<%@ 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>
<style type="text/css">
body{
background-color: azure;
}
form{
position: fixed;
top: 250px;
left: 650px;
background-color: #ADD8E6;
border-radius: 5px;
}
div{
font-size: 22px;
margin-top: 20px;
padding-left: 40px;
}
input{
200px;
height: 20px;
border-radius: 5px;
}
#tj{
80px;
height: 30px;
margin-left: 140px;
border-radius: 5px;
font-size: 16px;
margin-bottom: 20px;
}
</style>
</head>
<body>
<form action="/school/Login.jsp" method="post">
<div>账 号: <input type="text" name="username"></div>
<div>密 码: <input type="text" name="password"></div>
<div>验 证 码:<input type="text" name = "yanzhengma"> <img src="getcode" alt="看不清，换一张" onclick="change(this)"/></div>
<div><input type="submit" id="tj" value="登录" ></div>
</form>
</body>
<script type="text/javascript">
function change(img) {
img.src = "getcode?"+new Date().getTime();
}
</script>
</html>
Login.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"
import=" javax.servlet.http.HttpSession"
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("UTF-8");
HttpSession s = request.getSession();
String username = request.getParameter("username");
String password = request.getParameter("password");
session.setAttribute("username", username);
session.setAttribute("password", password);
response.sendRedirect("/school/success.jsp");
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
</body>
</html>
success.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"
import=" javax.servlet.http.HttpSession"
%>
<!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>
<%
HttpSession s = request.getSession();
String username = s.getAttribute("username").toString();
String password = s.getAttribute("password").toString();
%>
用户名 ： <%=username %><br/>
密码 ： <%=password %>
</body>
</html>