<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
</head>
<body>
<jsp:include page="circle.jsp" flush="true">
<jsp:param name="right" value="5"/>
</jsp:include>
<br>
<jsp:include page="ladder.jsp">
<jsp:param value="2" name="shang"/>
<jsp:param value="3" name="xia"/>
<jsp:param value="1.5" name="high"/>
</jsp:include>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
</head>
<body>
<%
String a=request.getParameter("right");
double b=Double.parseDouble(a);
double pi=3.14;
out.print("圆的面积为："+(pi*b*b));
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
</head>
<body>
<%
String a=request.getParameter("shang");
String b=request.getParameter("xia");
String c=request.getParameter("high");
double d=Double.parseDouble(a);
double e=Double.parseDouble(b);
double f=Double.parseDouble(c);
out.print("梯形面积为："+((d+e)*f/2));
%>
<br>
</body>
</html>