Ask the superior to explain the train of thought
I want to do a part-time management system. For example, I received a single push from a merchant, such as promoting an app. Now I want to design a function that can track the effect of part-time employees. See how many downloads have been promoted in his hand, inside.
Many promotion personnel need to accurately count app downloads promoted by part-time promotion personnel
Each promoter has a different two-dimensional code, and a token parameter is added to the two-dimensional code to correspond to that promoter. Record token every time you download