java多个文件压缩下载

public static void zipFiles(File[] srcfile,ServletOutputStream sos){

    byte[] buf=new byte[1024];

    try {

        //ZipOutputStream类：完成文件或文件夹的压缩

        ZipOutputStream out=new ZipOutputStream(sos);

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

            FileInputStream in=new FileInputStream(srcfile[i]);

            out.putNextEntry(new ZipEntry(srcfile[i].getName()));

            int len;

            while((len=in.read(buf))>0){

                out.write(buf,0,len);

            }

            out.closeEntry();

            in.close();

        }

        out.close();

        System.out.println("压缩完成.");

    } catch (Exception e) {

        e.printStackTrace();

    }

}