dtype = np.dtype(dtype)ifissubclass(arr.dtype.type, np.datetime64):ifdtype == object:returntslib.ints_to_pydatetime(arr.view(np.int64))elifnp.issubdtype(arr.dtype, np.floating)andnp.issubdtype(dtype, np.integer):ifnp.isnan(arr).any():raiseValueError("Cannot convert NA to integer")e...
pandas.to_datetime(arg, errors='raise', dayfirst=False, yearfirst=False, utc=None, box=True, format=None, exact=True, unit=None, infer_datetime_format=False, origin='unix', cache=True)[source] 将参数转换为datetime。 参数: arg:integer,float,string,datetime, list,tuple,1-d array(一维数组...