Main Page

<%@ include file='circle.jsp' %> <%@ include file='ladder.jsp' %>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ page import="java.text.DecimalFormat" %> <%@ page import="java.math.BigDecimal" %> <% double radius = Double.parseDouble(request.getParameter("radius")); double area = Math.PI * radius * radius; DecimalFormat df = new DecimalFormat("#.##"); %>

Circle Area

Radius: <%= radius %>

Area: <%= df.format(area) %>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ page import="java.text.DecimalFormat" %> <%@ page import="java.math.BigDecimal" %> <% double upperBase = Double.parseDouble(request.getParameter("upperBase")); double lowerBase = Double.parseDouble(request.getParameter("lowerBase")); double height = Double.parseDouble(request.getParameter("height")); double area = (upperBase + lowerBase) * height / 2; DecimalFormat df = new DecimalFormat("#.##"); %>

Ladder Area

Upper Base: <%= upperBase %>

Lower Base: <%= lowerBase %>

Height: <%= height %>

Area: <%= df.format(area) %>

在Web服务目录中创建main.jsp、circle.jsp和ladder.jsp文件，并将以上代码复制到对应的文件中即可。