[JSP] JSP로 게시판 만들기[MODEL 1] - 11(글수정)

Programming/JSP - 게시판만들기 2013. 1. 25. 16:34

modify.jsp와 modify_ok.jsp 모두 수정을 해야합니다.


우선


기존의 modify.jsp

<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR"%>
<%@ page import="java.sql.*"%>  

<script language = "javascript">  // 자바 스크립트 시작

function modifyCheck()
  {
   var form = document.modifyform;
   
   if( !form.password.value )
   {
    alert( "비밀번호를 적어주세요" );
    form.password.focus();
    return;
   }
   
  if( !form.title.value )
   {
    alert( "제목을 적어주세요" );
    form.title.focus();
    return;
   }
 
  if( !form.memo.value )
   {
    alert( "내용을 적어주세요" );
    form.memo.focus();
    return;
   }  
 		form.submit();
  }
 </script>
 <%
	request.setCharacterEncoding("euc-kr");
	Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	String url = "jdbc:odbc:board2";
	String id = "";
	String pass = "";
	
	String name = "";
	String password = "";
	String title = "";
	String memo = "";
	int idx = Integer.parseInt(request.getParameter("idx"));
	int pg = Integer.parseInt(request.getParameter("pg"));
	
	try {
		
		Connection conn = DriverManager.getConnection(url,id,pass);
		Statement stmt = conn.createStatement();
		
		String sql = "SELECT USERNAME, PASSWORD, TITLE, MEMO FROM board1 WHERE NUM=" + idx;
		ResultSet rs = stmt.executeQuery(sql);

		
		if(rs.next()){
			
			name = rs.getString(1);
			password = rs.getString(2);
			title = rs.getString(3);
			memo = rs.getString(4);
		}
		
		rs.close();
		stmt.close();
		conn.close();
	}catch(SQLException e) {
		out.println( e.toString() );
	}
	
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
 <title>게시판</title>
 </head>
 <body>
<table>
<form name=modifyform method=post action="modify_ok.jsp?idx=<%=idx%>&pg=<%=pg%>">
  <tr>
   <td>
    <table width="100%" cellpadding="0" cellspacing="0" border="0">
     <tr style="background:url('img/table_mid.gif') repeat-x; text-align:center;">
      <td width="5"><img src="img/table_left.gif" width="5" height="30" /></td>
      <td>수정</td>
      <td width="5"><img src="img/table_right.gif" width="5" height="30" /></td>
     </tr>
    </table>
   <table>
     <tr>
      <td>&nbsp;</td>
      <td align="center">제목</td>
      <td><input type=text name=title size=50  maxlength=50 value="<%=title%>"></td>
      <td>&nbsp;</td>
     </tr>
     <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
    <tr>
      <td>&nbsp;</td>
      <td align="center">이름</td>
      <td><%=name%><input type=hidden name=name size=50  maxlength=50 value="<%=name%>"></td>
      <td>&nbsp;</td>
     </tr>
      <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
    <tr>
      <td>&nbsp;</td>
      <td align="center">비밀번호</td>
      <td><input type=password name="password" id="pass" size=50  maxlength=50 ></td>
      <td>&nbsp;</td>
     </tr>
     <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
     <tr>
      <td>&nbsp;</td>
      <td align="center">내용</td>
      <td><textarea name=memo cols=50 rows=13><%=memo%></textarea></td>
      <td>&nbsp;</td>
     </tr>
     <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
     <tr height="1" bgcolor="#82B5DF"><td colspan="4"></td></tr>
     <tr align="center">
      <td>&nbsp;</td>
      <td colspan="2"><input type="button" value="수정" OnClick="javascript:modifyCheck();">
      <input type=button value="취소" OnClick="javascript:history.back(-1)">
      <td>&nbsp;</td>
     </tr>
    </table>
   </td>
  </tr>
  </form>
 </table>
</body> 

</html>


새로운 modify.jsp

<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR"%>
<%@ page import="board.*" %>

<jsp:useBean id="dao" class="board.DAO"/>
<jsp:useBean id="vo1" class="board.VO"/>
<%
	int idx = Integer.parseInt(request.getParameter("idx"));
	int pg = Integer.parseInt(request.getParameter("pg"));
	VO vo = dao.getView(idx);
%>

