import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.Properties;public class FileSpilte { /** * @param args * @throws IOException */ /* * 文件分割器, * 一个读取流,相应多个输出流。并且生成的碎片文件都有有序的编号 */ public static void main(String[] args) throws IOException { File destdir = new File("teampFile\\filepart"); File file = new File("E:\\A-Lin - 给我一个理由忘记.mp3"); fileSplite(file,destdir); } private static void fileSplite(File file, File destdir) throws IOException { if(!file.exists()){ throw new RuntimeException(destdir+"文件不存在"); } if(!destdir.exists()) { destdir.mkdirs(); } FileInputStream fis = new FileInputStream(file); FileOutputStream fos = null; byte[] buf =new byte[1024*1024]; int count = 0; int len = 0; while((len=fis.read(buf))!=-1){ File partfile = new File(destdir,(++count)+".part"); fos = new FileOutputStream(partfile); fos.write(buf,0,len); fos.close(); } Properties prop =new Properties(); prop.setProperty("partcount",Integer.toString(count)); prop.setProperty("filename", file.getName()); File profile = new File(destdir,(++count)+".properties"); fos=new FileOutputStream(profile); prop.store(fos, "save"); fos.close(); }}