JSP_3.26第四周作业
1. login.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %>
<html> <script> function yzm(){ var Num=""; for(var i=0;i<4;i++) { Num+=Math.floor(Math.random()*10); } document.getElementById("yzphoto").value=Num; document.getElementById("yzm").value=Num; } function userLogin(){ var yztext = document.getElementById("yztext").value; var yzm = document.getElementById("yzm").value; location.reload(); } </script> <style> body { text-align: "center" } #div1 { margin: 15% auto; } </style> </head> <body onLoad="yzm()"> <div id="div1"> <h2 style=color:"blue">用 户 登 录</h2> <form action="dologin.jsp" name="myform" method="post"> 用户名： <input type="text" name="uname"><br /> 密 码： <input type="password" name="upwd"><br /> 验证码： <input id="yztext" type="text" value="" /> <input style="width:50px;background-color:red;color:blue" type="text" id="yzphoto" value="" /> <input type="hidden" id="yzm" value=""> <br /> <br /> <input type="submit" style=color:"blue" value=" 登    录 "> </form> </div> </body> </html>
2. dologin.jsp
<%@ 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); %>
3. ok.jsp
<%@ 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"> --> <style> body{text-align:"center"} #div1{margin:15% auto;} </style> </head> <body> <div id="div1"> <h2>提示信息:</h2> <h1 style="color: red">登录成功</h1> </div> </body> </html>
4. no.jsp
<%@ 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"> --> <style> body { text-align: "center" } #div1 { margin: 15% auto; } </style> </head> <body> <div id="div1"> <h2>提示信息:</h2> <h1 style="color: red">登录失败</h1> <input type="button" value="返回登录界面" onClick="showValue(dologin.jsp)" /> </div> </body> </html>
