怎樣用JAVA流來分割壹個mp3文件代碼

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.nio.Buffer;

import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

public class mp3 {

public static void cutMusic() throws IOException{

File file=new File("E:\\薛之謙 - 那是妳離開了北京的生活.flac");

File file2=new File("E:\\music");

FileInputStream fis =new FileInputStream(file);

FileOutputStream fos=null;

//if(file2.exists()!=true) {

// file2.mkdirs();

//}

int len=0;

int x=0;

int y=1020*1024;

byte [] one=new byte[y];

if(file.length()%y!=0) {

x=(int)(file.length()/y+1);

}else if(file.length()%y==0) {

x=(int)(file.length()/y);

}

for(int i=1;i<=x;i++) {

len=fis.read(one);

fos=new FileOutputStream (new File(file2,i+".flac"));

fos.write(one,0,len);

}

fis.close();

fos.close();

}

public static void mergeMusic()throws IOException{

File file=new File("E:\\merge.flac");

File file2=new File("E:\\music");

// if(file.exists()!=true) {

// file.createNewFile();

// }

File[]f=file2.listFiles();

FileInputStream fis=null;

FileOutputStream fos=new FileOutputStream(file);

BufferedOutputStream bos =new BufferedOutputStream(fos,1024*1024);

int len=0;

for(int i=0;i<f.length;i++) {

fis =new FileInputStream(f[i]);

BufferedInputStream bis =new BufferedInputStream(fis,1024*1024);

while((len=bis.read())!=-1) {

bos.write(len);

}

fos.flush();

fis.close();

}

bos.close();

fos.close();

}

public static void main(String[] args) throws IOException{

cutMusic();

mergeMusic();

// TODO Auto-generated method stub

}

}