JSP第三次作业

1.

<%@ page contentType="text/html"%> 
<%@ page  pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html> <body bgcolor=pink>
<embed src="english/english.mp3"autostart=false>
课文音频
</embed>
</body>  
</html>

  

<%@ 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>

  

 

 

2.

<%@page contentType="text/html;charset=utf-8"%>
<html>
    <body>
<%
    double r=3,a=8,b=4,c=4;
 %>
 <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>

  

<%@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>我是被加载的文件,负责计算圆的面积<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>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) %>


 

 

 

 

3.

<%@ 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>My JSP 'index1.jsp' starting page</title>
  </head>
  <body >
  <table border="2" width="800" align="center" bgcolor="green">
  <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>

  

 

 

4.

<%@ 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>My JSP 'index.jsp' starting page</title>
  </head>
  <body>
  <%
  String r=request.getParameter("i");
  int x=Integer.parseInt(r);
  out.print("随机数"+x); %>
  Hello,我是奇数!!!
   
  </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>
    <base href="<%=basePath%>">
    <title>My JSP 'index.jsp' starting page</title>
  </head>
  <body>
    <%
  String r=request.getParameter("i");
  int x=Integer.parseInt(r);
  out.print("随机数"+x); %>
    Hello,我是偶数!!!
  </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>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
    <%
        int i = (int) (Math.random() * 10 + 1);
        if (i % 2 == 0) {
    %>
    <jsp:forward page="2.jsp">
        <jsp:param value="<%=i %>" name="i" />
    </jsp:forward>
    <%
        } else {
    %>
    <jsp:forward page="1.jsp">
        <jsp:param value="<%=i %>" name="i" />
    </jsp:forward>
    <%
        }
    %>
</body>
</html>

  

 

posted @ 2022-04-03 18:11  MaLD  阅读(7)  评论(0编辑  收藏  举报