账号风险检测限时秒杀

import time
from threading import Lock

class SeckillSystem:
    def __init__(self, stock):
        self.stock = stock
        self.lock = Lock()

    def check_risk(self, user_id):
        # 模拟风险检测逻辑
        print(f"Checking risk for user {user_id}...")
        time.sleep(0.1)  # 模拟耗时操作
        return True  # 假设检测通过

    def seckill(self, user_id):
        if self.check_risk(user_id):
            with self.lock:
                if self.stock > 0:
                    self.stock -= 1
                    print(f"User {user_id} successfully秒杀！剩余库存: {self.stock}")
                else:
                    print("秒杀失败，库存不足！")
        else:
            print(f"User {user_id} 风险检测未通过，秒杀失败！")

# 示例使用
seckill_system = SeckillSystem(stock=10)
for i in range(15):
    seckill_system.seckill(user_id=i)