import java.io.*;
public class CopyDirectory {
    static String url1 = "f:/photos";// Դļ
	static String url2 = "d:/tempPhotos";// Ŀļ
	public static void main(String args[]) throws IOException {
		// Ŀļ
		(new File(url2)).mkdirs();
		// ȡԴļеǰµļĿ¼
		File[] file = (new File(url1)).listFiles();
		for (int i = 0; i < file.length; i++) {
			if (file[i].isFile()) {
				// ļ
				copyFile(file[i],new File(url2+file[i].getName()));
			}
			if (file[i].isDirectory()) {
				// Ŀ¼
				String sourceDir=url1+File.separator+file[i].getName();
				String targetDir=url2+File.separator+file[i].getName();
				copyDirectiory(sourceDir, targetDir);
			}
		}
	}
public static void copyFile(File sourceFile,File targetFile) 
throws IOException{
   	 	// ½ļл
    		FileInputStream input = new FileInputStream(sourceFile);
   	 	BufferedInputStream inBuff=new BufferedInputStream(input);
    		// ½ļл
		FileOutputStream output = new FileOutputStream(targetFile);
		BufferedOutputStream outBuff=new BufferedOutputStream(output);
		// 
		byte[] b = new byte[1024 * 5];
		int len;
		while ((len =inBuff.read(b)) != -1) {
			outBuff.write(b, 0, len);
		}
		outBuff.flush();		// ˢ´˻
		inBuff.close();	//ر
		outBuff.close();
		output.close();
		input.close();
    }
    // ļ
	public static void copyDirectiory(String sourceDir, String targetDir)
			throws IOException {
		(new File(targetDir)).mkdirs();        // ½ĿĿ¼
		// ȡԴļеǰµļĿ¼
		File[] file = (new File(sourceDir)).listFiles();
		for (int i = 0; i < file.length; i++) {
			if (file[i].isFile()) {
				File sourceFile=file[i]; 				// Դļ
				// Ŀļ
				File targetFile=new File(new File(targetDir).getAbsolutePath()
+File.separator+file[i].getName());
				copyFile(sourceFile,targetFile);
			}
			if (file[i].isDirectory()) {
				// ׼ƵԴļ
				String dir1=sourceDir + "/" + file[i].getName();
				// ׼ƵĿļ
				String dir2=targetDir + "/"+ file[i].getName();
				copyDirectiory(dir1, dir2);
			}
		}
	}
}
