第十周作业
数据库test 中建个表 stu(stuid 主键 自动增长 ，用户名，密码，年龄)
1.设计一个注册页面，实现用户注册功能
2.设计一个登陆页面，实现用户名密码登陆
3.两个页面可以互相超链接
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <html> <head> <title>My JSP 'index.jsp' starting page</title> </head> <body> <script type="text/javascript"> function validate(){ if(loginForm.uname.value==""){ alert("账号不能为空!"); return; } if(loginForm.upwd.value==""){ alert("密码不能为空!"); return; } loginForm.submit(); } </script> <form name="loginForm" action="dologin.jsp" method="post"> 用户名:<input type="text" name="uname" ><br> 密码: <input type="password" name="upwd" > <input type="button" value="登录" onClick="validate()"> <a href="zhuce.jsp">注册</a> </form> </body> </html>
<%@page import="com.cby.StuDao"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <html> <head> <title></title> </head> <body> <% StuDao sd=new StuDao(); request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); if (sd.login(uname, upwd)){ session.setAttribute("uname", uname); request.getRequestDispatcher("main.jsp").forward(request, response); }else{ out.print("登陆失败，即将跳回登陆页....."); response.setHeader("refresh", "3;url=login.jsp"); } %> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <html> <head> <title></title> </head> <body> <script type="text/javascript"> function validate(){ if(loginForm.stuid.value==""){ alert("id不能为空!"); return; } if(loginForm.uname.value==""){ alert("账号不能为空!"); return; } if(loginForm.upwd.value==""){ alert("密码不能为空!"); return; } if(loginForm.upwd1.value==""){ alert("确认密码不能为空!"); return; } if(loginForm.uage.value==""){ alert("年龄不能为空!"); return; } loginForm.submit(); } </script> <form name="loginForm" action="dozhuce.jsp" method="post"> 学生id:<input type="number" name="stuid" ><br> 用户名:<input type="text" name="uname" ><br> 密码: <input type="password" name="upwd" ><br> 确认密码: <input type="password" name="upwd1" ><br> 年龄:<input type="number" name="uage" ><br> <a href="login.jsp">返回登录</a> <input type="button" value="注册" onClick="validate()"> </form> </body> </html>
<%@page import="com.cby.StuDao"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <html> <head> <title>My JSP 'index.jsp' starting page</title> </head> <body> <% request.setCharacterEncoding("utf-8"); String id =request.getParameter("stuid"); Integer stuid =Integer.parseInt(id); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); String upwd1 = request.getParameter("upwd1"); String age =request.getParameter("uage"); Integer uage =Integer.parseInt(age); if((upwd.equals(upwd1))){ StuDao sd=new StuDao(); sd.reg(stuid, uname, upwd, uage); out.print("注册成功，即将跳回登录页....."); response.setHeader("refresh", "3;url=login.jsp"); } else{ out.print("两次密码不一致，即将跳回注册页....."); response.setHeader("refresh", "3;url=zhuce.jsp"); } %> </body> </html>
<%@page import="com.cby.StuDao"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <html> <head> <title></title> </head> <body> <% StuDao sd=new StuDao(); request.setCharacterEncoding("utf-8"); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); if (sd.login(uname, upwd)){ session.setAttribute("uname", uname); request.getRequestDispatcher("main.jsp").forward(request, response); }else{ out.print("登陆失败，即将跳回登陆页....."); response.setHeader("refresh", "3;url=login.jsp"); } %> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%> <% 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> This is my JSP page. <br> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <html> <head> <title>My JSP 'index.jsp' starting page</title> </head> <body> 登录成功 </body> </html>
