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Model 2 : DispatcherServlet 만들기 본문

Spring

Model 2 : DispatcherServlet 만들기

zsuling 2022. 9. 23. 16:39

[ web.xml ]

 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns="http://Java.sun.com/xml/ns/javaee" 
xmlns:web="http://java.sun.com/xml/ns/javaee" 
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
https://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">

  <servlet>
    <servlet-name>DispatcherServlet</servlet-name>
    <servlet-class>com.springbook.view.controller.DispatcherServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>DispatcherServlet</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
</web-app>
=====================================================================

package com.springbook.view.controller;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class DispatcherServlet
 */
public class DispatcherServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public DispatcherServlet() {
        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
		// response.getWriter().append("Served at: ").append(request.getContextPath());
		
		request.setCharacterEncoding("UTF-8");
		process(request,response );
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) 
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		// doGet(request, response);
		request.setCharacterEncoding("UTF-8");
		process(request,response );
	}

	private void process(HttpServletRequest request, HttpServletResponse response) {
	  String uri=request.getRequestURI();              // 결과 :  /BoardWeb/delete.do
	  String path=uri.substring(uri.lastIndexOf("/")); // 결과 :  /delete.do
	  System.out.println("경로확인:" +path);
	  
	  if (path.equals("/login.do")) {
		 System.out.println("로그인 처리"); 
	  } else if (path.equals("/logout.do")) {
		 System.out.println("로그아웃 처리"); 
	  } else if (path.equals("/insertBoard.do")) {
		 System.out.println("글 등록 처리"); 
	  } else if (path.equals("/updateBoard.do")) {
		 System.out.println("글 수정 처리"); 
	  } else if (path.equals("/deleteBoard.do")) {
		 System.out.println("글 삭제 처리"); 
	  } else if (path.equals("/getBoard.do")) {
		 System.out.println("글 상세 조회 처리"); 
	  } else if (path.equals("/getBoardList.do")) {
		 System.out.println("글 목록 검색 처리"); 
	  } else if (path.equals("/index.do")) {
		 System.out.println("시작페이지 이동처리"); 
	  } 
	}
}
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		
		request.setCharacterEncoding("UTF-8");
		try {
			process(request,response );
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) 
			throws ServletException, IOException {

		request.setCharacterEncoding("UTF-8");
		try {
			process(request,response );
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	private void process(HttpServletRequest request, HttpServletResponse response) throws Exception {

      request.setCharacterEncoding("UTF-8");
	  
	  String uri=request.getRequestURI();              // 결과 :  /BoardWeb/delete.do
	  String path=uri.substring(uri.lastIndexOf("/")); // 결과 :  /delete.do
	  System.out.println("경로확인:" +path);
	  
	  HttpSession session = request.getSession();
	  
	  if (path.equals("/login.do")) {
		 System.out.println("로그인 처리"); 
		 
		  String id=request.getParameter("id");
		  String password=request.getParameter("password");
		  

		   UserVo vo = new UserVo();
		   vo.setId(id);
		   vo.setPassword(password);
		   
		   UserDao3 service = new UserDao3();
		   UserVo user = service.getUser(vo);

		   if(user != null){
			   response.sendRedirect("getBoardList.do");
		   }else{
			   response.sendRedirect("login.jsp");
		   }
		   
		 
	  } else if (path.equals("/logout.do")) {
		 System.out.println("로그아웃 처리"); 
		 session.invalidate();
		 response.sendRedirect("login.jsp");
		 
	  } else if (path.equals("/insertBoard.do")) {
		 System.out.println("글 등록 처리"); 
		 
		   // 1. 사용자 입력 정보 추출
		   request.setCharacterEncoding("UTF-8");
		   String title=request.getParameter("title");
		   String writer=request.getParameter("writer");
		   String content=request.getParameter("content");

		   // 2. DB연동 처리
		   BoardVo vo = new BoardVo();
		   vo.setTitle(title);
		   vo.setWriter(writer);
		   vo.setContent(content);
		   
		   BoardDao dao = new BoardDaoImpl();
		   dao.insert(vo);
		  
		   // 3. 
		   response.sendRedirect("getBoardList.do");
		  
		 
	  } else if (path.equals("/updateBoard.do")) {
		 System.out.println("글 수정 처리"); 
		   // 1. 사용자 입력 정보 추출
		   request.setCharacterEncoding("UTF-8");
		   int seq= Integer.parseInt(request.getParameter("seq")) ;
		   String title=request.getParameter("title");
		   String content=request.getParameter("content");

		   // 2. DB연동 처리
		   BoardVo vo = new BoardVo();
		   vo.setSeq(seq);
		   vo.setTitle(title);
		   vo.setContent(content);
		   
		   BoardDao dao = new BoardDaoImpl();
		   dao.update(vo);
		  
		   // 3. 
		   response.sendRedirect("getBoardList.do");
		  
	  } else if (path.equals("/deleteBoard.do")) {
		 System.out.println("글 삭제 처리"); 

		   request.setCharacterEncoding("UTF-8");
		   int seq= Integer.parseInt(request.getParameter("seq")) ;
 		   BoardDao dao = new BoardDaoImpl();
		   dao.delete(seq);
		   response.sendRedirect("getBoardList.do");
		   
	  } else if (path.equals("/getBoard.do")) {
		 System.out.println("글 상세 조회 처리"); 
		  int seq= Integer.parseInt(request.getParameter("seq")) ;
		  
		  BoardDao   dao = new BoardDaoImpl();
		  BoardVo m = dao.getBoard(seq);
		  session.setAttribute("m", m);
		  response.sendRedirect("getBoard.jsp");
		  
