基于Python编写一个简单的摇号系统

import json  
  
def read_data(file_path):  
    """  
    从文件中读取用户数据，返回用户列表。  
    用户数据格式为JSON，每个用户包含id和name字段。  
    """  
    try:  
        with open(file_path, 'r', encoding='utf-8') as file:  
            data = json.load(file)  
            users = [{'id': user['id'], 'name': user['name']} for user in data]  
        return users  
    except FileNotFoundError:  
        print(f"文件{file_path}未找到")  
        return []  
    except json.JSONDecodeError:  
        print(f"文件{file_path}不是有效的JSON格式")  
        return []

import random  
  
def random_lottery(users, num_winners):  
    """  
    对用户列表进行随机摇号，返回中签用户列表。  
      
    :param users: 用户列表  
    :param num_winners: 中签用户数量  
    :return: 中签用户列表  
    """  
    if num_winners > len(users):  
        print("中签用户数量不能超过总用户数")  
        return []  
      
    winners = random.sample(users, num_winners)  
    return winners

def save_results(winners, result_file_path):  
    """  
    将中签用户列表保存到文件中。  
      
    :param winners: 中签用户列表  
    :param result_file_path: 结果文件路径  
    """  
    with open(result_file_path, 'w', encoding='utf-8') as file:  
        json.dump(winners, file, ensure_ascii=False, indent=4)  
    print(f"摇号结果已保存到{result_file_path}")

def query_results(winners, user_id):  
    """  
    查询用户是否中签。  
      
    :param winners: 中签用户列表  
    :param user_id: 用户ID  
    :return: 是否中签(True/False)  
    """  
    for winner in winners:  
        if winner['id'] == user_id:  
            return True  
    return False

def main():  
    # 用户数据文件路径  
    data_file_path = 'users.json'  
    # 结果文件路径  
    result_file_path = 'lottery_results.json'  
    # 中签用户数量  
    num_winners = 5  
      
    # 读取用户数据  
    users = read_data(data_file_path)  
    if not users:  
        print("无用户数据,请检查数据文件")  
        return  
      
    # 随机摇号  
    winners = random_lottery(users, num_winners)  
    print("中签用户:")  
    for winner in winners:  
        print(f"ID: {winner['id']}, 姓名: {winner['name']}")  
      
    # 保存结果  
    save_results(winners, result_file_path)  
      
    # 查询示例（查询用户ID为123的用户是否中签）  
    query_id = '123'  
    if query_results(winners, query_id):  
        print(f"用户ID{query_id}中签")  
    else:  
        print(f"用户ID{query_id}未中签")  
  
if __name__ == "__main__":  
    main()

[  
    {"id": "123", "name": "张三"},  
    {"id": "456", "name": "李四"},  
    {"id": "789", "name": "王五"},  
    ...  
]

[  
    {"id": "456", "name": "李四"},  
    {"id": "789", "name": "王五"},  
    {"id": "101", "name": "赵六"},  
    {"id": "321", "name": "孙七"},  
    {"id": "987", "name": "周八"}  
]