MySQL的连接

import pymysql
from pymysql.err import OperationalError
import os
import configparser

base_dir = os.path.dirname(os.path.dirname(__file__))
file_path = os.path.join(base_dir,'db_config.ini')

conf = configparser.ConfigParser()
conf.read(file_path)

host = conf.get('mysqlconf','host')
port = conf.get('mysqlconf','port')
db = conf.get('mysqlconf','db_name')
user = conf.get('mysqlconf','user')
password = conf.get('mysqlconf','password')

class DB:

	def __init__(self):
		try:
			# 连接数据库
			self.conn = pymysql.connect(host=host,
			                       user=user,
			                       password=password,
			                       db=db
			                       )
		except OperationalError as e:
			print("Mysql Error %d:%s" % (e.args[0],e.args[1]))

	# 关闭数据库连接
	def close(self):
		self.conn.close()