JSP第三次作业实验

实验一 消费总和

<%@ page language="java" contentType="text/html" import="java.util.*"  pageEncoding="utf-8"%>
<%@ page import="java.util.regex.Pattern"%>
<%@ page import ="java.util.regex.Matcher"%>
<!DOCTYPE html>
<html>
<head>
</head>
<%!
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;
    }
 %>
<body bgcolor=cyan>
    <p style ="font-family:黑体；font-size:20">
    <br>张三的菜单：</br>
    <%String str= "麻婆豆腐：20.6元，红烧肉：68.9元";
     %>
    <br><%=str%></br>
    <br><b><i>消费总和：<%=getPriceSum(str) %></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) %></i></b></br>
    </p>
</body>
</html>

 实验二  日期时间

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import = "java.time.LocalDate" %>
<%@ page import = "java.time.LocalTime" %>
<%
    LocalDate date = LocalDate.now();
    LocalTime time = LocalTime.now();
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  </head>
  
  <body>
     <h2>
        用户在<%=date.getYear()%>/<%=date.getMonthValue()%>/
     <%=date.getDayMonth()%><br>
     <%=time.getHour()%>:<%=time.getMinute()%>:<%=time.getSecond()%>访问了网页.
     </h2>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    

  </head>
  
  <body>
    <h1>显示访问网页的日期、时间<br>（服务器端的日期、日期）</h1>
    <%@ include file = "time.jsp"%>
  </body>
</html>

实验三  听英语

<%@ 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 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"%>
<%
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 bgcolor=pink>
  <embed src="english/english.mp3"autostart=false>
    课文音频
   </embed>
  </body>
</html>
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原文地址：https://www.cnblogs.com/LILY321/p/14583449.html