<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<form action="index.jsp" method="post">
用户名:<input type="text" name="uname" minlength="4" maxlenghth="16"/>只能输入字母或数字，4—6个字符 <br>
密码：<input type="password" name="upwd" maxlength="12" minlength="6"/>密码长度6-12<br>
确认密码：<input type="password" name="upawd"><br>
性别:<input type="radio" name="sex" value="男">男
<input type="radio" name="sex" value="女">女<br>
电子邮件地址:<input type="email" name="em" />输入正确的email地址<br>
出生日期：<input type="text" name="unyear"/>年
<select name="month">
<option value="1">一</option>
<option value="2">二</option>
<option value="3">三</option>
<option value="4">四</option>
<option value="5">五</option>
<option value="6">六</option>
<option value="7">七</option>
<option value="8">八</option>
<option value="9">九</option>
<option value="10">十</option>
<option value="11">十一</option>
<option value="12">十二</option>
</select>月
<select name="day">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>日<br>
<input type="submit" value="同意协议条款并提交"/><br>
<textarea name="bz"rows="5"cols="50">霸王协议条约</textarea>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
您注册的信息如下：<br>
<%
request.setCharacterEncoding("utf-8");
String uname=request.getParameter("uname");
String upwd=request.getParameter("upwd");
String upawd=request.getParameter("upawd");
String sex=request.getParameter("sex");
String em=request.getParameter("em");
String unyear=request.getParameter("unyear");
String month=request.getParameter("month");
String day=request.getParameter("day");
%>
<%
if(upwd.equals(upawd)){%>
你注册的用户名是:<%=uname %><br>
密码是:<%=upwd %><br>
性别是:<%=sex %><br>
电子邮件地址:<%=em %><br>
出生日期:<%=unyear %>年<%=month %>月<%=day %>日<br>
<%
}else{
%>
两次不一致
<% }%>
</body>
</html>
<html>
<head>
<title>My JSP 'index1.jsp' starting page</title>
</head>
<body>
<form action="index2.jsp" method="post">
求平均值：</br>
姓名：<input type="text" name="uname" /><br>
性别：<input type="radio" name="sex" value ="男"/> 男
<input type="radio" name="sex" value ="女"/> 女<br>
班级:<select name = "cla">
<option value="计算机1901">计算机1901</option>
<option value="计算机1902">计算机1902</option>
<option value="计算机1903">计算机1903</option>
<option value="计算机1904">计算机1904</option>
</select><br>
数学：<input type="number" name="math" /></br>
语文：<input type="number" name="chin" /></br>
英语：<input type="number" name="eng" /></br>
<input type="submit" value="提交"/>
<input type="reset" value="重置"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title>My JSP 'zhuce.jsp' starting page</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String uname=request.getParameter("uname");
String sex=request.getParameter("sex");
String cla=request.getParameter("cla");
String math=request.getParameter("math");
String chin=request.getParameter("chin");
String eng=request.getParameter("eng");
double a=Double.parseDouble(math);
double b=Double.parseDouble(chin);
double c=Double.parseDouble(eng);
double equi=(a+b+c)/3;
out.print("你好！"+cla+"的"+uname+"同学！"+"</br>"+"性别："+sex+"</br>"+
"您的各科平均分数是："+equi);
%>
</body>
</html>
