JSP第三周作业

<%@ 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>

原文地址:https://www.cnblogs.com/lj1221/p/12560604.html