单级文件夹的复制

package JB2015;

import java.io.*;


public class JDG {
    public static void main(String[] args) throws IOException {
        File  file=new File("D:\jdg");//源文件
        
        String filename= file.getName();//获得源文件夹的名字

        File file1=new File("D:\jdg1",filename);
        //目的文件夹

         if (!file1.exists()){
             file1.mkdir();//判断目的文件夹是否存在，不存在就创建一个
         }

         File [] listFiles=file.listFiles(); //获取源文件夹的全部文件
        for (File fi:listFiles
             ) {
            String finame=fi.getName(); //获取源文件夹的文件的名字

            File destname=new File(file1,finame);
            copy(file,file1);//复制文件
        }
    }

    private static void copy(File file, File file1) throws IOException {
        BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(file));
        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(file1));

        byte[] bytes = new byte[1024];
        int len;
        while ((len = bufferedInputStream.read(bytes)) != -1) {
            bufferedOutputStream.write(bytes, 0, len);
        }
        bufferedInputStream.close();
        bufferedOutputStream.close();
    }

}