python简单封装Redis

import redis

class MyRedisHelper():
def init(self,host='localhost',port=6379,password=None,db=0):
self.host = host
self.port = port
self.password = password
self.db = db
self.__redis = redis.StrictRedis(host,port,password,db)

def set(self,key,value):
return self.__redis.set(key,value)

def get(self,key):
if self.__redis.exists(key):
return self.__redis.get(key)
else:
return None