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>