db_connection.py 文件源码

def __init__(self):
        self.params = get_params()
        self.conn = pymysql.connect(
            host=self.params.host,
            user=self.params.username, password=self.params.password,
            db='ceredron', charset='utf8mb4',
            cursorclass=pymysql.cursors.DictCursor)