JSP第三次作业3/17

1.

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ page contentType="text/html" %>
<%@ page import="java.util.regex.Pattern" %>
<%@ page import="java.util.regex.Matcher" %>
 
 
<%!
    public double getPriceSum(String input){
        Pattern pattern;
        Matcher matcher;
        String regex="-?[0-9][0-9]*[.]?[0-9]";
        pattern=Pattern.compile(regex);
        matcher=pattern.matcher(input);
        double sum=0;
        while(matcher.find()){
        String str=matcher.group();
        sum+=Double.parseDouble(str);
        }
        return sum;
    }
 %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<br>张三的菜单</br>
<%
    String str="麻婆豆腐：34.3，红烧肉：40.2";
 %>
 <br><%= str %></br>
 <br><b><i>消费：<%=getPriceSum(str) %></i></b></br>
 <br>李四的菜单</br>
<%
    String strr="辣子鸡：45，北京烤鸭：128，油焖大虾：188";
 %>
 <br><%= strr %></br>
 <br><b><i>消费：<%=getPriceSum(strr) %></i></b></br>
   
</html>

　　2.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
 
<%@ page import ="java.text.SimpleDateFormat" %>
 
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<%
    Date d=new Date();
    SimpleDateFormat a=new SimpleDateFormat();
    String now=a.format(d);
     
 %>
<br>
<%
    out.print(now);
 %>

<%@ 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>
<body>
<h1>显示访问网页的日期时间<br>(服务器的时间日期)</h1>
<%@ include file="time.jsp" %>
</body>

</html>

　　3.

<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

 

<body bgcolor="#faebd7">

<embed src="song/song.mp3" autostart="false">

歌曲音频

</embed>

</body>

</html>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

<style>

    p{

        font-family: "宋体";

        font-size: 18px;

        color: darkorchid;

    }

</style>

<body bgcolor="#5f9ea0">

    音乐歌词<br>

<p>

    <jsp:include page="song/geci.txt"></jsp:include>

    歌曲音频<br>

    <jsp:include page="audio.jsp"></jsp:include>

</p>

</body>

</html>

　　

posted @ 2021-04-02 23:35  杨博文  阅读(45)  评论(0)    收藏  举报