2011. 1. 25. 14:48

login 처리. / home 간단 sample 처리.

Java/JSP


login 처리의 예!!!

 login.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>

<form action = "login.do" method  = "post">
사용자명 : <input type = "text" id = "id" name = "id"/><br/>
패스워드 : <input type = "password" id = "passwd" name = "passwd"/><br/>
<input type = "submit" value = "로그인"/>
<input type = "reset" value = "취소"/>
</form>

</body>
</html>

LoginServlet.java

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class LoginServlet
 */
public class LoginServlet extends HttpServlet {
 private static final long serialVersionUID = 1L;
      
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }
   
 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
  request.setCharacterEncoding("utf-8");
  String id = request.getParameter("id");
  String passwd = request.getParameter("passwd");
  if( id != null && id.equals("kim") &&
    passwd != null && passwd.equals("123")){
   String message = id +"님 환영합니다.";
   request.setAttribute("message", message);
   RequestDispatcher patcher =
    request.getRequestDispatcher("success.jsp");
   patcher.forward(request, response);
   return;
  }else{
   String message = "로그인 실패";
   request.setAttribute("message", message);
   RequestDispatcher patcher =
    request.getRequestDispatcher("failed.jsp");
   patcher.forward(request, response);
   return;
  }
  
  
 }


 /**
  * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
  */
 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
 }

 /**
  * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
  */

}

sucess.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body bgcolor = "green">
   <b1><font color = "white" size = "6" >
   <%= request.getAttribute("message") %></b1>

</body>
</html>

failed.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body bgcolor = "red">
  <b1><font color = "white" size = "6" >
   <%= request.getAttribute("message") %></b1>
</body>
</html>





index.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<link rel = "stylesheet" href = "login.css" type = "text/css"/>
</head>
<body>
   <div id="container">
 <div id="header">
  <h1>
   HomeShopping♡
  </h1>
 </div>
 <div id="navigation">
  <ul>
   <li><a href="#">홈으로</a></li>
   <li><a href="#">거래내역</a></li>
   <li><a href="#">장바구니</a></li>
   <li><a href="#">개인정보</a></li>
  </ul>
 </div>
 <div id="content-container">
  <div id="content">
   <h2>
     Hello!!!
   </h2>
   <p>
    Lorem ipsum dolor sit amet consect etuer adipi scing elit sed diam nonummy nibh euismod tinunt ut laoreet dolore magna aliquam erat volut. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
   </p>
   <p>
    Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
   </p>
   <p>
    Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
   </p>
  </div>
  <div id="aside">
   <jsp:include page = "login.jsp"/> 
  </div>
  <div id="footer">
   Copyright © Site name, 20XX
  </div>
 </div>
</div>
</body>
</html>

 login.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<% if (session.getAttribute("username") == null ) {%>
<form action = "login.do" method  = "post">
사용자명 : <input type = "text" id = "id" name = "id"/><br/>
패스워드 : <input type = "password" id = "passwd" name = "passwd"/><br/>
<input type = "submit" value = "로그인"/>
<input type = "reset" value = "취소"/>
</form>
<%} else { %>
<p><%= session.getAttribute("username") %> 님 환영합니다. </p>
<p><a href = "logout.jsp"> 로그아웃</a> &nbsp;
   <a href = "mod_user_info.jsp">정보수정</a></p>
<% } %>
</body>
</html>
 




 

logout.jsp 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<% session.invalidate(); %>
<script language = "javascript">
 alert("성공적으로 로그아웃하였습니다.");
 location.href = "index.jsp";
</script language>

login.css
 @CHARSET "UTF-8";
#sidebar{ float:right; width:245px;}
/* 로그인 */
#login {width:208px; height:128px; background:url(standard/images/bg_login.jpg) no-repeat; margin-bottom:10px; padding:47px 17px 0 20px;} /*패딩때문에 높이와 너비가 줄었음 */
#login dd{width:141px; float:left; vertical-align:top;}
#login dd.pw{ margin-top:3px;}
#login .input_text{border:1px solid #c9c9c9; width:137px; height:18px; color:#444;}
#login #id{background:#fff url(images/bg_login_id.gif) no-repeat 0px 0px;}
#login #pw{background:#fff url(images/bg_login_pw.gif) no-repeat 0px 0px;}
#login .keeping{float:right; margin:-22px 0 0 0; background:#003366}
#login .log_in_etc{float:left; padding:5px 0 0 0; .padding:3px 0 0 0; color:#9e9e9e; font:normal 11px dotum; width:170px;}
#login .log_in_etc input{ vertical-align:-2px; margin:0 3px 0 0;}
#login .log_in_find {float:left; clear:both; margin-top:14px;.margin-top:9px; font-size:12px; width:200px; letter-spacing:-1px;}
#log_notice {float:left; clear:both;width:200px; margin-top:16px;.margin-top:13px;font:normal 11px dotum; } /*.margin은 IE6의 공백을 맞추기위해 핵사용*/
#log_notice img{ vertical-align:-1px;}

 

 

#container
{
 margin: 0 auto;
 width: 900px;
 background: #ffc0cb;
}

#header
{
 background: #ffb6C1;
 padding: 20px;
}

#header h1 { margin: 0; }

#navigation
{
 float: left;
 width: 900px;
 background: #bc8f8f;
}

#navigation ul
{
 margin: 0;
 padding: 0;
}

#navigation ul li
{
 list-style-type: none;
 display: inline;
}

#navigation li a
{
 display: block;
 float: left;
 padding: 5px 10px;
 color: #fff;
 text-decoration: none;
 border-right: 1px solid #fff;
}

#navigation li a:hover { background: #383; }

#content-container
{
 float: left;
 width: 900px;
 background: #ffe4f1 url(/wp-content/uploads/layout-two-fixed-background.gif) repeat-y 100% 0;
}

#content
{
 clear: left;
 float: left;
 width: 560px;
 padding: 20px 0;
 margin: 0 0 0 30px;
 display: inline;
}

#content h2 { margin: 0; }

#aside
{
 float: right;
 width: 240px;
 padding: 20px 0;
 margin: 0 20px 0 0;
 display: inline;
}

#aside h3 { margin: 0; }

#footer
{
 clear: left;
 background: #ffdab9;
 text-align: right;
 padding: 20px;
 height: 1%;
}

 LoginServlet.java
package simple.web.controller;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Servlet implementation class LoginServlet
 */
public class LoginServlet extends HttpServlet {
 private static final long serialVersionUID = 1L;
      
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }
   
 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
  request.setCharacterEncoding("utf-8");
  String id = request.getParameter("id");
  String passwd = request.getParameter("passwd");
  HttpSession session = request.getSession();
  if( id != null && id.equals("kim") &&
    passwd != null && passwd.equals("123")){
   session.setAttribute("username", id);
  }
  RequestDispatcher patcher =
  request.getRequestDispatcher("index.jsp");
  patcher.forward(request, response);
  return;
 }


 /**
  * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
  */
 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
 }

 /**
  * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
  */

}

 











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