05-Python操作Redis

安装库

pip install redis

连接

r = redis.StrictRedis(host='localhost',port=6379,db=0)

操作

字符串相关操作

import redis
class TestString(object):
    def __init__(self):
        self.r = redis.StrictRedis(host='localhost', port=6379)
        print(self.r)
    # 设置值
    def test_set(self):
        res = self.r.set('user1', 'juran-1')
        print(res)
    # 取值
    def test_get(self):
        res = self.r.get('user1')
        print(res)
    # 设置多个值
    def test_mset(self):
        d = {'user2': 'juran-2', 'user3': 'juran-3'}
        res = self.r.mset(d)
    # 取多个值
    def test_mget(self):
        l = ['user2', 'user3']
        res = self.r.mget(l)
        print(res)
    # 删除
    def test_del(self):
        self.r.delete('user2')

列表相关操作

import redis
class TestList(object):
    def __init__(self):
        self.r = redis.StrictRedis(host='localhost', port=6379)
    # 插入记录
    def test_push(self):
        res = self.r.lpush('common', '1')
        res = self.r.rpush('common', '2')
        # res = self.r.rpush('jr', '123')
    # 弹出记录
    def test_pop(self):
        res = self.r.lpop('common')
        res = self.r.rpop('common')
    # 范围取值
    def test_range(self):
        res = self.r.lrange('common', 0, -1)
        print(res)

集合相关操作

import redis
class TestList(object):
    def __init__(self):
        self.r = redis.StrictRedis(host='localhost', port=6379)
    # 添加数据
    def test_sadd(self):
        res = self.r.sadd('set01', '1', '2')
        lis = ['Cat', 'Dog']
        res = self.r.sadd('set02', lis)
    # 删除数据
    def test_del(self):
        res = self.r.srem('set01', 1)
    # 随机删除数据
    def test_pop(self):
        res = self.r.spop('set02')

哈希相关操作

import redis
class TestList(object):
    def __init__(self):
        self.r = redis.StrictRedis(host='localhost', port=6379)
    # 批量设值
    def test_hset(self):
        dic = {'id': 1, 'name': 'huawei'}
        res = self.r.hmset('mobile', dic)
    # 批量取值
    def test_hgetall(self):
        res = self.r.hgetall('mobile')
    # 判断是否存在 存在返回1 不存在返回0
    def test_hexists(self):
        res = self.r.hexists('mobile', 'id')
        print(res)