jsp第三周
1 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>
2 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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