<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
</head>
<body bgcolor = pink>
<form action="index.jsp" method="post">
用户名：<input type="text" name="uname">只能输入字母或数字，4-16个字符<br>
密码：<input type="password" name="upwd">密码长度6-12位<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
电子邮件：<input type="text" name="email" >输入正确的地址<br>
出生日期：<type=onclick>
<select name="year">
<option value="1">1</option>
<option value="2">2</option>
</select>年
<select name="month">
<option value="1">1</option>
<option value="2">2</option>
</select>月
<select name="date">
<option value="1">1</option>
<option value="2">2</option>
</select>日
<input type="submit" value="注册">
<textarea rows="10" cols="50" readonly="readonly">
总则
</textarea>
</form>
</body>
</html>
<%@ 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>
</head>
<body>
成功<br>
<%
request.setCharacterEncoding("utf-8");
String uname=request.getParameter("uname");
String upwd=request.getParameter("upwd");
String sex=request.getParameter("sex");
String email=request.getParameter("email");
String year=request.getParameter("year");
String month=request.getParameter("month");
String date=request.getParameter("date");
%>
你的用户名是<%= uname %><br>密码是<%= upwd %><br> 性别是<%=sex %><br>
邮件是<%= email %> <br>出生日期是<%= year %>年<%=month %>月<%=date %>日
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title></title>
</head>
<body>
求平均值：
<form action="2.rr.jsp" menthod="post">
姓名：<input type="text" name="uname"><br>
性别: <input type="radio" value="boy" name="sex">boy
<input type="radio" value="girl" name="sex">girl<br>
班级：
<select name="banji">
<option>1352311</option>
<option>1352312</option>
<option>1352313</option>
</select><br>
语文：<input type="text" value="80" name="chinese"><br>
数学：<input type="text" value="89" name="math"><br>
英语：<input type="text" value="81" name="english"><br>
<input type="submit" value="提交" name="sumbit">
<input type="reset" value="重置" name="reset">
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title></title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String uname = request.getParameter("uname");
String sex = request.getParameter("sex");
String banji = request.getParameter("banji");
String chinese = request.getParameter("chinese");
String math = request.getParameter("math");
String english = request.getParameter("english");
if (chinese != null && math != null && english != null) {
double a = Double.parseDouble(chinese);
double b = Double.parseDouble(math);
double c = Double.parseDouble(english);
double avg = (a + b + c) / 3;
%>
您好!<%=banji%>班的<%=uname%>同学!
<br>性别：<%=sex%><br>您的各科平均分是：<%=avg%>
<%
}
%>
</body>
</html>
