run_cli.py

import sys
import os
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

from database import DatabaseConnection
from dao import BookDAO, PurchaseDAO, EliminationDAO, BorrowingDAO, InventoryDAO
from services import BookService, QueryService, StatisticsService
from ui import CLIInterface

def main():
    """主程序入口"""
    try:
        # 初始化数据库连接
        db = DatabaseConnection('library.db')
        db.initialize_database()
        
        # 初始化DAO层
        book_dao = BookDAO(db)
        purchase_dao = PurchaseDAO(db)
        elimination_dao = EliminationDAO(db)
        borrowing_dao = BorrowingDAO(db)
        inventory_dao = InventoryDAO(db)
        
        # 初始化服务层
        book_service = BookService(db, book_dao, purchase_dao, elimination_dao, 
                                 borrowing_dao, inventory_dao)
        query_service = QueryService(book_dao, purchase_dao, elimination_dao, 
                                   borrowing_dao, inventory_dao)
        stats_service = StatisticsService(book_dao, purchase_dao, elimination_dao,
                                        borrowing_dao, inventory_dao)
        
        # 初始化UI
        ui = CLIInterface(book_service, query_service, stats_service)
        
        # 启动主界面
        ui.show_main_menu()
        
    except KeyboardInterrupt:
        print("\n\n程序被用户中断")
    except Exception as e:
        print(f"\n程序运行出错: {e}")
        import traceback
        traceback.print_exc()
    finally:
        if 'db' in locals():
            db.close_connection()

if __name__ == "__main__":
    main()