jsp新代码第438课-CFANZ编程社区

jsp新代码第438课
new438.jsp
<%@ page import="java.io.File" %>
<%@ page import="com.sun.xml.internal.ws.spi.db.FieldSetter" %><%--
  Created by IntelliJ IDEA.
  User: user1
  Date: 2022/8/3
  Time: 16:14
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <%
        File dir = new File("c:\\");
        File[] files = dir.listFiles();
    %>
    <p>列出目录下的文件和目录：</p>
    <%
        for(int i=0;i<files.length;i++)
        {
            if(files[i].isDirectory())
            {
                out.print("<br>" + files[i].toString());
            }
        }
    %>
    <p>长度大于?字节的文件名：</p>
    <%
        int count = 0;
        for(int j=0;j<files.length;j++)
        {
            if(count <= 5)
            {
                if(files[j].length() >= 1)
                {
                    out.print("<br>" + files[j].toString());
                    count++;
                }
            }
            else
            {
                //out.print("<br>共" + count + "个");
                //return;  //循环结束，后续代码不执行
                break;  //循环结束，执行后续代码
            }
        }
        out.print("<br>共" + count + "个");
    %>

</body>
</html>
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