小编Sco*_*ous的帖子

    ifstream ifile("/home/zuma/xps.mp3", ios::binary | ios::in);
    ofstream ofile("/home/zuma/xxx.mp3", ios::binary | ios::out);

    copy(istream_iterator<unsigned char>(ifile), istream_iterator<unsigned char>(), ostream_iterator<unsigned char>(ofile));

    ifile.close();
    ofile.close();

创建的新文件比原始文件的字节数少,文件不匹配