图书管理系统流程图代码
时间: 2024-06-23 10:00:54 浏览: 12
图书管理系统流程图通常会展示从用户借阅、归还图书,到管理员添加、更新图书,以及查询和统计等功能的操作步骤。以下是一个简化版的图书管理系统流程图代码示例,使用的是流程图语言(如UML或活动图):
```mermaid
sequenceDiagram
participant User
participant Librarian
participant System
User->>System: Login
alt Successful Login
System->>User: Welcome, show Catalog
User->>System: Search Book
System->>Librarian: Request Book Info
Librarian->>System: Provide Book Info
System->>User: Display Book Details
User->>System: Borrow Book
System->>Librarian: Update Borrow Record
else Failed Login
System->>User: Incorrect credentials, try again
end
alt Book Returned
User->>System: Return Book
System->>Librarian: Update Return Record
else Extend Loan
User->>System: Request Book Extension
Librarian->>System: Approve/Reject Extension
System->>User: Notify Result
end
Librarian->>System: Add/Update Books
Librarian->>System: Manage Inventory
System->>Librarian: Generate Reports
System->>User: Logout
```
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