python 多线程示例

python 多线程示例

import queue
import time
import threading
import threading
from datetime import datetime

# 创建一个线程安全的队列
q = queue.Queue()


def print_thread_id():
    thread_id = threading.current_thread().ident
    print(f"Current thread ID: {thread_id}")

# 生产者线程函数，往队列中放入数据
def producer(y):
    for i in range(10):
        data = f"Data {y}:{i}"
        q.put(data)
        print("Produced", data)

# 消费者线程函数，从队列中获取数据
def consumer():
    while True:
        data = q.get()
        time.sleep(1)
        if q.empty():
            now = datetime.now()
            formatted_time = now.strftime("%Y-%m-%d %H:%M:%S")
            print(formatted_time)
            break
        thread_id = threading.current_thread().ident
        print("Consumed", data, thread_id)
        q.task_done()



def ping_threading():
    threads = []
    for i in range(10):
        thread = threading.Thread(target=consumer)
        thread.start()
        threads.append(thread)
    for thread in threads:
        thread.join()

## 生产消息
for i in range(5):
    producer(i)


ping_threading()
print("END")