RedisTemplate实例

@Component
public class RedisUtils
{
    /**
     * 日志
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(RedisUtils.class);

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * <写入缓存>
     *
     * @param key   key
     * @param value value
     * @return 写入是否成功
     * @throws
     */
    public boolean set(String key, Object value)
    {
        boolean result = false;
        try
        {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        }
        catch (Exception e)
        {
            LOGGER.error("", e);
        }
        return result;
    }

    /**
     * <写入缓存设置时效时间>
     *
     * @param key        key
     * @param value      value
     * @param expireTime expireTime
     * @return 写入是否成功
     * @throws
     */
    public boolean set(String key, Object value, Long expireTime)
    {
        boolean result = false;
        try
        {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
            result = true;
        }
        catch (Exception e)
        {
            LOGGER.error("", e);
        }
        return result;
    }

    /**
     * <获取redis中的所有键值对>
     *
     * @return 结果
     * @throws
     */
    public Map<String, Object> getAll()
    {
        Map<String, Object> key2ValueMap = new HashMap<>();
        Set<String> keys = redisTemplate.keys("*");
        if (!CollectionUtils.isEmpty(keys))
        {
            for (String key : keys)
            {
                if (this.exists(key))
                {
                    key2ValueMap.put(key, this.get(key));
                }
            }
        }

        return key2ValueMap;
    }

    /**
     * <删除redis中所有内容>
     *
     * @throws
     */
    public void removeAll()
    {
        try
        {
            Set<String> keys = redisTemplate.keys("*");
            redisTemplate.delete(keys);
        }
        catch (Exception e)
        {
            LOGGER.error("remove catch exception. cause: ", e);
            return;
        }
    }

    /**
     * <批量删除对应的value>
     *
     * @param keys keys
     * @throws
     */
    public void remove(String... keys)
    {
        for (String key : keys)
        {
            remove(key);
        }
    }

    /**
     * <批量删除key>
     *
     * @param pattern pattern
     * @throws
     */
    public void removePattern(String pattern)
    {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0)
        {
            redisTemplate.delete(keys);
        }
    }

    /**
     * <删除对应的value>
     *
     * @param key key
     * @throws
     */
    public void remove(String key)
    {
        if (exists(key))
        {
            redisTemplate.delete(key);
        }
    }

    /**
     * <判断缓存中是否有对应的value>
     *
     * @param key key
     * @return 是否存在
     * @throws
     */
    public boolean exists(String key)
    {
        return redisTemplate.hasKey(key);
    }

    /**
     * <读取缓存>
     *
     * @param key key
     * @return 结果
     * @throws
     */
    public Object get(String key)
    {
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        return operations.get(key);
    }

    /**
     * <哈希添加>
     *
     * @param key     key
     * @param hashKey hashKey
     * @param value   value
     * @throws
     */
    public void hmSet(String key, Object hashKey, Object value)
    {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key, hashKey, value);
    }

    /**
     * <哈希获取数据>
     *
     * @param key     key
     * @param hashKey hashKey
     * @return 结果
     * @throws
     */
    public Object hmGet(String key, Object hashKey)
    {
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        return hash.get(key, hashKey);
    }

    /**
     * <列表添加>
     *
     * @param k k
     * @param v v
     * @throws
     */
    public void lPush(String k, Object v)
    {
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.rightPush(k, v);
    }

    /**
     * <列表获取>
     *
     * @param k  k
     * @param l  l
     * @param l1 l1
     * @return 结果
     * @throws
     */
    public List<Object> lRange(String k, long l, long l1)
    {
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k, l, l1);
    }

    /**
     * <集合添加>
     *
     * @param key   key
     * @param value value
     * @throws
     */
    public void add(String key, Object value)
    {
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key, value);
    }

    /**
     * <集合获取>
     *
     * @param key key
     * @return 结果
     * @throws
     */
    public Set<Object> setMembers(String key)
    {
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * <有序集合添加>
     *
     * @param key    key
     * @param value  value
     * @param scoure scoure
     * @throws
     */
    public void zAdd(String key, Object value, double scoure)
    {
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.add(key, value, scoure);
    }

    /**
     * <有序集合获取>
     *
     * @param key     key
     * @param scoure  scoure
     * @param scoure1 scoure1
     * @return 结果
     * @throws
     */
    public Set<Object> rangeByScore(String key, double scoure, double scoure1)
    {
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }
}

 

来源：https://blog.csdn.net/wangchaox123/article/details/99172042