JSP第四周
登录
<%@ 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> <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> 登录<br/> <form action="zhuanfa.jsp" name="myform" method="post" > 用户名:<input type="text" name="uname"><br/> 密码:<input type="password" name="upwd"><br/> <input type="submit" value="登录"> </form> </body> </html>
转发
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% //获取登录的用户名 String name = request.getParameter("uname"); //获取登录密码 String pwd = request.getParameter("upwd"); //判断 if (name.equals("zs") && pwd.equals("123")) //转发到ok页面 request.getRequestDispatcher("ok.jsp").forward(request,response); else //转发到no页面 request.getRequestDispatcher("no.jsp").forward(request,response); %>
登陆成功
<%@ 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> <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> <h1 style="color: red">登录成功</h1> </body> </html>