jsp第三次作业

任务一、教材P39实验3

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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
  <head>
  </head>
  
  <body bgcolor=blue>
    <embed src="english/english.mp3" autostart = false>
    课文音频
    </embed>
  </body>
</html>
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<%@ page contentType="text/html"%> 
<%@ page  pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html> <body bgcolor=cyan>
<br>英文课文(English Text):</br>
<p style ="font-family:宋体; font-size:18;color:black">
<jsp:include page ="../english/english.txt" />
<br>课文音频(English Audio):</br>
<jsp:include page="audio.jsp" />
</p>
</body>  
</html>
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 任务二、教材P45  8题

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<body>
 <%
    double r=3,a=2,b=5,c=2;
 %>
    <jsp:include page="circle.jsp">
         <jsp:param value="<%=r %>" name="sideR"/>
     </jsp:include>
   <p>-----------------------------</p>
    <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>
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<body>
 <%
    String sideR=request.getParameter("sideR");
    double r=Double.parseDouble(sideR);
%>
   <%!    public String getArea(double r)
    {
        if(r>0)
        {
            double area=r*r*3.14;
            return ""+area;
        }
        else{
            return("半径小于0，不能计算");
        }
    }
%>
 
           半径是：<%=r%>
<br>圆的面积是：<%=getArea(r) %>
 </body>
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<%@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>我是被加载的文件，负责计算梯形的面积<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) %>
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任务三

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<%@ 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>
    <base href="<%=basePath%>">
    <title>starting page</title>
  </head>
  <body >
  <table border="1" width="600" align="center" bgcolor="pink">
  <tr align="center"><td colspan="2"bgcolor="orange"><%@include file="above.jsp" %></td></tr>
  <tr align="center"><td bgcolor="pink"><%@include file="left.jsp" %></td><td align="center"bgcolor="red"><%@include file="right.jsp" %></td></tr>
  <tr align="center"><td colspan="2"><%@include file="underneath.jsp" %></td></tr>
  </table>
    
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="top.jsp"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="left.jsp"%>
 
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="underneath.jsp"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="right.jsp"%>
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任务四、

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<%@ 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 s=request.getParameter("number");
   int a=Integer.parseInt(s);
   out.println("随机数是"+a);
    %>
    <h1>Hello,我是一个偶数！</h1>
  </body>
</html>
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<%@ 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("随机数是"+a);
    %>
    <h1>Hello,我是一个奇数！</h1>
  </body>
</html>
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
  <head>
    <title>index</title>
  </head>
  
  <body>
    <h1>产生一个0到10的随机整数</h1>
    <%
    int i= (int)Math.round(Math.random()*10);
    if(i%2==0){
     %>
     <jsp:forward page="even.jsp">
     <jsp:param value="<%=i %>" name="number"/>
     </jsp:forward>
     <%
     }else{
      %>
      <jsp:forward page="oddNumber.jsp">
      <jsp:param value="<%=i %>" name="number"/>
      </jsp:forward>
      <%
      }
       %>
  </body>
</html>
posted @ 2022-04-02 23:12  医不活  阅读(75)  评论(0)    收藏  举报