加上encoding='gb18030
order=pd.read_csv('F:/data/4/meal_order_info.csv',encoding='gb18030')
加上encoding='gb18030
order=pd.read_csv('F:/data/4/meal_order_info.csv',encoding='gb18030')
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta