第六次作业
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<!--
EL内置對象有四個：pagecontext(頁面上下文)、param(參數)、paramValues(參數)、initParam(初始化參數)
-->
<!-- pagecontext(頁面上下文)在發送頁面跳轉用EL -->
<form action="${pageContext.request.contextPath}/EL2.jsp" method="POST">
姓名：<input type = "text" name = "name"/>只能输入字母或者数字<br>
年龄：<input type = "text" name = "age"/>密码长度6-12位<br>
Sex：<input type = "checkbox" name = "sex"value = "男"/>男<input type = "checkbox" name = "sex"value = "女"/>女<br>
电子邮箱地址：<input type = "text" name = "email"/>输入正确的email<br>
出生日期:<input type = "text" name = "year"/>年<input type = "text" name = "month"/>月<input type = "text" name = "day"/>日<br>
<input type = "submit" value = "同意以下协议和条款并且提交"/>
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<!--
EL内置對象有四個：pagecontext(頁面上下文)、param(參數)、paramValues(參數)、initParam(初始化參數)
-->
<!-- 實現獲取參數param(參數)
param:底層調用的是request.getParamter的方法-->
<%
request.setCharacterEncoding("UTF-8");
%>
姓名 = ${param.name}<br>
年龄 = ${param.age}<br>
<!-- 實現獲取參數paramValues(參數)、
paramValues:底層調用的是request.getParamterValues的方法-->
性别 = ${paramValues.sex[0] }<br>
电子邮箱: = ${param.email}<br>
出生日期： = ${param.year}年${param.month}月${param.day}日
<!-- initParam(初始化參數)
initParam(初始化參數):底層調用的是request.initParam的方法-->
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<!--
EL内置對象有四個：pagecontext(頁面上下文)、param(參數)、paramValues(參數)、initParam(初始化參數)
-->
<!-- pagecontext(頁面上下文)在發送頁面跳轉用EL -->
<form action="${pageContext.request.contextPath}/EL2.jsp" method="POST">
求平均值<br>
姓名：<input type = "text" name = "name"/>只能输入字母或者数字<br>
Sex：<input type = "checkbox" name = "sex"value = "男"/>男<input type = "checkbox" name = "sex"value = "女"/>女<br>
班级：<input type = "text" name = "c"/><br>
语文：<input type = "text" name = "yuwen"/><br>
数学：<input type = "text" name = "math"/><br>
英语：<input type = "text" name = "english"/><br>
<input type = "submit" value = "同意以下协议和条款并且提交"/>
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
String yuwen = request.getParameter("yuwen");
String math = request.getParameter("math");
String english = request.getParameter("english");
Integer iyuwen = Integer.valueOf(yuwen);
Integer imath = Integer.valueOf(math);
Integer ienglish = Integer.valueOf(english);
Integer sum = (iyuwen+iyuwen+ienglish)/3;
%>
姓名 = ${param.name}<br>
班级 = ${param.c}<br>
语文 = ${param.yuwen}<br>
数学 = ${param.math}<br>
英语 = ${param.english}<br>
性别 = ${paramValues.sex[0] }<br>
平均值为<%=sum%>
</form>
</body>
</html>
