第三次作业
任务一、教材P39实验3
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor=cyan>
<br>英语课文(English Text):</br>
<p style="font-family: 宋体; font-size: 18; color: black">
<jsp:include page="english/english.txt"></jsp:include>
<br> 课文音频(English Audio):</br>
<jsp:include page="audio.jsp"></jsp:include>
</p>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body bgcolor="pink"> <embed src="english/english.mp3" autoplay="false"> 课文音频 </embed> </body> </html>
任务二、教材P45 8题
提示：圆形面积需要一个param 梯形面积需要3个param,可以参考教材例2-11
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor=cyan>
加载circle.jsp页面计算的圆的面积
<jsp:include page="circle.jsp"> <!-- 包含circle.jsp -->
<jsp:param value="5" name="r"/> <!-- 传r=5的值 -->
</jsp:include>
加载ladder.jsp页面计算的圆的面积
<jsp:include page="ladder.jsp">
<jsp:param value="5" name="a"/>
<jsp:param value="4" name="b"/>
<jsp:param value="6" name="h"/>
</jsp:include>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<body>
<b>被加载的文件，计算圆的面积</b>
<%String r=request.getParameter("r"); //得到r的值 string 型
double r1=Double.parseDouble(r); //把r转成double类型
double area =3.14*r1*r1; //定义面积
out.print("圆的面积是:"+area); //输出
%>
<br>
</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>
<body>
<b>被加载的文件，计算梯形的面积</b>
<%String a=request.getParameter("a");
String b=request.getParameter("b");
String h=request.getParameter("h");
double a1=Double.parseDouble(a);
double b1=Double.parseDouble(b);
double h1=Double.parseDouble(h);
double Tarea =((a1+b1)*h1/2);
out.print("梯形的面积是:"+Tarea);
%>
</body>
</html>
任务三、
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<body>
<table width="400px" height="400px" border="2" bordercolor="red" align="center">
<tr>
<td colspan="2"><%@ include file="top.jsp" %></td>
</tr>
<tr>
<td><%@ include file="left.jsp" %></td>
<td><%@ include file="right.jsp" %></td>
</tr>
<tr>
<td colspan="2"><%@ include file="bottom.jsp" %></td>
</tr>
</table>
</body>
</html>
任务四、
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
</head>
<body>
<% double r=(int)(Math.random()*10)+1;
if(r%2==0){
%>
<jsp:forward page="t1.jsp">
<jsp:param value="<%=r %>" name="num"/>
</jsp:forward>
<% }
else{%>
<jsp:forward page="t2.jsp">
<jsp:param value="<%=r %>" name="num"/>
</jsp:forward>
<% } %>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<body>
<%String r=request.getParameter("num");
out.print("Hello,我是一个偶数"+r); %>
</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>
</head>
<body> <%String r=request.getParameter("num");
out.print("Hello,我是一个奇数"+r); %>
</body>
</html>
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