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>使用者名: </label>
<input name="username" value="" />
<label>密碼: </label>
<input type="password" name="password" value="">
</p>
<p class="space">
<input type="submit" value="登入" 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");//防止中文亂碼
username = request.getParameter("username");
password = request.getParameter("password");
//如果使用者和密碼都等于admin,則登入成功
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">
登入失敗！請檢查使用者或者密碼!<br>
<a href="login.jsp">傳回登入</a>
</div>
</div>
</body>
</html> 
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