1.
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>用户注册</title>
</head>
<body>
<form action="MyJsp.jsp" method="post">
用户名： <input type="text" name="yhm" style="width:200px;" />只能输入字母或数字，4-16个字符<br>
<br> 密码： <input type="password" name="mima" style="width:200px;" />密码长度为6-12位<br>
<br> 确认密码： <input type="password" name="mima" style="width:200px;" /><br>
<br> 性别： <input type="radio" name="xb" value="男" algin="top"
checked="ok" />男 <input type="radio" name="xb" value="女" algin="top" />女<br>
<br> 电子邮件地址：<input type="email" name="nemail"
style="width:200px;" value="918785971@qq.com" />输入正确的Email地址<br>
<br> 出生日期： <input type="data" name="year" style="width:90px;" value="2001" />年
<select name="month">
<option selected>四
<option >二</option>
<option >三</option>
<option >一</option>
<option >五</option>
<option >六月</option>
<option >七月</option>
<option >八月</option>
<option >九月</option>
<option >十月</option>
<option >十一月</option>
<option >十二月</option>
</select>月 <select name="day">
<option selected>23
<option>24</option>
<option>25</option>
<option>26</option>
<option>27</option>
<option>28</option>
</select> 日<br>
<br> <input type="submit" value="同意以下协议条款并提交" size="10px"
style="width:200px;" /><br>
<textarea name="description" style="overflow-y:autio;">jdakdaljakljdalkjfalfjlhfkalfhkalhkahfakhkahfkafhakfhkahfkasfhfnncmxncxksjdadawjl</textarea>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>l</title>
</head>
<body>
您注册的信息如下：<br>
<%
request.setCharacterEncoding("utf-8");
String yhm=request.getParameter("yhm");
String mima=request.getParameter("mima");
String xb=request.getParameter("xb");
String nemail=request.getParameter("nemail");
String year=request.getParameter("year");
String month=request.getParameter("month");
String day=request.getParameter("day");
%>
用户名：<%=yhm %><br>
密码:<%=mima %><br>
性别：<%=xb %><br>
电子邮箱：<%=nemail %><br>
出生日期：<%=year %>年<%=month %>月<%=day %>日<br>
</body>
</html>
2.
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'two.jsp' starting page</title>
</head>
<body>
<form action="three.jsp" method="post">
求平均值：<br><br>
姓名： <input type="text" name="name"/><br><br>
性别：<input type="radio" name="xb" value="男" checked="ok"/>男
<input type="radio" name="xb" value="女"/>女<br><br>
班级:
<select name="classs">
<option>计算机1902</option>
<option>计算机1903</option>
</select><br><br>
语文：<input type="text" name="chinese"/><br><br>
数学：<input type="text" name="math"/><br><br>
英语：<input type="text" name="english"/><br><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"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'three.jsp' starting page</title>
</head>
<body>
你好！
<%
request.setCharacterEncoding("utf-8");
String name=request.getParameter("name");
String xb=request.getParameter("xb");
String classs=request.getParameter("classs");
String chinese=request.getParameter("chinese");
String math=request.getParameter("math");
String english=request.getParameter("english");
double chinese1=Integer.parseInt(chinese);
double math1=Integer.parseInt(math);
double english1=Integer.parseInt(english);
double n=(chinese1+math1+english1)/3;
%> <%=classs %>的<%=name %>同学！<br><br>
性别：<%=xb %><br><br>
您的各科平均分是：<%=n %>
</body>
</html>
