第五周作业
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> <body bgcolor=cyan> <br>英文课文（English Text）:</br> <jsp:include page="english/english.txt"/> <br>课文音频（English Audio）: </br> <jsp:include page="index2.jsp"/> </body> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body> <body bgcolor=pink> <embed src="english/english.mp3" autostart=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 contentType="text/html;charset=utf-8"%> <%! public String getArea(double r) { if(r>0) { double area=r*r*3.14; return ""+area; } else{ return("半径为"+r+"不能为大于0以外的数字，无法计算面积"); } } %> <% String sideR=request.getParameter("sideR"); double r=Double.parseDouble(sideR); %> <br><br>被加载的文件，计算圆的面积<br> 给我传递的半径是：<%=r%> <br>圆的面积是：<%=getArea(r) %>
<%@page contentType="text/html;charset=utf-8"%> <%! public String getArea(double a,double b,double c) { if(a>0&&b>0&&c>0) { double area=(a+b)*c/2; return ""+area; } else{ return("梯形的上底、下底、高"+a+" "+b+" "+c+"不能为大于0以外的数字，无法计算面积"); } } %> <% String sideA=request.getParameter("sideA"); String sideB=request.getParameter("sideB"); String sideC=request.getParameter("sideC"); double a=Double.parseDouble(sideA); double b=Double.parseDouble(sideB); double c=Double.parseDouble(sideC); %> <br><br>被加载的文件，计算圆的面积<br> 给我传递的上底、下底、高是：<%=sideA%> <%=sideB %> <%=sideC %> <br>梯形的面积是：<%=getArea(a,b,c) %>
<%@page contentType="text/html;charset=utf-8"%> <html> <body> <% double r=3,a=2,b=5,c=2; %> <br>加载circle.jsp计算半径为<%=r %>的圆的面积： <jsp:include page="circle.jsp"> <jsp:param value="<%=r %>" name="sideR"/> </jsp:include> <p>*********************************************************************</p> <br>加载ladder.jsp计算上底、下底、高为<%=a %>,<%=b %>,<%=c %>的梯形面积: <jsp:include page="ladder.jsp"> <jsp:param value="<%=a %>" name="sideA"/> <jsp:param value="<%=b %>" name="sideB"/> <jsp:param value="<%=c %>" name="sideC"/> </jsp:include> </body> </html>
任务三、
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <%="end.jsp的文件内容包含在这里" %>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <%="left.jsp的文件内容包含在这里" %>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <%="main.jsp的文件内容包含在这里" %>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%="top.jsp的文件内容包含在这里"%>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body> <table border="1" width="500" align="center" bgcolor="yellow"> <tr align="center"><td colspan="2"><%@include file="top.jsp" %></td></tr> <tr align="center"><td><%@include file="left.jsp" %></td><td align="center"> <%@include file="main.jsp" %></td></tr> <tr align="center"><td colspan="2"><%@include file="end.jsp" %></td></tr> </table> </body> </html>
任务四、
<%@page import="com.sun.org.apache.bcel.internal.generic.IF_ACMPEQ"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body> <% int i=(int)(Math.random()*10+1); if(i%2==0){ %> <jsp:forward page="oushu.jsp"> <jsp:param name="number" value="<%=i %>"/> </jsp:forward> <% } else{ %> <jsp:forward page="jishu.jsp"> <jsp:param name="number" value="<%=i %>"/> </jsp:forward> <% } %> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body> <% String s=request.getParameter("number"); int a=Integer.parseInt(s); out.println("Hello,我是一个奇数！"+a); %> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body> <% String s=request.getParameter("number"); int a=Integer.parseInt(s); out.println("Hello,我是一个偶数！"+a); %> </body> </html>
