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  • 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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  • 原文地址:https://www.cnblogs.com/y611lx/p/14593863.html
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