jsp内置对象实现登录
来源：互联网 发布：企业在淘宝开店 编辑：程序博客网 时间：2024/06/11 05:43
jsp内置对象实现登录
代码：
index.jsp:
<%@ page language="java" import="java.util.*,java.text.*" 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>
<base href="<%=basePath%>">
<title>My JSP 'index.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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<div id="container">
<div id="box">
<form action="login/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" >
</p>
</form>
</div>
</div>
</body>
</html>
dologin.jsp:
<%@ page language="java" import="java.util.*,java.text.*" pageEncoding="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");
//如果用户和密码都是admin，则登陆成功
if("admin".equals(username)&&"admin".equals(password)){
session.setAttribute("loginUserName", username);
request.getRequestDispatcher("login_success.jsp").forward(request, response);
}else{
response.sendRedirect("login_fail.jsp");
}
%>
login_fail.jsp:
<%@ page language="java" import="java.util.*,java.text.*" 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>
<base href="<%=basePath%>">
<title>My JSP 'index.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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<div id="container">
<div id="box">
登陆失败<br>
<a href="login/login.jsp">返回登录</a>
</div>
</div>
</body>
</html>
login_success.jsp:
<%@ page language="java" import="java.util.*,java.text.*" 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>
<base href="<%=basePath%>">
<title>My JSP 'index.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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<div id="container">
<div id="box">
<%
String loginUserName="";
if(session.getAttribute("loginUserName")!=null){
loginUserName=session.getAttribute("loginUserName").toString();
}
%>
欢迎您,<font color="red"><%=loginUserName %></font>,登陆成功
</div>
</div>
</body>
</html>
- jsp内置对象实现登录
- JSP内置对象---一个小项目（实现用户的登录 （不使用数据库））
- JSP - JSP内置对象
- JSP--JSP内置对象
- JSP内置对象之----session登录及注销
- JSP内置对象之－－response登录验证
- JSP内置对象Session小例--用户登录
- JSP内置对象Session小例--用户登录
- JSP内置对象
- JSP内置对象
- JSP内置对象
- JSP内置对象
- jsp内置对象
- JSP 内置对象
- JSP内置对象
- JSP内置对象
- JSP内置对象
- JSP的内置对象
- JNI获取并修改Java中类的变量和静态变量的值
- 51nod——1270 数组的最大代价 动态规划解法
- linux中CPU各个模块的时钟驱动函数分析
- get information form page and make them stored in a local txt file
- lightoj-1305 - Area of a Parallelogram(几何)
- jsp内置对象实现登录
- jq的append可同时加多个元素。逗号隔开即可
- 334. Increasing Triplet Subsequence
- 二叉树的存储结构
- 【NOIP普及组模拟】DNA排序
- latex公式中的空格表示
- Valgrind内存泄漏和内存越界访问检查工具
- .NET Framework 4.5 的五大特性
- sqlite入门基础(一)：sqlite3_open,sqlite3_exec,slite3_close
