
int id = board.getB_id();
int ref = board.getB_ref();
int step = board.getB_step();
int level = board.getB_level();
int count = 0;
try {
conn = getConnection();
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
if (rs.next()) {
number = rs.getInt(1) + 1;
} else {
number = 1;
}
if (id != 0) { // 답변 글쓰기 이면 업데이트 쿼리 실행
sql = "UPDATE boardT SET B_STEP = B_STEP+1 WHERE B_REF = ? AND B_STEP > ?";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, ref);
pstmt.setInt(2, step);
pstmt.executeUpdate();
step = step + 1;
level = level + 1;
} else {
ref = number;
step = 0;
level = 0;
}
sql = "INSERT INTO boardT VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, number);
pstmt.setString(2, board.getB_name());
pstmt.setString(3, board.getB_email());
pstmt.setString(4, board.getB_title());
pstmt.setString(5, board.getB_content());
pstmt.setTimestamp(6, board.getB_date());
pstmt.setInt(7, board.getB_hit());
// 조회수 컬럼의 초기값을 0으로 설정 > 데이터 구조에서 디폴트값을 0으로 설정(글쓰면 조회수 0이기 때문)
pstmt.setString(8, board.getB_pwd());
pstmt.setString(9, board.getB_ip());
pstmt.setInt(10, ref);
pstmt.setInt(11, step);
pstmt.setInt(12, level);
pstmt.setString(13, board.getB_fname());
pstmt.setInt(14, board.getB_fsize()); // 파일 크기
pstmt.setString(15, board.getB_rfname()); // 파일 이름
pstmt.executeUpdate();
re=1;
} catch (SQLException ex) {
System.out.print("글쓰기 실패");
ex.printStackTrace();
} finally {
try {
if (rs != null) {
rs.close();
}
if (pstmt != null) {
pstmt.close();
}
if (conn != null) {
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return re;
}
public BoardBean getBoard(int b_id, boolean hitAdd) throws Exception {
String sql = "";
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
BoardBean bb = null;
try {
if (hitAdd == true) { // 게시글 볼때는 true, 수정할 때는 false
sql = "UPDATE boardT SET B_HIT=B_HIT+1 WHERE B_ID = ?";
// 조회수 수정하는 쿼리문 해당 메소드가 실행될 때 조회수 1씩 증가해서 업데이트 쿼리 실행
conn = getConnection();
;
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, b_id);
pstmt.executeUpdate(); // 쿼리 실행
} else {
conn = getConnection();
}
sql = "SELECT B_ID, B_EMAIL, B_TITLE, B_NAME, B_CONTENT, B_DATE, B_HIT, B_PWD"
+ ", B_IP, B_REF, B_STEP, B_LEVEL, B_FNAME, B_FSIZE, B_RFNAME FROM boardT where B_ID = ?";
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, b_id);
rs = pstmt.executeQuery();
if (rs.next()) {
bb = new BoardBean();
bb.setB_id(b_id);
bb.setB_name(rs.getString("B_NAME"));
bb.setB_email(rs.getString("B_EMAIL"));
bb.setB_title(rs.getString("B_TITLE"));
bb.setB_content(rs.getString("B_CONTENT"));
bb.setB_date(rs.getTimestamp("B_DATE"));
bb.setB_hit(rs.getInt("B_HIT"));
bb.setB_pwd(rs.getString("B_PWD"));
bb.setB_ip(rs.getString("B_IP"));
bb.setB_ref(rs.getInt("B_REF"));
bb.setB_step(rs.getInt("B_STEP"));
bb.setB_level(rs.getInt("B_LEVEL"));
bb.setB_fname(rs.getString("B_FNAME"));
bb.setB_fsize(rs.getInt("B_FSIZE"));
bb.setB_rfname(rs.getString("B_RFNAME"));
}
} catch (SQLException ex) {
System.out.print("조회 실패");
ex.printStackTrace();
} finally {
try {
if (rs != null) {
rs.close();
}
if (pstmt != null) {
pstmt.close();
}
if (conn != null) {
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return bb;
}
public BoardBean getFileName(int b_id) throws Exception {
String sql = "SELECT B_FNAME, B_RFNAME FROM boardT where B_ID = ?";
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
BoardBean bb = null;
try {
conn = getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, b_id);
rs = pstmt.executeQuery();
if (rs.next()) {
bb = new BoardBean();
bb.setB_fname(rs.getString("B_FNAME"));
bb.setB_rfname(rs.getString("B_RFNAME"));
}
} catch (SQLException ex) {
System.out.print("조회 실패");
ex.printStackTrace();
} finally {
try {
if (rs != null) {
rs.close();
}
if (pstmt != null) {
pstmt.close();
}
if (conn != null) {
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return bb;
}3.write_ok.jsp - 업로드 방식 변경
<%@page import="java.util.Enumeration"%>
<%@page import="com.oreilly.servlet.multipart.DefaultFileRenamePolicy"%>
<%@page import="com.oreilly.servlet.MultipartRequest"%>
<%@page import="com.jspsmart.upload.File"%>
<%@page import="java.net.InetAddress"%>
<%@page import="magic.board.BoardDBBean"%>
<%@page import="java.sql.Timestamp"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<% request.setCharacterEncoding("UTF-8"); %>
<jsp:useBean class="magic.board.BoardBean" id="board"></jsp:useBean>
<jsp:setProperty property="*" name="board"/>
<%
String path = request.getRealPath("upload");
int size = 1024*1024; // 1MB로 크기 제한
int fileSize = 0;
String file = "";
String oriFile = "";
MultipartRequest multi = new MultipartRequest(request, path, size, "UTF-8", new DefaultFileRenamePolicy());
