如何在jsp中实现登录会话?
jsp登录会话的简单实现
<%@ 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>登录界面</title> </head> <body> <form action="test_session2.jsp" method="post"> <table width="300" height="300" border="0" align="center"> <tr height="80" align="center"> <td colspan="2"><font size="24">OO登录</font></td></tr> <tr height="30"> <td width="80" align="right">用户名:</td> <td><input type="text" name="name"></td></tr> <tr height="30"> <td width="80" align="right"> 密码:</td> <td> <input type="password" name="password"></td></tr> <tr><td height="40" align="center" colspan="2"> <input type="submit" value="登录"></td></tr> </table> </body> </html>
<%@ 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>登录成功</title> </head> <body> <% String name = new String( request.getParameter("name").getBytes("ISO-8859-1"),"UTF-8"); session.setAttribute("name", name); out.println(name + "成功登陆"); %> <a href="test_session3.jsp"><br>跳转</a> </body> </html>
<%@ 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>会话</title> </head> <body> <% String str = ""; Object obj = session.getAttribute("name"); if(obj != null){ str = obj.toString(); out.println(str + "已经成功登陆"); }else{ out.println("会话超时,请重新登录。"); } %> </body> </html>
以上就是小编为大家带来的jsp登录会话的简单实现全部内容了,希望大家多多支持路饭~
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