{"id":1180652,"date":"2025-01-15T18:40:33","date_gmt":"2025-01-15T10:40:33","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1180652.html"},"modified":"2025-01-15T18:40:53","modified_gmt":"2025-01-15T10:40:53","slug":"python%e5%a6%82%e4%bd%95%e7%9b%91%e6%8e%a7%e5%a4%9a%e7%ba%bf%e7%a8%8b%e7%8a%b6%e6%80%81","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1180652.html","title":{"rendered":"python\u5982\u4f55\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001"},"content":{"rendered":"

\"python\u5982\u4f55\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001\"<\/p>\n

Python\u53ef\u4ee5\u901a\u8fc7\u591a\u7ebf\u7a0b\u5e93\u5982threading<\/code>\u548cconcurrent.futures<\/code>\uff0c\u7ed3\u5408\u7ebf\u7a0b\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3001\u7ebf\u7a0b\u6c60\u7ba1\u7406\u5668\u3001\u961f\u5217\u673a\u5236\u7b49\u65b9\u5f0f\u76d1\u63a7\u591a\u7ebf\u7a0b\u7684\u72b6\u6001\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684is_alive()<\/code>\u65b9\u6cd5\u3001\u7ebf\u7a0b\u6c60\u7684as_completed()<\/code>\u65b9\u6cd5\u3001\u7ed3\u5408\u961f\u5217\u673a\u5236\u5b9e\u73b0\u4efb\u52a1\u72b6\u6001\u8ddf\u8e2a\u3002<\/strong><\/p>\n<\/p>\n

\u5176\u4e2d\uff0c\u4f7f\u7528threading<\/code>\u5e93\u7684is_alive()<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u89c1\u4e14\u76f4\u89c2\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u901a\u8fc7is_alive()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u68c0\u67e5\u7ebf\u7a0b\u662f\u5426\u4ecd\u7136\u5728\u8fd0\u884c\uff0c\u4ece\u800c\u76d1\u63a7\u7ebf\u7a0b\u7684\u72b6\u6001\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u5217\u8868\uff0c\u5b9a\u671f\u8f6e\u8be2\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u72b6\u6001\uff0c\u5224\u65ad\u5b83\u4eec\u662f\u5426\u5df2\u7ecf\u7ed3\u675f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528threading<\/code>\u5e93\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001<\/h2>\n<\/p>\n

threading<\/code>\u5e93\u662fPython\u6807\u51c6\u5e93\u4e2d\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u7684\u6a21\u5757\u3002\u901a\u8fc7threading<\/code>\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u521b\u5efa\u7ebf\u7a0b\u5e76\u76d1\u63a7\u5b83\u4eec\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n

1\u3001\u521b\u5efa\u7ebf\u7a0b\u548c\u76d1\u63a7\u72b6\u6001<\/h3>\n<\/p>\n

\u521b\u5efa\u7ebf\u7a0b\u5e76\u76d1\u63a7\u5b83\u4eec\u7684\u72b6\u6001\u662f\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528threading<\/code>\u5e93\u521b\u5efa\u7ebf\u7a0b\u5e76\u76d1\u63a7\u5b83\u4eec\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n

