用户表： uid (主键，自动增长) uname upwd 使用分层实现注册。（必做） 使用分层实现登录。（选做)
index.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"> --> </head> <body> <form name="form1" method="post" action="control.jsp" > <table> <tr> <td>编号：</td> <td> <input type="text" name="sid" id="userName" ></td> </tr> <tr> <td>用户名：</td> <td> <input type="text" name="uname" id="userName" ></td> </tr> <tr> <td>输入登录密码：</td> <td><input type="password" name="upwd" id="pwd"></td> </tr> <tr> <td colspan="2"><input type="submit" value="注册"></td> </tr> </table> </form> </body> </html>
control.jsp
<%@page import="com.gd.dao.StuDao"%> <%@page import="com.gd.bean.Stu"%> <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% Stu s = new Stu(); int id = Integer.parseInt(request.getParameter("sid")); s.setSid(id); String uname = request.getParameter("uname"); s.setUname(uname); String upwd = request.getParameter("upwd"); s.setUpwd(upwd); StuDao sd=new StuDao(); if(sd.addStu(s)>0){ //跳转注册成功页面 }else{ //错误页面 } %>