UML Drawing-room charge (i)

Use case diagram:

Class Diagram:

Of the three users in this class diagram, Generaluser, Opreator, and administrator all operate on the student-owned card.

Up/Down activity diagram

Timing Diagram:

After drawing the sequence diagram, press F5 to generate the collaboration diagram.

State diagram:

Component diagram:

Deployment diagram:

This is the computer room UML drawing, painting a few pictures, although now some of the diagram is not very clear, I believe in the future will learn.

UML Drawing-room charge (i)