如下所示：
# -*- coding:utf-8 -*-
# auth:ckf
# date:20170703
import pandas as pd
import cStringIO
import warnings
from sqlalchemy import create_engine
import sys
reload(sys)
sys.setdefaultencoding('utf8')
warnings.filterwarnings('ignore')
engine = create_engine(
'postgresql+psycopg2://'数据库连接)
filename
