process_reslut = pd.read_sql_query(process_sql, gjcsdb, params=params)
json_process=process_reslut.to_json(orient="records", force_ascii=False)
after_reslut = pd.read_json(json_process)
为了处理只能再次改为
after_reslut = pd.read_json(json_process,dtype=True)
after_reslut['create_date_time']=after_reslut['create_date_time'].apply(lambda x: x.strftime("%H:%M:%S"))