<script language = "javascript">  // 자바 스크립트 시작

function modifyCheck()
  {
   var form = document.modifyform;
   
   if( !form.password.value )
   {
    alert( "비밀번호를 적어주세요" );
    form.password.focus();
    return;
   }
   
  if( !form.title.value )
   {
    alert( "제목을 적어주세요" );
    form.title.focus();
    return;
   }
 
  if( !form.memo.value )
   {
    alert( "내용을 적어주세요" );
    form.memo.focus();
    return;
   }  
 		form.submit();
  }
 </script>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
 <title>게시판</title>
 </head>
 <body>
<table>
<form name=modifyform method=post action="modify_ok.jsp?idx=<%=idx%>&pg=<%=pg%>">
  <tr>
   <td>
    <table width="100%" cellpadding="0" cellspacing="0" border="0">
     <tr style="background:url('img/table_mid.gif') repeat-x; text-align:center;">
      <td width="5"><img src="img/table_left.gif" width="5" height="30" /></td>
      <td>수정</td>
      <td width="5"><img src="img/table_right.gif" width="5" height="30" /></td>
     </tr>
    </table>
   <table>
     <tr>
      <td>&nbsp;</td>
      <td align="center">제목</td>
      <td><input type=text name=title size=50  maxlength=50 value="<%=vo.getTitle()%>"></td>
      <td>&nbsp;</td>
     </tr>
     <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
    <tr>
      <td>&nbsp;</td>
      <td align="center">이름</td>
      <td><%=vo.getName()%><input type=hidden name=name size=50  maxlength=50 value="<%=vo.getName()%>"></td>
      <td>&nbsp;</td>
     </tr>
      <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
    <tr>
      <td>&nbsp;</td>
      <td align="center">비밀번호</td>
      <td><input type=password name="password" id="pass" size=50  maxlength=50 ></td>
      <td>&nbsp;</td>
     </tr>
     <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
     <tr>
      <td>&nbsp;</td>
      <td align="center">내용</td>
      <td><textarea name=memo cols=50 rows=13><%=vo.getMemo()%></textarea></td>
      <td>&nbsp;</td>
     </tr>
     <tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
     <tr height="1" bgcolor="#82B5DF"><td colspan="4"></td></tr>
     <tr align="center">
      <td>&nbsp;</td>
      <td colspan="2"><input type="button" value="수정" OnClick="javascript:modifyCheck();">
      <input type=button value="취소" OnClick="javascript:history.back(-1)">
      <td>&nbsp;</td>
     </tr>
    </table>
   </td>
  </tr>
  </form>
 </table>
</body> 

</html>


그리고 이번엔 modify_ok.jsp


기존의 modify_ok.jsp

<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR"%>
<%@ page import="java.sql.*"%>  
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
			
<%
	Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	String url = "jdbc:odbc:board2";
	String id = "";
	String pass = "";
	String password = "";
	
		try{
			
			request.setCharacterEncoding("euc-kr");
			int idx = Integer.parseInt(request.getParameter("idx"));
			int pg = Integer.parseInt(request.getParameter("pg"));
			String title = request.getParameter("title");
			String memo = request.getParameter("memo");
			String passw = request.getParameter("password");
		
			Connection conn = DriverManager.getConnection(url,id,pass);
			Statement stmt = conn.createStatement();
		
			String sql = "SELECT PASSWORD FROM board1 WHERE NUM=" + idx;
			ResultSet rs = stmt.executeQuery(sql);
		
		 if(rs.next()){
				password = rs.getString(1);
		 }
		
		 if(password.equals(passw)) {
				sql = "UPDATE board1 SET TITLE='" + title+ "' ,MEMO='"+ memo +"' WHERE NUM=" + idx;				
				stmt.executeUpdate(sql);
				
%>
				  <script language=javascript>
				  	self.window.alert("글이 수정되었습니다.");
				  	location.href="view.jsp?idx=<%=idx%>&pg=<%=pg%>";
				  </script>
<%

			rs.close();
			stmt.close();
			conn.close();
			
		} else {
%>
			<script language=javascript>
				self.window.alert("비밀번호를 틀렸습니다.");
				location.href="javascript:history.back()";
			</script>
<%			
		}
		 
 } catch(SQLException e) {
	out.println( e.toString() );
} 

%>



새로운 modify_ok.jsp

<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR"%>
<jsp:useBean id="dao" class="board.DAO"/>
<jsp:useBean id="vo" class="board.VO"/>
<jsp:setProperty name="vo" property="*" />
			
<%
	int idx = Integer.parseInt(request.getParameter("idx"));
	int pg = Integer.parseInt(request.getParameter("pg"));
	boolean ch = dao.checkPassword(vo, idx);
	if(ch) {
			dao.modify(vo, idx);
		%>
			<script language=javascript>
				self.window.alert("글이 수정되었습니다.");
				location.href="view.jsp?idx=<%=idx%>&pg=<%=pg%>";
			</script>
		<%
	} else {
		%>
			<script language=javascript>
				self.window.alert("비밀번호를 틀렸습니다.");
				location.href="javascript:history.back()";
			</script>
		<%
	} 

%>


역시나 짧아졌습니다.



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