import sqlite3

# 连接到数据库并验证users表结构
def verify_users_table():
    try:
        # 连接数据库
        conn = sqlite3.connect('car_info.db')
        cursor = conn.cursor()
        
        # 检查users表的当前结构
        print("验证users表结构:")
        cursor.execute("PRAGMA table_info(users)")
        columns = cursor.fetchall()
        for column in columns:
            print(f"字段名: {column[1]}, 类型: {column[2]}, 是否可空: {column[3]}")
        
        # 检查admin用户的信息
        print("\n验证admin用户信息:")
        cursor.execute("SELECT id, username, name, phone, department FROM users WHERE username = ?", ('admin',))
        admin_user = cursor.fetchone()
        if admin_user:
            print(f"ID: {admin_user[0]}")
            print(f"用户名: {admin_user[1]}")
            print(f"姓名: {admin_user[2]}")
            print(f"电话: {admin_user[3]}")
            print(f"部门: {admin_user[4]}")
        else:
            print("未找到admin用户")
        
        # 关闭连接
        conn.close()
        print("\n数据库验证完成")
        
    except Exception as e:
        print(f"验证数据库时出错: {str(e)}")
        # 确保在异常情况下也关闭连接
        if 'conn' in locals():
            conn.close()

if __name__ == "__main__":
    verify_users_table()