jsp教程中的import函数的使用方法

<%@ page import="java.io.*" %>

   
       
   

   
       

Index of Files

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        <%
            String file = application.getRealPath("/");

            File file1 = new File(file);
            String [] fileNames = file1.list();
            File [] fileObjects= file1.listFiles();
        %>
       

        <%
            for (int i = 0; i < fileObjects.length; i++) {
                if(!fileObjects[i].isDirectory()){
        %>
       
• 
            <%= fileNames[i] %>
                
            (<%= Long.toString(fileObjects[i].length()) %> bytes long)
          <%
                  }
              }
          %>