jsp登錄會話，jsp會話
1 <%@ page language="java" contentType="text/html; charset=UTF-8"
2 pageEncoding="UTF-8"%>
3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
4 <html>
5 <head>
6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
7 <title>登錄界面</title>
8 </head>
9 <body>
10
11 <form action="test_session2.jsp" method="post">
12 <table width="300" height="300" border="0" align="center">
13 <tr height="80" align="center">
14 <td colspan="2"><font size="24">OO登錄</font></td></tr>
15 <tr height="30">
16 <td width="80" align="right">用戶名：</td>
17 <td><input type="text" name="name"></td></tr>
18 <tr height="30">
19 <td width="80" align="right"> 密 碼：</td>
20 <td> <input type="password" name="password"></td></tr>
21 <tr><td height="40" align="center" colspan="2">
22 <input type="submit" value="登錄"></td></tr>
23 </table>
24
25
26 </body>
27 </html>
1 <%@ page language="java" contentType="text/html; charset=UTF-8"
2 pageEncoding="UTF-8"%>
3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
4 <html>
5 <head>
6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
7 <title>登錄成功</title>
8 </head>
9 <body>
10 <%
11 String name = new String( request.getParameter("name").getBytes("ISO-8859-1"),"UTF-8");
12 session.setAttribute("name", name);
13
14 out.println(name + "成功登陸");
15 %>
16 <a href="test_session3.jsp"><br>跳轉</a>
17 </body>
18 </html>
1 <%@ page language="java" contentType="text/html; charset=UTF-8"
2 pageEncoding="UTF-8"%>
3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
4 <html>
5 <head>
6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
7 <title>會話</title>
8 </head>
9 <body>
10 <%
11 String str = "";
12 Object obj = session.getAttribute("name");
13 if(obj != null){
14 str = obj.toString();
15 out.println(str + "已經成功登陸");
16 }else{
17 out.println("會話超時，請重新登錄。");
18 }
19 %>
20 </body>
21 </html>
