jsp第三次作业

main

<%@ 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%>">

<title>My JSP 'main.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

</head>

<body>
    <jsp:include page="circle.jsp" flush="true">
        <jsp:param value="2" name="r" />
    </jsp:include>
    <br>
    <jsp:include page="ladder.jsp">
        <jsp:param value="2" name="shang" />
        <jsp:param value="3" name="xia" />
        <jsp:param value="4" name="high" />
    </jsp:include>

</body>
</html>

circle

<%@ 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%>">

<title>My JSP 'circle.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

</head>
<body>
    <%
  String a=request.getParameter("r");
  double b=Double.parseDouble(a);
  double pi=3.14;
  out.println("圆的半径为:"+b);
  
   %>
    <br>
    <%out.println("圆的面积为:"+(pi*b*b));
   %>
</body>

</html>

ladder

<%@ 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%>">

<title>My JSP 'ladder.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

</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.println("梯形的长宽高为:"+a+","+b+","+c);
  
   %>
    <br>
    <%out.println("梯形面积为:"+((d+e)*f/2));
   %>
</body>
</html>

posted @ 2020-03-23 15:13  Rescum  阅读(109)  评论(0编辑  收藏  举报