In complex software systems, we often need to encapsulate requests as objects to support functions such as parameterization, cancellation, and queuing of requests. The Command Pattern provides an elegant solution to this requirement. It is a behavioral design pattern that decouples requests from executors by encapsulating requests as objects. This article will introduce the concept of the Command Pattern, the difference from other similar patterns, the problems it solves, its implementation in Golang, and the precautions in actual development. …