如果我往数据库中插入数字 1， 插入的结果是：“1”还是 1？ 当用incr 是把“1”转成数字之后累加，还是直接去加？
应该是String，Redis中没有整形和float类型。Redis都会将其作为String来处理，Redis官方给出的回答“Redis doesnot have a dedicated integer type. The string stored at the key is interpreted as a base-10 64 bit signed integer to execute the operation. ”