遍历文件夹所有文件，放入数组

public class FileTest ...{




static FileFilter filter = new FileFilter() ...{


private List extList = new ArrayList();




...{


String[] exts = ".java;.ico;.doc".split(";");


for (String ext : exts)


extList.add(ext);


}






public boolean accept(File pathname) ...{


if (pathname.isDirectory())


return true;


int idx = pathname.getName().lastIndexOf(".");


if (idx >= 0 && extList.contains(pathname.getName().substring(idx)))


return true;


return false;


}


};






public static void findFiles(File dir, List list) ...{


if (!dir.exists())


return;


File[] files = dir.listFiles(filter);




for (File file : files) ...{


if (file.isDirectory())


findFiles(file, list);


else


list.add(file);


}


}






public static void main(String[] args) ...{


List<File> list = new ArrayList();


findFiles(new File("D:/temp"), list);


for (File file : list)


System.out.println(file.getAbsolutePath());


}


}