	  } else if (path.equals("/getBoardList.do")) {
		 System.out.println("글 목록 검색 처리"); 
		 String searchCondition=request.getParameter("searchCondition");
		 String searchKeyword=request.getParameter("searchKeyword");

		  BoardVo vo = new BoardVo();
		  vo.setSearchCondition(searchCondition);
		  vo.setSearchKeyword(searchKeyword);
		  
		  BoardDao   dao = new BoardDaoImpl();
		  List<BoardVo> li = dao.getBoardList(vo);
		  
		  session.setAttribute("li", li);
		  response.sendRedirect("getBoardList.jsp");
		 
	  } else if (path.equals("/index.do")) {
		 System.out.println("시작페이지 이동처리"); 
		 response.sendRedirect("index.jsp"); 
	  } 
	}

}

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ page import="com.springbook.biz.board.impl.*"  %>
<%@ page import="com.springbook.biz.board.*"  %>


<%
  
  BoardVo m = (BoardVo) session.getAttribute("m");
%>    
    
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<div align="center">
<br><br>
<h1> 글 상세  </h1>
<a href=logout.do> Log-out </a>
<hr />

<form action=updateBoard.do  method=get>
  <input type="hidden"  name="seq"  value="<%=m.getSeq() %>" > 
  <table border=1>
  <tr><td>제목  </td><td><input type="text"  name="title"  value="<%=m.getTitle() %>" >   </td></tr> 
  <tr><td>작성자</td> <td> <%=m.getWriter() %> </td></tr> 
  <tr><td>내용 </td> <td><textarea name=content cols=40 rows=10><%=m.getContent() %></textarea> </td></tr> 
  <tr><td>등록일 </td><td><%=m.getRegDate() %> </td></tr> 
  <tr><td>조회수 </td><td><%=m.getCnt() %> </td></tr> 


  <tr><td colspan=2  align="center">
    <input type="submit"  value="글수정" > 
  
   </td></tr> 
  </table>

</form>
<hr />
<a href=insertBoard.jsp>글등록</a> &emsp;
<a href=deleteBoard.do?seq=<%=m.getSeq() %> >글삭제</a> &emsp;
<a href=getBoardList.do>글목록</a> &emsp;

</div>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ page import="com.springbook.biz.board.impl.*"  %>
<%@ page import="com.springbook.biz.board.*"  %>
<%@ page import="java.util.*"  %>

<%

  List<BoardVo> li =( List<BoardVo>) session.getAttribute("li");
%>
    
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<div align="center">
<br><br>
<h1> 글목록 </h1>
<h3> 테스트님 환영합니다. <a href=logout.do>Log-out</a> </h3>

<!-- 검색 시작 -->
<table border=1 width=700>
<tr><td align="right">
<form action=getBoardList.do >
<select name="searchCondition">
<option value="title"> 제목 </option>
<option value="content"> 내용 </option>
</select>
<input  type=text  name="searchKeyword" >
<input  type=submit value="검색하기" >
</form>
</td></tr>
</table>
<table border=1 width=700>
<tr> 
 <th> 번호 </th> <th> 제목 </th> <th> 작성자 </th>
 <th> 등록일 </th> <th> 조회수 </th>
</tr>

<% for(BoardVo m : li) {%>
<tr> 
 <td> <%=m.getSeq() %> </td>
 <td> <a href=getBoard.do?seq=<%=m.getSeq() %>>
        <%=m.getTitle() %>
      </a> 
 </td>
 <td>  <%=m.getWriter() %> </td>
 <td>  <%=m.getRegDate() %> </td> <td>  <%=m.getCnt() %> </td>
</tr>
<% } %>

</table>
<br>
<a href=insertBoard.jsp> 새글등록 </a>

</div>
</body>
</html>
---------------------------------------------------------------------------------------------------------------------

​

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.sql.*" %>
<!doctype html>
<html>
<head>
<meta charset="UTF-8"> <title>DB 연동</title>
</head>
<body>
<div align="center">
<br><br><br>
<h2> Model - II  아키텍처로 게시판 개발 </h2>
<br><br><br>
<a href=getBoardList.do>게시판 목록보기</a><br><br>

<a href=login.jsp>로그인</a><br><br>
</div>
</body>
</html>
-----------------------------------------------------------------------------------------------------------------------

​

<%@ 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>
<div align="center">
<br><br>
<h1> 글 등록  </h1>
<a href=logout.do> Log-out </a>
<hr />

<form action=insertBoard.do  method=get>
  <table border=1>
  <tr><td>제목  </td><td><input type="text"  name="title"  >   </td></tr> 
  <tr><td>작성자</td> <td><input type="text"  name="writer"  > </td></tr> 
  <tr><td>내용 </td> <td><textarea name=content cols=40 rows=10></textarea> </td></tr> 

  <tr><td colspan=2  align="center">
    <input type="submit"  value="새글등록" > 
  
   </td></tr> 
  </table>

</form>
<hr />

<a href=getBoardList.jsp>글목록</a> &emsp;

</div>
</body>
</html>
------------------------------------------------------------------------------------------------------------------------

​

<%@ 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>
<div align="center">
<br><br>
<h1> 로그인 </h1>
<hr />

<form action=login.do  method=get>
  <table border=1>
  <tr><td>아이디 </td>  <td><input type="text"  name="id"  value="TEST" >   </td></tr> 
  <tr><td>비밀번호 </td>  <td><input type="text"  name="password" value="TEST123" > </td></tr> 
  <tr><td colspan=2  align="center">
    <input type="submit"  value="로그인" > 
  
   </td></tr> 
  </table>

</form>

<hr />
</div>
</body>
</html>
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