The api of redis is a pre-defined command of redis.
API (Application Programming Interface, Application Programming Interface) is some predefined functions, or refers to the convention for connecting different components of the software system. The purpose is to provide applications and developers with the ability to access a set of routines based on a piece of software or hardware without having to access the source code or understand the details of the inner workings.
The redis api is divided into six parts:
[keys command operation](#一keys related commands)
[String data operation](#二string data type Operation)
[Hash data operation](#Three hash related operations)
[List data operation](#Four list related operations)
[Set data operation ](#五setrelated operations)
[zSet data operation](#六zset data type operation).
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