分布式消息队列限时秒杀

import pika
import time

connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()

channel.queue_declare(queue='seckill_queue')

def send_message(product_id, user_id):
    message = f"Product {product_id} purchased by User {user_id}"
    channel.basic_publish(exchange='',
                          routing_key='seckill_queue',
                          body=message)
    print(f" [x] Sent {message}")

# 模拟秒杀场景
for i in range(100):
    send_message(1, i)
    time.sleep(0.1)

connection.close()

import pika

connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()

channel.queue_declare(queue='seckill_queue')

def callback(ch, method, properties, body):
    print(f" [x] Received {body}")
    # 处理订单逻辑
    ch.basic_ack(delivery_tag=method.delivery_tag)

channel.basic_qos(prefetch_count=1)
channel.basic_consume(queue='seckill_queue', on_message_callback=callback)

print(' [*] Waiting for messages. To exit press CTRL+C')
channel.start_consuming()