text: # -*-coding:utf8-*- 
  #     create by : JiangYangJie             
  #     email     : JiangYangJie@126.com     
  #     filename  : __init__.py   
  #     data      : 2019/11/18
  from sqlalchemy import create_engine
  from sqlalchemy.ext.declarative import declarative_base
  from .models import second_hand
  
  engine=create_engine('mysql+mysqlconnector://root:admin@127.0.0.1:3306/HousePrice?charset=utf8mb4')
  Base = declarative_base()
  