// DefaultFileRenamePolicy : 파일 이름 중복이면 변경
Enumeration files = multi.getFileNames();
String str = (String)files.nextElement();
file = multi.getFilesystemName(str); // 파일 이름을 가져옴
if(file != null){
oriFile = multi.getOriginalFileName(str); // 원본 이름
fileSize = file.getBytes().length;
}
%>
<%
InetAddress address = InetAddress.getLocalHost();
String ip = address.getHostAddress();
String content = multi.getParameter("b_content");
content = content.replace("\r\n", "<br>");
board.setB_name(multi.getParameter("b_name"));
board.setB_email(multi.getParameter("b_email"));
board.setB_title(multi.getParameter("b_title"));
board.setB_content(content);
board.setB_pwd(multi.getParameter("b_pwd"));
board.setB_id(Integer.parseInt(multi.getParameter("b_id")));
board.setB_ref(Integer.parseInt(multi.getParameter("b_ref")));
board.setB_step(Integer.parseInt(multi.getParameter("b_step")));
board.setB_level(Integer.parseInt(multi.getParameter("b_level")));
board.setB_date(new Timestamp(System.currentTimeMillis()));
board.setB_ip(ip);
if(file != null){
board.setB_fname(file);
board.setB_fsize(fileSize);
board.setB_rfname(oriFile);
}
BoardDBBean db = BoardDBBean.getInstance();
int re = db.insertBoard(board);
if(re == 1){
response.sendRedirect("list.jsp");
}else{
response.sendRedirect("write.jsp");
}
%>4.show.jsp - 파일 다운로드 변경
<%@page import="java.text.SimpleDateFormat"%>
<%@page import="magic.board.BoardBean"%>
<%@page import="magic.board.BoardDBBean"%>
<%@ 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>
</head>
<body>
<%
BoardDBBean bdb = BoardDBBean.getInstance();
BoardBean bb = bdb.getBoard(Integer.parseInt(request.getParameter("b_id")),true);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
String pageNum = request.getParameter("pageNum");
%>
<center>
<h1>글 내 용 보 기</h1>
<table border="1" width="600" cellspacing="0">
<tr height="30" align="center">
<td width="100">글번호</td>
<td width="200"><%= bb.getB_id() %></td>
<td width="100">조회수</td>
<td width="200"><%= bb.getB_hit() %></td>
</tr>
<tr height="30" align="center">
<td width="100" >작성자</td>
<td width="200"><%= bb.getB_name() %></td>
<td width="100" >작성일</td>
<td width="200"><%= sdf.format(bb.getB_date()) %></td>
<tr height="30">
<td width="100" align="center">파 일</td>
<td colspan="3">
<%
out.print("<p>첨부파일 "+"<a href='FileDownload.jsp?fileNum="+bb.getB_id()+"'>"+bb.getB_rfname()+"</a></p>");
%>
</td>
</tr>
<tr height="30">
<td width="100" align="center">글제목</td>
<td width="200" colspan="3"><%= bb.getB_title() %></td>
</tr>
<tr height="30">
<td width="100" align="center">글내용</td>
<td width="200" colspan="3"><%= bb.getB_content() %></td>
</tr>
<tr height="30">
<td colspan="4" align="right">
<input type="button" value="글수정" onclick="location.href='edit.jsp?b_id=<%= bb.getB_id() %>&pageNum=<%= pageNum %>'" />
<input type="button" value="글삭제" onclick="location.href='delete.jsp?b_id=<%= bb.getB_id() %>&pageNum=<%= pageNum %>'" />
<input type="button" value="답변글" onclick="location.href='write.jsp?b_id=<%= bb.getB_id() %>&pageNum=<%= pageNum %>'" />
<input type="button" value="글목록" onclick="location.href='list.jsp?pageNum=<%= pageNum %>'" />
</td>
</tr>
</table>
</center>
</body>
</html>5.FileDownload.jsp
<%@page import="java.io.BufferedOutputStream"%>
<%@page import="java.io.BufferedInputStream"%>
<%@page import="magic.board.BoardBean"%>
<%@page import="java.io.OutputStream"%>
<%@page import="java.io.FileInputStream"%>
<%@page import="java.io.File"%>
<%@page import="magic.board.BoardDBBean"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
int bid = Integer.parseInt(request.getParameter("fileNum"));
BoardDBBean bdb = BoardDBBean.getInstance();
BoardBean board = bdb.getFileName(bid);
String fName = "";
String rfName = "";
if(board != null) {
fName = board.getB_fname();
rfName = board.getB_rfname();
}
String saveDirectory = application.getRealPath("/upload"); // 저장 경로
String fPath = saveDirectory + File.separator + fName; // separator : 경로 구분자 '/' '\'
File file = new File(fPath);
long length = file.length();
rfName = new String(rfName.getBytes("ms949"), "8859_1"); // ms949 : 한글 인코딩
response.setContentType("application/octet-stream"); // 8비트로 된 데이터(지정되지 않은 파일 형식)
response.setContentLength((int)length);
response.setHeader("Content-Disposition", "attachment;filename=" + rfName); // 파일 링크를 클릭했을때 다운로드 화면이 출력되게 처리함
BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
out.clear();
out = pageContext.pushBody(); // 출력할게 남아 있으면 다 비움
BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream());
int data;
while((data = bis.read()) != -1){ // End of File
bos.write(data);
}
bis.close();
bos.close();
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