<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<form action="login.jsp" method="post" >
用户名：<input type="text" name="uname" minlength="4" maxlength="16"/>只能输入字母或数字，4-16个字符<br>
密码：<input type="password" name="pas1" minlength="6" maxlength="12"/>密码长度6-12位<br>
密码：<input type="password" name="pas2" minlength="6" maxlength="12"/><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" value="1149575305@qq.com" />输入正确的Email地址<br>
出生日期<input type="date" name="bir" value="1999年-02月-05日" /><br>
<input type="submit" value="同意协议条款并提交"/> <br>
<textarea name="bz" rows="5" cols="50">--这个家伙很懒，什么也没有留下--</textarea>
</form>
</body>
</html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String name=request.getParameter("name");
String sex=request.getParameter("sex");
String grade=request.getParameter("grade");
String chinese=request.getParameter("chinese");
String math=request.getParameter("math");
String english=request.getParameter("english");
double chi=Double.parseDouble(chinese);
double mat=Double.parseDouble(math);
double eng=Double.parseDouble(english);
double sum=chi+mat+eng;
double ave=sum/3;
out.print("你好"+grade+"的"+name+"同学"+"<br>"+"性别:"+sex+"<br>"+"您的各科平均成绩是："+ave);
%>
</body>
</html>
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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<form action="domarch.jsp" method="post">
<p>求平均值</p>
姓名:<input type="text" name="name"/><br>
性别:<input type="radio" name="sex" value="男"/>男
<input type="radio" name="sex" value="女"/>女<br>
班级：<select name="grade">
<option>101班</option>
<option>102班</option>
</select><br>
语文: <input type="text" name="chinese"/><br>
数学: <input type="text" name="math"/><br>
英语: <input type="text" name="english"/><br>
<input type="submit" name="提交">
<input type="reset" name="重置">
</form>
</body>
</html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<%
String uname=request.getParameter("uname");
String password1=request.getParameter("pas1");
String password2=request.getParameter("pas2");
String sex=request.getParameter("sex");
String em=request.getParameter("em");
String bir=request.getParameter("bir");
if(password1.equals(password2)){
out.print("注册成功");
out.print("用户名是："+uname+"</br>"+"密码是："+password1+"</br>"
+"性别是："+sex+"</br>"+"电子邮件是："+em+"</br>"+"出生日期是："+bir+"</br>");
}
else{
out.print("两次密码不一样！");
}
%>
</body>
</html>
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