测试4

def __init__(self):
        # 获取setting主机名 端口号和数据库名
        self.host = settings[‘MySQL_HOST‘]
        self.port = settings[‘MySQL_PORT‘]
        self.dbname = settings[‘MySQL_DBNAME‘]
        self.conn = MySQLdb.connect(host=‘localhost‘, port=3306, db=‘douban‘, user=‘root‘, passwd=‘root‘,charset=‘utf8‘)
        self.cur = self.conn.cursor()