Java字节流读写文件

import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException;

public class ByteCopy {

public static void main(String[] args) { FileInputStream fis=null; FileOutputStream fos=null; try{ fis=new FileInputStream("H:\\电视机高清测试视频短片.avi"); fos=new FileOutputStream("D:\\视频拷贝.avi"); byte[] buffer=new byte[1024]; int read=fis.read(buffer); while(read!=-1){ fos.write(buffer, 0, read); read=fis.read(buffer, 0, read); } System.out.println("拷贝完成"); } catch(FileNotFoundException e){ e.printStackTrace(); } catch(IOException e){ e.printStackTrace(); } finally{ try { fis.close(); fos.close(); } catch (IOException e) { e.printStackTrace(); } } // TODO Auto-generated method stub }

}