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[404]不能的doGet（）來的doPost（）。（在board_write）
我想連接到 'boardWrite.jsp' 點擊時有色（寫入）按鈕。 （使用命令） 其他功能表現不錯，但只有這是錯誤的。
錯誤消息是404這樣的
當我嘗試調試，我發現，它不能從doGet()去doPost()在BoardServlet.java以下。
這裏是我的代碼...
由於我是新手，我的問題看起來荒謬的，我知道。 但現在對我來說很重要..然後，我希望我能在這裏得到幫助。 我做我的最好..
***1. boardlist.jsp***
`<body>
<div id="wrap" align="center">
<h1>게시글 리스트</h1>
<table class="list">
<tr>
<td colspan=5 style="border:white; text-align:right">
<a href = "BoardServlet?command=board_write_form">게시글등록</a>
</td>
</tr>
<tr>
<th>번호</th>
<th>제목</th>
<th>작성자</th>
<th>작성일</th>
<th>조회</th>
</tr>
<c:forEach var="board" items="${boardList}">
<tr class = "record">
<td>${board.num}</td>
<td><a href="BoardServlet?command=board_view&num=${board.num}">${board.title}</a></td>
<td>${board.name}</td>
<td><fmt:formatDate value="${board.writedate}" /></td>
<td>${board.readcount}</td>
</tr>
</c:forEach>
</table>
</div>`
2. BoardServlet.java
package com.board.controller;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.board.controller.action.Action;
/**
* Servlet implementation class BoardServlet
*/
@WebServlet("/BoardServlet")
public class BoardServlet extends HttpServlet { //컨트롤러 클래스
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public BoardServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
String command = request.getParameter("command");
System.out.println("BoardServlet에서 요청을 받음을 확인 :"+command);
ActionFactory af = ActionFactory.getInstance();
Action action = af.getAction(command);
if(action!=null){
action.execute(request, response);
}
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
request.setCharacterEncoding("UTF-8");
doGet(request, response);
}
}
***2.ActionFactory.java***
`package com.board.controller;
import com.board.controller.action.Action;
import com.board.controller.action.BoardListAction;
import com.board.controller.action.BoardViewAction;
import com.board.controller.action.BoardWriteAction;
import com.board.controller.action.BoardWriteFormAction;
public class ActionFactory {
private static ActionFactory instance = new ActionFactory();
private ActionFactory(){
super();
}
public static ActionFactory getInstance(){
return instance;
}
// 요청된 명령어별로 분기 처리하는 메서드
public Action getAction(String command){
Action action = null;
System.out.println("ActionFactory:"+command);
if(command.equals("board_list")){
action = new BoardListAction(); // 객체를 생성했다는 말은 => 해당 객체의 클래스를 찾아간다는 의미로 받아들여도 된다.
}else if(command.equals("board_view")){
action = new BoardViewAction();
}else if(command.equals("board_write_form")){
action = new BoardWriteFormAction();
}else if(command.equals("board_write")){
action = new BoardWriteAction();
}
return action;
}
}`
3. BoardDAO.java
' public class BoardDAO {
private BoardDAO(){}
private static BoardDAO instance = new BoardDAO();
public static BoardDAO getInstance(){
return instance;
}
public List<BoardVO> selectAllBoard(){
String sql = "select * from board order by num desc";
List<BoardVO> list = new ArrayList<BoardVO>();
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try{
conn=DBManager.getConnection();
stmt = conn.createStatement();
rs = stmt.executeQuery(sql);
while(rs.next()){
BoardVO bVo = new BoardVO();
bVo.setNum(rs.getInt("num"));
bVo.setTitle(rs.getString("title"));
bVo.setName(rs.getString("name"));
bVo.setPass(rs.getString("pass"));
bVo.setContent(rs.getString("content"));
bVo.setReadcount(rs.getInt("readcount"));
bVo.setWritedate(rs.getTimestamp("writedate"));
list.add(bVo);
}
}catch(SQLException e){
e.printStackTrace();
}finally{
DBManager.close(rs, stmt, conn);
}
return list;
}
// 글 내용의 readcount 값 증가
public void updateReadCount(String num){
String sql = "update board set readcount=readcount+1 where num=?";
Connection conn = null;
PreparedStatement pstmt = null;
try{
conn = DBManager.getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, num);
pstmt.executeUpdate();
}catch(SQLException e){
e.printStackTrace();
}finally{
DBManager.close(pstmt, conn);
}
}
// 게시판 글 상세 내용 보기
public BoardVO selectBoardByNum(String num){
String sql = "select * from board where num=?";
BoardVO bVo = null;
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try{
conn = DBManager.getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, num);
rs = pstmt.executeQuery();
if(rs.next()){
bVo = new BoardVO();
bVo.setNum(rs.getInt("num"));
bVo.setName(rs.getString("name"));
bVo.setTitle(rs.getString("title"));
bVo.setPass(rs.getString("pass"));
bVo.setEmail(rs.getString("email"));
bVo.setTitle(rs.getString("title"));
bVo.setContent(rs.getString("content"));
bVo.setWritedate(rs.getTimestamp("writedate"));
bVo.setReadcount(rs.getInt("readCount"));
}
}catch(Exception e){
e.printStackTrace();
}finally{
DBManager.close(rs, pstmt, conn);
}
return bVo;
}
//게시글 등록
public void insertBoard(BoardVO bVo){
String sql = "insert into board("
+ "num, name, email, pass, title, content)"
+ "values(board_seq.nextVal, ?, ?, ?, ?, ?)";
Connection conn = null;
PreparedStatement pstmt = null;
try{
conn = DBManager.getConnection();
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, bVo.getName());
pstmt.setString(2, bVo.getEmail());
pstmt.setString(3, bVo.getPass());
pstmt.setString(4, bVo.getTitle());
pstmt.setString(5, bVo.getContent());
pstmt.executeUpdate();
}catch(SQLException ex){
ex.printStackTrace();
}finally{
DBManager.close(pstmt, conn);
}
}
}'
***4. BoardWriteFormAction.java***
public class BoardWriteFormAction implements Action {
@Override
public void execute(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
String url = "\board\boardWrite.jsp";
RequestDispatcher dispatcher = request.getRequestDispatcher(url);
dispatcher.forward(request, response);
}
}
看起來像你沒有正確部署這個jsp，因爲錯誤是提到'％08oard％08oardWrite.jsp'這與'BoardServlet'無關。 –