单元号:        2 ------------------------------------   1
       0.00       0.000    -128.584       0.000
       0.33       0.000    -128.584     -41.790
       0.65       0.000    -128.584     -83.580   2
       0.00       0.000    -154.301       0.000
       0.33       0.000    -154.301     -50.148
       0.65       0.000    -154.301    -100.296
 单元号:        3 ------------------------------------   1
       0.00       0.000    -128.584       0.000
       0.33       0.000    -128.584     -41.790
       0.65       0.000    -128.584     -83.580   2
       0.00       0.000    -154.301       0.000
       0.33       0.000    -154.301     -50.148
       0.65       0.000    -154.301    -100.296想把上边的数据变成
      0.000
      -47.790
      -83.580
      0.000
      -47.790
      -83.580
并写入倒excel中,写到txt也可以,同样求c++的方法