FromExpiration returns the expiration time from the context.

FromKey returns the key from the context.

FromTag returns the tag from the context.

NewExpiration creates a new context with the given expiration time.

NewKey creates a new context with the given key.

NewMemory memory模式.

NewRedis redis模式.

NewTag creates a new context with the given tag.

NewVerifyCode create a new verify code.

WithQueryCacheDuration 设置缓存时间.

WithQueryCacheKeys 设置缓存key.

WithQueryCachePrefix 设置缓存前缀.

Redis cache implement.