Permission Control System

Table of Contents

1. Introduction
2. Permission Model Design
3. Permission Verification Mechanism
4. Permission Directive Implementation
5. RBAC Policy Configuration
6. Backend Permission API Integration
7. Permission Cache Update Strategy
8. Conclusion

Introduction

This document details the implementation of a permission control system based on the src/libs/Permission module. The system performs access control through user roles (UserInfo) and route metadata, supporting page-level and button-level permission verification. The document will deeply analyze permission judgment logic, implementation mechanisms, and integration methods with backend APIs.

Section sources

• Permission.ts

Permission Model Design

Diagram sources

• Permission.d.ts

Section sources

• Permission.d.ts

Permission Verification Mechanism

The permission verification system implements fine-grained access control, including page-level and button-level two layers. The system initializes permissions through the usePermission function and dynamically sets accessible permission codes based on user role information.

Diagram sources

• Permission.ts

Section sources

• Permission.ts

Permission Directive Implementation

The system provides the v-permission directive for button-level permission control, determining whether to allow operation execution by listening to click events and performing permission verification.

Diagram sources

• Permission.ts

Section sources

• Permission.ts
• permission.js

RBAC Policy Configuration

Role-Based Access Control (RBAC) policy is configured through the permissionMap parameter, allowing developers to define required permission codes and corresponding names for components.

Diagram sources

• Permission.ts

Section sources

• Permission.ts

Backend Permission API Integration

The permission system integrates with backend APIs, obtaining user permission information through sdk. In development environment, mock data is used, while in production environment, real permission data is obtained from backend.

Diagram sources

• Permission.ts
• router.ts

Section sources

• Permission.ts
• router.ts

Permission Cache Update Strategy

The system implements a dynamic update mechanism for permission caching, cleaning related permissions when components are unmounted, ensuring accuracy of permission states and effective memory management.

Diagram sources

• Permission.ts

Section sources

• Permission.ts

Conclusion

This permission control system implements a flexible access control mechanism through modular design. The system supports fine-grained permission management, including page-level and button-level control, and implements seamless integration through v-permission directive and route configuration. Permission data is obtained from backend and efficiently cached in frontend, ensuring system security and performance. The overall design follows the RBAC model, making it easy to extend and maintain.