Python__classmethod与staticmethod

# import settings
#
# class MySql:
# def __init__(self,host,port):
# self.host=host
# self.port=port
#
# @classmethod
# def from_conf(cls):
# print(cls)
# # return cls(settings.HOST,settings.PORT)
#
# def func1(self):pass
#
#
# conn1=MySql('127.0.0.1',3306)

# print(MySql.from_conf)
# conn2=MySql.from_conf()

# print(conn1.host,conn2.host)

# print(conn1.func1)
# print(conn1.from_conf)
# print(MySql.from_conf)

# conn1.from_conf()
# MySql.from_conf()

import settings
import uuid
class MySql:
def __init__(self,host,port):
self.host=host
self.port=port
self.id=self.create_id()

# @classmethod
# def from_conf(cls): #绑定给类的
# print(cls)
# # return cls(settings.HOST,settings.PORT)
#
# def func1(self): #绑定给对象的
# pass

@staticmethod
def create_id(): #非绑定方法
return str(uuid.uuid1())

conn1=MySql('127.0.0.1',3306)
conn2=MySql('127.0.0.2',3306)
conn3=MySql('127.0.0.3',3306)
# print(MySql.create_id)
# print(conn1.create_id)

print(conn1.id,conn2.id,conn3.id)

HOST='192.168.31.1'
PORT=3106