| Modulename | Functional description | Class ID | | Model1 | Responsible for the audit and management of announcements. Browse the pending announcement, delete the illegal announcement. | 1,2,3,4,5,20,22,24,27,31 | | Model 2 | After the announcement, additional comments can be made. Responsible for review management. | 3,4,5,6,7,8,9,19,20,22,24,25,27,29,31 | | Model 3 | Responsible for user management. Including user registration, delete, modify user information, query all. | 4,10,11,12,13,14,,20,21,23,24,26,28,30,32 | | Model 4 | Responsible for issuing, editing and auditing announcements. | 2,3,4,5,16,17,18,,,20,22,24,31 |
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