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>
