Java教程

第五周

本文主要是介绍第五周,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

1.任务一、教材P39实验3

 1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
 2 
 3 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 4 <html>
 5   <head>
 6     <title>text1</title>
 7   </head>
 8   
 9   <body>
10     <h2>英文课文(English Text):</h2>
11     <p style="font-family: 宋体;font-size: 18;color: black;">
12     <jsp:include page="english/english.txt"/>
13     <br>课文音频(English Audio):<br>
14     <jsp:include page="audio.jsp"/>
15     </p>
16   </body>
17 </html>
 1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
 2 
 3 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 4 <html>
 5   
 6   
 7   <body>
 8     <embed src="english/english.mp3" autoplay="false">
 9   </body>
10 </html>

 

2.任务二、教材P45  8题

 1 <body>
 2     <h2>半径为2的圆的面积:</h2>
 3     <p>
 4     <jsp:include page="circle.jsp">
 5     <jsp:param value="2" name="r"/>
 6     </jsp:include>
 7     </p><br><br>
 8     <h2>上底2,下底4,高2的梯形的面积:</h2>
 9     <p>
10     <jsp:include page="ladder.jsp">
11     <jsp:param value="2" name="s"/>
12     <jsp:param value="4" name="x"/>
13     <jsp:param value="2" name="g"/>
14     </jsp:include>
15     </p>
16   </body>
 1 <body>
 2     <%
 3     String r=request.getParameter("r");
 4     double a=Double.parseDouble(r);
 5     double s=3.14*a*a;
 6      %>
 7      <h3><%=s %></h3>
 8   </body>
 9 
10 
11 <body>
12     <%
13     String s=request.getParameter("s");
14     String x=request.getParameter("x");
15     String g=request.getParameter("g");
16     double a=Double.parseDouble(s);
17     double b=Double.parseDouble(x);
18     double c=Double.parseDouble(g);
19     double m=(a+b)*c*0.5;
20      %>
21      <h3><%=m %></h3>
22   </body>

 

 

3.

任务三、详见Word图片

<body>
  <table border="1" align="center">
    <tr align="center"><td colspan="2"><%@ include file="top.jsp" %></td></tr>
    <tr align="center"><td><%@ include file="left.jsp" %></td><td><%@ include file="main.jsp" %></td></tr>
    <tr align="center"><td colspan="2"><%@ include file="end.jsp" %></td></tr>
  </table>
  </body>
<h4>top.jsp的文件内容包含在这里</h4>

<h4>left.jsp的文件内容包含在这里</h4>

<h4>main.jsp的文件内容包含在这里</h4>

<h4>end.jsp的文件内容包含在这里</h4>

 

4.

任务四、详见Word图片

<%@ page language="java" import="java.util.Random" pageEncoding="UTF-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <body>
  <%
  int i=(int)(Math.random()*10)+1;
  if(i/2==0){
  %>
  <jsp:forward page="end.jsp"/>
  <% }else{ %>
   <jsp:forward page="left.jsp"/>
  <%} %>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <body>
  <h1>Hello,我是一个偶数!</h1>
  </body>
</html>




<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <body>
  <h1>Hello,我是一个奇数!</h1>
  </body>
</html>

 

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