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@startuml rbac
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class User {
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    Long id
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    String nickname
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    String username
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    String password
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    String email
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    String remark
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    Boolean isActive
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    timestamptz createdAt
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    timestamptz updatedAt
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}
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class Role {
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    Long id
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    String code
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    String name
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    String description
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    timestamptz createdAt
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    timestamptz updatedAt
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}
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class Permission {
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    Long id
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    String code
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    String name
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    String description
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    timestamptz createdAt
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    timestamptz updatedAt
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}
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note right of Permission::"String code"
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    权限的唯一标识符
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    - order:read
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    - order:write
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end note
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class UserRole {
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    Long id
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    Long userId
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    Long roleId
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    timestamptz createdAt
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    timestamptz updatedAt
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}
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class RolePermission {
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    Long id
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    Long roleId
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    Long permissionId
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    timestamptz createdAt
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    timestamptz updatedAt
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}
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User ---> UserRole : "userId"
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UserRole ---> Role : "roleId"
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Role ---> RolePermission : "roleId"
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RolePermission ---> Permission : "permissionId"
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@enduml