jsp教程 尋找遍曆目錄下所有檔案,我們先利用了application.getRealPath讀取根目錄檔案，然後再利用 new file讀取目錄檔案再儲存到數組，最後用for遍曆輸出。
<%@ page import="java.io.*" %>
<HTML>
<HEAD>
<TITLE>Index of Files</TITLE>
</HEAD><BODY>
<H1>Index of Files</H1>
Click a file to open/download it...
<%
String file = application.getRealPath("/");File file1 = new File(file);
String [] fileNames = file1.list();
File [] fileObjects= file1.listFiles();
%>
<UL>
<%
for (int i = 0; i < fileObjects.length; i++) {
if(!fileObjects[i].isDirectory()){
%>
<LI>
<A HREF="<%= fileNames[i] %>"><%= fileNames[i] %></A>
(<%= Long.toString(fileObjects[i].length()) %> bytes long)
<%
}
}
%>
</UL>
</BODY>
</HTML>
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