<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html > <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <body> <jsp:include page="circle.jsp"> <jsp:param name="banjing" value="4"/> </jsp:include> <br> <jsp:include page="ladder.jsp"> <jsp:param name="shang" value="6"/> <jsp:param name="xia" value="8"/> <jsp:param name="high" value="7"/> </jsp:include> </body> </html>
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html > <html> <head> <meta http-equiv="Content-Type" content="text/html; 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("圆的面积为:"+(pai*r*r)); %> </body> </html>
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <% String shang = request.getParameter("shang"); String xia = request.getParameter("xia"); String high = request.getParameter("high"); double a=Double.parseDouble(shang); double b=Double.parseDouble(xia); double c=Double.parseDouble(high); out.print("梯形的面积是:"+((a+b)*c)/2); %> </body> </html>