实验一 p37

<%@ page import="java.util.regex.Matcher" %>
<%@ page import="java.util.regex.Pattern" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%!
  public double getPriceSum(String str){
    Pattern pattern;
    Matcher matcher;
    String regex = "-?[0-9][0-9]*[.]?[0-9]*";
    pattern = Pattern.compile(regex);
    matcher = pattern.matcher(str);
    double sum = 0;
    while(matcher.find()){
      String string = matcher.group();
      sum += Double.parseDouble(string);
    }
    return sum;
  }
%>
<html>
  <style>
    h3{
      color: aquamarine;
    }
    p{
      color: darkorchid;
    }
  </style>
  <body>
  <h3>张三的菜单</h3>
  <p><% String str = "宫保鸡丁:55.55,麻辣豆腐:33.33";%></p>
  <p><%=str%></p>
  <i>消费总和:<%=getPriceSum(str)%></i><br>
  <hr>
  <h3>李四的菜单</h3>
  <p><% String str1 = "酸菜鱼:33.33,水煮肉片:66.66";%></p>
  <p><%=str1%></p>
  <i>消费总和:<%=getPriceSum(str1)%></i><br>
  </body>
</html>

实验二 p39

userTime.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
    <a href="time.jsp">显示访问网页的日期、时间</a>
</body>
</html>

time.jsp

<%@ page import="java.util.Date" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<style>
    h3{
        color: darkgray;
    }
</style>

<body>
    <h3>
        用户在
        <%Date date = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        %>
        <%=sdf.format(date)%>
        访问了网页
    </h3>
</body>
</html>

 

 

 

 

 

 

实验三 p39

audio.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>

<body bgcolor="#faebd7">
<embed src="song/song.mp3" autostart="false">
歌曲音频
</embed>
</body>
</html>

listenSong.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<style>
    p{
        font-family: "宋体";
        font-size: 18px;
        color: darkorchid;
    }
</style>
<body bgcolor="#5f9ea0">
    音乐歌词<br>
<p>
    <jsp:include page="song/geci.txt"></jsp:include>
    歌曲音频<br>
    <jsp:include page="audio.jsp"></jsp:include>
</p>
</body>
</html>

 

posted on 2021-03-17 19:13  Lilbetter  阅读(88)  评论(0编辑  收藏  举报