链接：https://pan.baidu.com/s/1W4UYInbsm17V9_2rFLNGFg
提取码：c5g5
复制这段内容后打开百度网盘手机App，操作更方便哦
login.jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html><head><!-- Page title --><title>Login</title><!-- End of Page title --><!-- Libraries --><link type="text/css" href="css/login.css" rel="stylesheet" /> <link type="text/css" href="css/smoothness/jquery-ui-1.7.2.custom.html" rel="stylesheet" /> <script type="text/javascript" src="js/jquery-1.3.2.min.js"></script><script type="text/javascript" src="js/easyTooltip.js"></script><script type="text/javascript" src="js/jquery-ui-1.7.2.custom.min.js"></script><!-- End of Libraries --> </head><body><div id="container"><div class="logo"><a href="#"><img src="assets/logo.png" alt="" /></a></div><div id="box"><form action="dologin.jsp" method="post"><p class="main"><label>用户名: </label><input name="username" value="" /> <label>密码: </label><input type="password" name="password" value=""> </p><p class="space"><input type="submit" value="登录" class="login" style="cursor: pointer;"/></p></form></div></div></body>
</html>dologin.jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";String username ="";String password ="";request.setCharacterEncoding("utf-8");//防止中文乱码username = request.getParameter("username");password = request.getParameter("password");//如果用户和密码都等于admin,则登录成功if("admin".equals(username)&&"admin".equals(password)){session.setAttribute("loginUser", username);request.getRequestDispatcher("login_success.jsp").forward(request, response);}else{response.sendRedirect("login_failure.jsp");}
%>
login_failure.jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html><head><!-- Page title --><title>imooc - Login</title><!-- End of Page title --><!-- Libraries --><link type="text/css" href="css/login.css" rel="stylesheet" /> <link type="text/css" href="css/smoothness/jquery-ui-1.7.2.custom.html" rel="stylesheet" /> <script type="text/javascript" src="js/jquery-1.3.2.min.js"></script><script type="text/javascript" src="js/easyTooltip.js"></script><script type="text/javascript" src="js/jquery-ui-1.7.2.custom.min.js"></script><!-- End of Libraries --> </head><body><div id="container"><div class="logo"><a href="#"><img src="assets/logo.png" alt="" /></a></div><div id="box">登录失败！请检查用户或者密码!<br><a href="login.jsp">返回登录</a> </div></div></body>
</html>login_success.jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%>
<%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html><head><!-- Page title --><title>imooc - Login</title><!-- End of Page title --><!-- Libraries --><link type="text/css" href="css/login.css" rel="stylesheet" /> <link type="text/css" href="css/smoothness/jquery-ui-1.7.2.custom.html" rel="stylesheet" /> <script type="text/javascript" src="js/jquery-1.3.2.min.js"></script><script type="text/javascript" src="js/easyTooltip.js"></script><script type="text/javascript" src="js/jquery-ui-1.7.2.custom.min.js"></script><!-- End of Libraries --> </head><body><div id="container"><div class="logo"><a href="#"><img src="assets/logo.png" alt="" /></a></div><div id="box"><% String loginUser = "";if(session.getAttribute("loginUser")!=null){loginUser = session.getAttribute("loginUser").toString();}%>欢迎您<font color="red"><%=loginUser%></font>,登录成功！</div></div></body>
</html>运行结果
主界面
输入账号admin 密码admin
输入错误
源码可直接下载，学习jsp的朋友有兴趣可以了解一下。
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