JSP第五周作业

1.

<%@ 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>
<title>My JSP 'listenEnglish.jsp' starting page</title>
</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"%>

<%
    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>
<title>My JSP 'audio.jsp' starting page</title>
</head>

<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 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>
<title>My JSP 'main.jsp' starting page</title>
</head>

<body>
    <%
        double r = 3, a = 2, b = 5, 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>----------------------分割线---------------------------</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 language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<%!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)%>

<html>
<head>
<title>My JSP 'circle.jsp' starting page</title>
</head>
<body></body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%!
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,b) %>

<html>
<head>
<title>My JSP 'ladder.jsp' starting page</title>
</head>
<body></body>
</html>

 

 

任务三

 

<%@ 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>
    <table border="1" align="center" bgcolor="yellow">
    <tr align="center"><td colspan="2"><jsp:include page="top.jsp"></jsp:include>
    <tr align="center">
     <td><jsp:include page="left.jsp"></jsp:include></td>
     <td><jsp:include page="main.jsp"></jsp:include></td>
         <tr align="center"><td colspan="2"><jsp:include page="end.jsp"></jsp:include>
    </table>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%="main.jsp的文件内容包含在这里 "%>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%="top.jsp的文件内容包含在这里 "%>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%="end.jsp的文件内容包含在这里 "%>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<%="left.jsp的文件内容包含在这里 "%>

 

 

任务四

 

 

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
    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="one.jsp">
        <jsp:param value="<%=i %>" name="num" />
    </jsp:forward>
    <%
        } else {
    %>
    <jsp:forward page="two.jsp">
        <jsp:param value="<%=i %>" name="num" />
    </jsp:forward>
    <%
        }
    %>
</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 'one.jsp' starting page</title>
</head>
<body>
    <%
        String m = request.getParameter("num");
        int n = Integer.parseInt(m);
        out.print("随机数为" + n + "<br>");
    %>
    Hello,我是一个奇数！
</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 'two.jsp' starting page</title>
</head>

<body>
    <%
        String m = request.getParameter("num");
        int n = Integer.parseInt(m);
        out.print("随机数为" + n + "<br>");
    %>
    Hello,我是一个偶数！
</body>
</html>

 

 

 

posted @ 2022-03-30 22:13  吴泽含  阅读(23)  评论(0)  编辑  收藏  举报