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Jsp第三次作业

<%@ 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=utf-8">
<title>Insert title here</title>
</head>
<body>
    <jsp:include page="yuan.jsp">
        <jsp:param name="banJing" value="1" />
    </jsp:include>
    <br>
    <jsp:include page="ti.jsp">
        <jsp:param value="10" name="shang" />
        <jsp:param value="5" name="xia" />
        <jsp:param value="15" name="gao" />
    </jsp:include>
</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=utf-8">
<title>Insert title here</title>
</head>
<body>
    <%
        String a = request.getParameter("shang");
        String b = request.getParameter("xia");
        String c = request.getParameter("gao");
        double shang = Double.parseDouble(a);
        double xia = Double.parseDouble(b);
        double gao = Double.parseDouble(c);
        out.print("梯形面积为:" + ((shang + xia) * gao / 2));
    %>
</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=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>

 

posted on 2020-03-23 18:10  GJM~  阅读(191)  评论(0编辑  收藏  举报