<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>用户登陆</title> <link rel="stylesheet" href="https://www.ctyun.cn/portal/link.html?target=..%2Fcss%2Fcss.css" type="text/css"></link> </head> <body bgcolor="#31827C"> <form action="login_action.jsp" method="post"> <table width="99%" height="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%" height="100%" align="center" valign="middle"><p> </p> <table width="700" height="440" border="0" align="center" cellpadding="0" cellspacing="0" background="pic/login.jpg"> <tr> <td><table width="100%" height="354" border="0" cellpadding="0" cellspacing="0"> <tr> <td height="121"> </td> <td> </td> </tr> <tr> <td width="62%" height="158"> </td> <td width="38%" valign="bottom"> <table width="89%" height="99" border="0" cellpadding="0" cellspacing="0"> <tr> <td width="30%" height="30"><div align="right">用户名：</div></td> <td width="70%" height="30"><label> <input type="text" name="username" size="15" style="height:22px"/> </label></td> </tr> <tr> <td height="18"><div align="right">密 码：</div></td> <td height="18"><label> <input type="password" name="userpwd" size="15" style="height:22px"/> </label></td> </tr> <tr> <td height="18"><div align="right"><input type="checkbox" name="saveMessage"/></div></td> <td height="18"><label> 两周内自动登录 </label></td> </tr> <tr> <td height="50"> </td> <td height="50" valign="top"><input type="submit" value="提交"> <input type="reset" value="取消"></td> </tr> </table> </td> </tr> <tr> <td height="75"> </td> <td> </td> </tr> </table></td> </tr> </table> <p></p> <p> </p></td> </tr> </table> </form> </body> </html>
登陆action页面
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="com.news.entity.*,com.news.dao.*,com.news.dao.impl.*" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="https://www.ctyun.cn/portal/link.html?target=%26lt%3B%25%3DbasePath%25%26gt%3B">
<title>My JSP 'login_action.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<%
//获取页面数据
request.setCharacterEncoding("utf-8");
String username=request.getParameter("username");
String userpwd=request.getParameter("userpwd");
//调用Dao方法进行查询;
UserDao ud=new UserDaoImpl();
User user=ud.queryUserByNameAndPwd(username,userpwd);
if(user!=null){//user:是一个登陆对象
//如果登陆成功，则设置当前的session
session.setAttribute("user",user);
response.sendRedirect("welcome.jsp");//成功到欢迎页面;
}else{
session.setAttribute("msg","登陆失败，请检查用户名和密码");
response.sendRedirect("login.jsp");//失败还回登陆页面
}
%>
</body>
</html>