15 lines
361 B
Python
15 lines
361 B
Python
|
|
||
|
|
|
||
|
|
class DbSingleton():
|
||
|
|
def __init__(self, host, port, username, password):
|
||
|
|
self.host = host
|
||
|
|
self.port = port
|
||
|
|
self.username = username
|
||
|
|
self.password = password
|
||
|
|
self.pool = None # 连接池
|
||
|
|
|
||
|
|
def connect(self):
|
||
|
|
print("建立连接")
|
||
|
|
|
||
|
|
|
||
|
|
db_singleton = DbSingleton('host', 'port', 'username', 'password')
|