我想列出当前目录的所有文件夹,但有两个问题。每次我运行这个程序时,列表显示目录中最后一个文件夹的所有文件,并且过滤器不起作用。Java目录列表问题
你能帮我吗?
public void foldersPanel()
{
JPanel folderScreen = new JPanel();
folderScreen.setLayout(new GridLayout(1,1));
direFilter = new FilenameFilter()
{
public boolean accept(File file, String string)
{
if (file.isDirectory())
{
return file.isDirectory();
}
else
{
return false;
}
}
};
File directory = new File(System.getProperty("user.dir"));
File[] listOfFiles = directory.listFiles(direFilter);
String[] allFiles = directory.list();
if (directory.isDirectory())
{
int x = 1;
for (int i =0; i<listOfFiles.length; i++) // displays all the files
{
if (listOfFiles[i].isDirectory())
{
folderList = new JList(listOfFiles[i].list(direFilter));
System.out.println(x +") Directory = " + listOfFiles[i].getName());
x++;
folderList.setSelectedIndex(1);
}
else
{
System.out.println("is file");
}
folderScreen.add(new JScrollPane(folderList));
}
}
else
{
System.out.println("This is a file, not a directory, so we will move to the parent folder");
directory = directory.getParentFile();
updateLabels();
System.out.println("The new directory is : " +directory.toString());
}
}
code
你得到具体什么错误? “目录中的最后一个文件夹”是什么意思?你能否澄清你的问题?当前目录中的 – alpian 2011-05-17 23:22:24
是3个文件夹,文件夹1,文件夹2和文件夹3.每次运行此代码时,目录的位置是当前目录/ folder3 – Eristikos 2011-05-19 16:31:24