@startuml
actor user as "用户"
participant f as "前端"
participant c as "Contorller"
participant s as "Service"
participant r as "TeacherRepsotory"
participant e as "TeacherEntity"
user --> f: 切换教师管理页面
f --> c: request
c --> s: getAllTeachers
s --> r: findAll
r --> e: new
e --> r: entities
r --> c: entities
c --> f: response
f --> user: 展示给用户
user --> f: 点击教师条目并修改
f --> c: request
c --> s: entity
s --> r: save
r --> s: entity
s --> c
c --> f: response
f --> user: 成功消息
@enduml
