jsp第八次作业
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> 复制代码
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