redis的工具封装

import redis
class MyRedis:
    def __init__(self,host,password,port,db):
        self.host = host
        self.password = password
        self.port = port
        self.db = db
        self.__redis = self.execute_redis()

    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
    def execute_redis(self,decode_responses=True):
        r = redis.Redis(host=self.host, password=self.password, port=self.port, db=self.db, decode_responses=decode_responses)
        return r

if __name__ == '__main__':
    redis_info = {  "host":"118.24.3.140",
                    "password":"HK139bc&",
                    "port":6379,
                    "db":14,
                    "decode_responses":True   #0-15
                    }
    r = MyRedis(redis_info.get("host"),redis_info.get("password"),redis_info.get("port"),redis_info.get("db"))
    print(r.get("hhh"))


===============================================================================================================

import redis
class redisUtil:
    def __init__(self, host, password, port, db, decode_responses=True):
        self.__host = host
        self.__password = password
        self.__port = port
        self.__db = db
        self.__decode_responses = decode_responses
        self.__r = self.get_r()

    def get_r(self):  # 建立redis连接
        return redis.Redis(host=self.__host,
                           password=self.__password,
                           port=self.__port,
                           db=self.__db,
                           decode_responses=self.__decode_responses)

    def set_redis(self, key, value, exp):  # 封装了set方法
        self.__r.set(key, value, exp)

    def hset_redis(self, name, key, value):  # 封装了hash set方法
        self.__r.hset(name, key, value)

    def get_redis(self, key):  # 封装了get 方法
        if self.__r.type(key) == 'string':
            data = self.__r.get(key)
            if type(data) == "bytes":
                return data.decode()
            else:
                return data
        elif self.__r.type(key) == "hash":
            return self.__r.hgetall(key)

    def hget_redis(self, name, key):  # 封装了hash get value方法
        return self.__r.hget(name, key)

    def exists_redis(self, key):  # 封装了判断key是否存在方法
        return self.__r.exists(key)

    def type_redis(self, key):  # 封装了判断key的类型方法
        return self.__r.type(key)

    def set_exp_redis(self, key, exp):  # 封装了设置key的过期时间方法
        self.__r.expire(key, exp)

    def flushdb_redis(self):  # 只清空当前数据库的数据
        self.__r.flushdb()

    def __del__(self):  # 封装了关闭redis连接的方法
        self.__r.close()


r = redisUtil("118.24.3.140", "HK139bc*", 6379, 0, True)
r.set_redis('my', '123456', 10)
print(r.get_redis('my'))

r.hset_redis('dic', 'name', 'xiaoming')
r.hset_redis('dic', 'age', 5)
print(r.hget_redis('dic', 'age'))
print(r.get_redis('dic'))