把mp3分成n份之后合并

来源：互联网发布：cad数控编程软件编辑：程序博客网时间：2024/05/16 04:51
package cn.cm.conse;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.SequenceInputStream;import java.util.Enumeration;import java.util.Vector;//切割mp3成三份，之后合并public class Demo01 {    public static void main(String[] args) throws IOException {        // TODO Auto-generated method stub        method();        stx();    }    public static void method() throws FileNotFoundException, IOException {//分割为3份mp3        File file=new File("E:\\CloudMusic\\123.mp3");        FileInputStream input=new FileInputStream(file);        byte[] b=new byte[1024*1024];        int length=0;        File files=new File("E:\\music");        for(int i=0;((length=input.read(b))!=-1);i++){            File fi=new File(files,i+".mp3");            FileOutputStream filed=new FileOutputStream(fi);            filed.write(b, 0, length);            filed.close();        }        input.close();    }    public static void stx() throws IOException{        File dir=new File("E:\\music");        Vector<FileInputStream> vector=new Vector<FileInputStream>();        File file[]=dir.listFiles();        for(File fi:file){            if(fi.getName().endsWith(".mp3")){//别忘了mp3后有两个括号                vector.add(new FileInputStream(fi));            } }        Enumeration<FileInputStream> e=vector.elements();        SequenceInputStream input=new SequenceInputStream(e);        FileOutputStream out=new FileOutputStream("F:\\");        byte[] b=new byte[1024];         int length=0;        while((length=input.read(b))!=-1){            out.write(b,0,length);        }        out.close();        input.close();}}
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