import threading<\/p>\n
import time<\/p>\n
def worker(number):<\/p>\n
    print(f'Thread {number} starting')<\/p>\n
    time.sleep(2)<\/p>\n
    print(f'Thread {number} finished')<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u5217\u8868<\/strong><\/h2>\n
threads = []<\/p>\n
for i in range(5):<\/p>\n
    thread = threading.Thread(target=worker, args=(i,))<\/p>\n
    threads.append(thread)<\/p>\n
    thread.start()<\/p>\n
\u76d1\u63a7\u7ebf\u7a0b\u72b6\u6001<\/strong><\/h2>\n
while threads:<\/p>\n
    for thread in threads:<\/p>\n
        if not thread.is_alive():<\/p>\n
            print(f'Thread {thread.name} has finished')<\/p>\n
            threads.remove(thread)<\/p>\n
    time.sleep(1)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e865\u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6267\u884cworker<\/code>\u51fd\u6570\u3002\u901a\u8fc7thread.is_alive()<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u68c0\u67e5\u6bcf\u4e2a\u7ebf\u7a0b\u662f\u5426\u8fd8\u5728\u8fd0\u884c\uff0c\u5e76\u5728\u7ebf\u7a0b\u7ed3\u675f\u65f6\u5c06\u5176\u4ece\u7ebf\u7a0b\u5217\u8868\u4e2d\u79fb\u9664\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528\u7ebf\u7a0b\u9501\u548c\u6761\u4ef6\u53d8\u91cf<\/h3>\n<\/p>\n
\u5728\u7ebf\u7a0b\u4e4b\u95f4\u8fdb\u884c\u540c\u6b65\u65f6\uff0c\u7ebf\u7a0b\u9501\u548c\u6761\u4ef6\u53d8\u91cf\u662f\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u5b83\u4eec\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u907f\u514d\u7ade\u4e89\u6761\u4ef6\uff0c\u5e76\u786e\u4fdd\u7ebf\u7a0b\u6309\u9884\u671f\u987a\u5e8f\u6267\u884c\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
lock = threading.Lock()<\/p>\n
condition = threading.Condition(lock)<\/p>\n
def worker_with_lock(number):<\/p>\n
    with lock:<\/p>\n
        print(f'Thread {number} acquired the lock')<\/p>\n
        time.sleep(2)<\/p>\n
        print(f'Thread {number} released the lock')<\/p>\n
def worker_with_condition(number):<\/p>\n
    with condition:<\/p>\n
        print(f'Thread {number} is wAI<\/a>ting for the condition')<\/p>\n
        condition.wait()<\/p>\n
        print(f'Thread {number} received the condition signal')<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u5e76\u4f7f\u7528\u9501<\/strong><\/h2>\n
threads = []<\/p>\n
for i in range(2):<\/p>\n
    thread = threading.Thread(target=worker_with_lock, args=(i,))<\/p>\n
    threads.append(thread)<\/p>\n
    thread.start()<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u5e76\u4f7f\u7528\u6761\u4ef6\u53d8\u91cf<\/strong><\/h2>\n
for i in range(2):<\/p>\n
    thread = threading.Thread(target=worker_with_condition, args=(i,))<\/p>\n
    threads.append(thread)<\/p>\n
    thread.start()<\/p>\n
time.sleep(1)<\/p>\n
with condition:<\/p>\n
    condition.notify_all()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e24\u4e2a\u7ebf\u7a0b\uff0c\u5206\u522b\u4f7f\u7528\u9501\u548c\u6761\u4ef6\u53d8\u91cf\u8fdb\u884c\u540c\u6b65\u3002\u901a\u8fc7\u9501\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6267\u884c\u4e34\u754c\u533a\u4ee3\u7801\u3002\u901a\u8fc7\u6761\u4ef6\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u7ebf\u7a0b\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u534f\u8c03\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528concurrent.futures<\/code>\u5e93\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001<\/h2>\n<\/p>\n
concurrent.futures<\/code>\u5e93\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u7684\u63a5\u53e3\u6765\u7ba1\u7406\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u6c60\uff0c\u5e76\u7b80\u5316\u4e86\u591a\u7ebf\u7a0b\u7f16\u7a0b\u3002\u901a\u8fc7concurrent.futures<\/code>\u5e93\uff0c\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u63d0\u4ea4\u4efb\u52a1\u5e76\u76d1\u63a7\u5b83\u4eec\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528\u7ebf\u7a0b\u6c60\u7ba1\u7406\u5668<\/h3>\n<\/p>\n
