JSP第三次作业 

<%@ page language="java" import="java.util.regex.Pattern,java.util.regex.Matcher" pageEncoding="utf-8"%>
<%@ page contentType="text/html" %>

<%!
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>
  <head>

  <p>实验一：消费总和</p>
  </head>

  <body bgcolor=cyan>
  <p style="font-family:黑体;font-size:20">
  <br>张三的菜单：</br>
  <%   String str="麻辣豆腐：20.6元，红烧肉：68.9元";
   %>
   <br><%=str %></br>
    <br><b><i>消费总和：<%=getPriceSum(str) %>元</i></b></br>
   <br>李四的菜单：</br>
  <%    str="剁椒鱼头：62.9元，烤鸭：199元，红焖大虾：289.9元";
   %>
  <br><%=str %></br>
    <br><b><i>消费总和：<%=getPriceSum(str) %>元</i></b></br>
    </p>
   
  </body>
</html>

 

实验二：日期时间
<%@ page language="java"  import="java.util.Date"  pageEncoding="utf-8"%>
<%@page contentType="text/html" %>

<%
    Date date = new Date();

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  </head>
  
  <body>
     <h2>
        用户在<%=date.getYear()%>/<%=date.getMonth()+1%>/
     <%=date.getDate()%><br>
     <%=date.getHours()%>:<%=date.getMinutes()%>:<%=date.getSeconds()%>访问了网页.
     </h2>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@page contentType="text/html" %>

<!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>(服务器端的日期、时间)</h1>
   <%@ include file="time.jsp" %>
  </body>
</html>

 

 实验三：听英语

 

<%@ page language="java" import="java.util.*" 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>

 

<%@ page language="java" import="java.util.*" 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>

 

posted @ 2021-03-26 13:50  wsw4  阅读(115)  评论(0)    收藏  举报