Students surfing the Internet UML class diagram
2024-10-22 16:20:57 1 Report
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Outline/Content
View recharge records
Work record query
registration
Student Basic Information Maintenance
Modify the password
recharge
Query the amount to be collected
Checkout
General user
+Name+Level+ID
+ Check student balance ()+ Check computer access record ()+ Check computer access status ()+ Check recharge record ()+ Change password ()
Check the balance
Administrator
Add user (+)Delete user (+)Check out (+)Basic data settings (+)View on-duty teachers (+)View bill (+)
+ On the machine ().
Check the login records
Return card
Add user
Card
Student ID: Name:Card Number:Balance:
Delete user
Check the online status
bill
operator
+Register()+Recharge()+Return card()+Amount collected()+Student basic information maintenance()+Work record query()
Collect
Collect
Collect
Collect
Collect
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