\u7ebf\u7a0b\u6c60\u7ba1\u7406\u5668\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u7ebf\u7a0b\uff0c\u5e76\u7b80\u5316\u591a\u7ebf\u7a0b\u7f16\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528concurrent.futures.ThreadPoolExecutor<\/code>\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u63d0\u4ea4\u4efb\u52a1\u5e76\u76d1\u63a7\u5b83\u4eec\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n
import concurrent.futures<\/p>\n
import time<\/p>\n
def worker(number):<\/p>\n
    print(f'Thread {number} starting')<\/p>\n
    time.sleep(2)<\/p>\n
    print(f'Thread {number} finished')<\/p>\n
    return number<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u6c60<\/strong><\/h2>\n
with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:<\/p>\n
    # \u63d0\u4ea4\u4efb\u52a1<\/p>\n
    futures = [executor.submit(worker, i) for i in range(5)]<\/p>\n
    # \u76d1\u63a7\u4efb\u52a1\u72b6\u6001<\/p>\n
    for future in concurrent.futures.as_completed(futures):<\/p>\n
        result = future.result()<\/p>\n
        print(f'Thread {result} has completed')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528ThreadPoolExecutor<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u5e76\u901a\u8fc7submit<\/code>\u65b9\u6cd5\u63d0\u4ea4\u4e865\u4e2a\u4efb\u52a1\u3002\u901a\u8fc7concurrent.futures.as_completed<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u76d1\u63a7\u6bcf\u4e2a\u4efb\u52a1\u7684\u5b8c\u6210\u60c5\u51b5\uff0c\u5e76\u83b7\u53d6\u4efb\u52a1\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528Future<\/code>\u5bf9\u8c61<\/h3>\n<\/p>\n
Future<\/code>\u5bf9\u8c61\u8868\u793a\u5f02\u6b65\u8ba1\u7b97\u7684\u7ed3\u679c\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u4e9b\u65b9\u6cd5\u6765\u76d1\u63a7\u548c\u7ba1\u7406\u4efb\u52a1\u7684\u72b6\u6001\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528Future<\/code>\u5bf9\u8c61\u76d1\u63a7\u4efb\u52a1\u72b6\u6001\u3002<\/p>\n<\/p>\n
import concurrent.futures<\/p>\n
import time<\/p>\n
def worker(number):<\/p>\n
    print(f'Thread {number} starting')<\/p>\n
    time.sleep(2)<\/p>\n
    print(f'Thread {number} finished')<\/p>\n
    return number<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u6c60<\/strong><\/h2>\n
with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:<\/p>\n
    # \u63d0\u4ea4\u4efb\u52a1<\/p>\n
    futures = [executor.submit(worker, i) for i in range(5)]<\/p>\n
    # \u76d1\u63a7\u4efb\u52a1\u72b6\u6001<\/p>\n
    for future in futures:<\/p>\n
        result = future.result()<\/p>\n
        print(f'Thread {result} has completed')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528submit<\/code>\u65b9\u6cd5\u63d0\u4ea4\u4e865\u4e2a\u4efb\u52a1\uff0c\u5e76\u901a\u8fc7Future<\/code>\u5bf9\u8c61\u7684result<\/code>\u65b9\u6cd5\u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\u5e76\u83b7\u53d6\u7ed3\u679c\u3002\u901a\u8fc7Future<\/code>\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u76d1\u63a7\u4efb\u52a1\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u7ed3\u5408\u961f\u5217\u673a\u5236\u5b9e\u73b0\u4efb\u52a1\u72b6\u6001\u8ddf\u8e2a<\/h2>\n<\/p>\n
\u961f\u5217\u673a\u5236\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u4efb\u52a1\u7684\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b\uff0c\u5e76\u7b80\u5316\u591a\u7ebf\u7a0b\u7f16\u7a0b\u3002\u901a\u8fc7\u961f\u5217\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7684\u72b6\u6001\u8ddf\u8e2a\u548c\u7ed3\u679c\u6536\u96c6\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528queue.Queue<\/code>\u5b9e\u73b0\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b<\/h3>\n<\/p>\n
queue.Queue<\/code>\u662fPython\u6807\u51c6\u5e93\u4e2d\u7528\u4e8e\u5b9e\u73b0\u7ebf\u7a0b\u5b89\u5168\u961f\u5217\u7684\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528queue.Queue<\/code>\u5b9e\u73b0\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b\uff0c\u5e76\u76d1\u63a7\u4efb\u52a1\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
