复制二进制文件(图片、音频、视频)

package com.hfxt;

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

//复制图片、音频
public class Copy {

public static void main(String[] args) {
FileInputStream fis = null;
DataInputStream dis = null;
FileOutputStream fos = null;
DataOutputStream dos = null;
try {
fis = new FileInputStream("F:/video/绝地逃亡.国内版.HD1280高清国英双语中英双字.mp4");
dis = new DataInputStream(fis);

fos = new FileOutputStream("F:/fangchen/Music/绝地逃亡.mp4");
dos = new DataOutputStream(fos);
int len = -1;
while((len=dis.read())!=-1){
dos.write(len);
}
System.out.println("文件复制成功!");
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
dos.close();
fos.close();
dis.close();
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}