python-從redis資料庫中讀資料

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• 讀string，list,set,sort_set,hash類型的資料

import redisclass DataBase:    def __init__(self, host, port):        self.host = host        self.port = port        def read_string(self, key):        try:            r = redis.StrictRedis(host=self.host, port=self.port)            result = r.get(key)            return result        except Exception as exception:            print(exception)                     def read_list(self, key, n):        try:            r = redis.StrictRedis(host=self.host, port=self.port)            if n > r.llen(key):                result = r.lrange(0, -1)            else:                result = r.lrange(key, 0, n)                            return result        except Exception as exception:            print(exception)         def read_set(self, key):        try:            r = redis.StrictRedis(host=self.host, port=self.port)            result = r.smembers(key)            return result        except Exception as exception:            print(exception)            def read_hash(self, key):        try:            r = redis.StrictRedis(host=self.host, port=self.port)            result = r.hgetall(key)            return result        except Exception as exception:            print(exception)        def read_sort_set(self, key, n):        try:            r = redis.StrictRedis(host=self.host, port=self.port)            if n > r.zcard(key):                result = r.zrange(0, -1)            else:                result = r.zrange(0, n)            return result        except Exception as exception:            print(exception)

python-從redis資料庫中讀資料