用例图
2022-09-25 21:42:43 0 举报ooad as1 A
作者其他创作
大纲/内容
get travel historys
<<include>>
Administrator
query the risk level
query all information
copy the results
risk system
obtain Wechat ID
generate images
display risk level
modify risk zones
log in
<<extend>>
notifiy the chanages
display risk level of queried location
User
risk system
view subscribed districts
obtain Address Info
subscribe current district
obtain Info
obtain mobile phone number
display risk level of current location
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