def _init_connect(self):
'初始化连接'
try:
self._conn = PooledDB.connect(**self._config)
self._cursor = self._conn.cursor()
except Exception as e:
logging.error(e)
def _init_connect(self):
"""初始化连接"""
try:
self.__conn = PooledDB.connect(**self._config)
self.__cursor = self.__conn.cursor()
except Exception as e:
logging.error(e)
if self.__conn is None:
raise ValueError("Failed to initialize connection.")
def __init__(self):
# 初始化数据库连接
self.__config = dict({
"host": self.__host,
"port": self.__port,
"user": self.__user,
"password": self.__password,
"db": self.__db,
"charset": self.__charset,
"cursorclass": self.__cursorclass
})
try:
self.__conn = PooledDB.connect(creator=pymysql, **self.__config)
self.__cursor = self.__conn.cursor()
except pymysql.err.OperationalError as e:
print("Mysql Error %d: %s" % (e.args[0], e.args[1]))
def __init_connect(self):
'初始化连接'
self.__conn = PooledDB.connect(**self.__config)
self.__cursor = self.__conn.cursor()