jsp第三次作业
<%@ 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>
<jsp:include page="circle.jsp">
<jsp:param name="banJing" value="2" />
</jsp:include>
<br>
<jsp:include page="ladder.jsp">
<jsp:param value="4" name="shang" />
<jsp:param value="7" name="xia" />
<jsp:param value="3" name="gao" />
</jsp:include>
</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> <% String banJing = request.getParameter("banJing"); double r = Double.parseDouble(banJing); double pai = 3.14; out.print("圆的面积是"+pai*r*r); %> </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> <% String a = request.getParameter("shang"); String b = request.getParameter("xia"); String c = request.getParameter("gao"); double shang = Double.parseDouble(a); double xia = Double.parseDouble(b); double gao = Double.parseDouble(c); out.print("梯形面积为:" + ((shang + xia) * gao / 2)); %> </body> </html>