import queue<\/p>\n
import time<\/p>\n
def producer(queue, n):<\/p>\n
    for i in range(n):<\/p>\n
        item = f'item_{i}'<\/p>\n
        print(f'Producing {item}')<\/p>\n
        queue.put(item)<\/p>\n
        time.sleep(1)<\/p>\n
def consumer(queue):<\/p>\n
    while True:<\/p>\n
        item = queue.get()<\/p>\n
        if item is None:<\/p>\n
            break<\/p>\n
        print(f'Consuming {item}')<\/p>\n
        time.sleep(2)<\/p>\n
        queue.task_done()<\/p>\n
\u521b\u5efa\u961f\u5217<\/strong><\/h2>\n
q = queue.Queue()<\/p>\n
\u521b\u5efa\u751f\u4ea7\u8005\u7ebf\u7a0b<\/strong><\/h2>\n
producer_thread = threading.Thread(target=producer, args=(q, 5))<\/p>\n
producer_thread.start()<\/p>\n
\u521b\u5efa\u6d88\u8d39\u8005\u7ebf\u7a0b<\/strong><\/h2>\n
consumer_thread = threading.Thread(target=consumer, args=(q,))<\/p>\n
consumer_thread.start()<\/p>\n
\u7b49\u5f85\u751f\u4ea7\u8005\u7ebf\u7a0b\u7ed3\u675f<\/strong><\/h2>\n
producer_thread.join()<\/p>\n
\u5411\u961f\u5217\u53d1\u9001\u7ed3\u675f\u4fe1\u53f7<\/strong><\/h2>\n
q.put(None)<\/p>\n
\u7b49\u5f85\u6d88\u8d39\u8005\u7ebf\u7a0b\u7ed3\u675f<\/strong><\/h2>\n
consumer_thread.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u751f\u4ea7\u8005\u7ebf\u7a0b\u548c\u4e00\u4e2a\u6d88\u8d39\u8005\u7ebf\u7a0b\u3002\u751f\u4ea7\u8005\u7ebf\u7a0b\u5411\u961f\u5217\u4e2d\u6dfb\u52a0\u4efb\u52a1\uff0c\u6d88\u8d39\u8005\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1\u5e76\u5904\u7406\u3002\u901a\u8fc7\u961f\u5217\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7684\u72b6\u6001\u8ddf\u8e2a\uff0c\u5e76\u786e\u4fdd\u4efb\u52a1\u6309\u987a\u5e8f\u5904\u7406\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528queue.Queue<\/code>\u5b9e\u73b0\u4efb\u52a1\u7ed3\u679c\u6536\u96c6<\/h3>\n<\/p>\n
\u901a\u8fc7\u961f\u5217\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7ed3\u679c\u7684\u6536\u96c6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528queue.Queue<\/code>\u5b9e\u73b0\u4efb\u52a1\u7ed3\u679c\u6536\u96c6\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
import queue<\/p>\n
import time<\/p>\n
def worker(input_queue, output_queue):<\/p>\n
    while True:<\/p>\n
        item = input_queue.get()<\/p>\n
        if item is None:<\/p>\n
            break<\/p>\n
        print(f'Processing {item}')<\/p>\n
        time.sleep(2)<\/p>\n
        result = f'result_{item}'<\/p>\n
        output_queue.put(result)<\/p>\n
        input_queue.task_done()<\/p>\n
\u521b\u5efa\u8f93\u5165\u961f\u5217\u548c\u8f93\u51fa\u961f\u5217<\/strong><\/h2>\n
input_queue = queue.Queue()<\/p>\n
output_queue = queue.Queue()<\/p>\n
\u521b\u5efa\u5de5\u4f5c\u7ebf\u7a0b<\/strong><\/h2>\n
threads = []<\/p>\n
for _ in range(3):<\/p>\n
    thread = threading.Thread(target=worker, args=(input_queue, output_queue))<\/p>\n
    thread.start()<\/p>\n
    threads.append(thread)<\/p>\n
\u5411\u8f93\u5165\u961f\u5217\u6dfb\u52a0\u4efb\u52a1<\/strong><\/h2>\n
for i in range(5):<\/p>\n
    input_queue.put(f'item_{i}')<\/p>\n
\u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210<\/strong><\/h2>\n
input_queue.join()<\/p>\n
\u5411\u5de5\u4f5c\u7ebf\u7a0b\u53d1\u9001\u7ed3\u675f\u4fe1\u53f7<\/strong><\/h2>\n
for _ in range(3):<\/p>\n
    input_queue.put(None)<\/p>\n
\u7b49\u5f85\u6240\u6709\u5de5\u4f5c\u7ebf\u7a0b\u7ed3\u675f<\/strong><\/h2>\n
for thread in threads:<\/p>\n
    thread.join()<\/p>\n
\u6536\u96c6\u4efb\u52a1\u7ed3\u679c<\/strong><\/h2>\n
results = []<\/p>\n
while not output_queue.empty():<\/p>\n
    results.append(output_queue.get())<\/p>\n
print('Results:', results)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e863\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u4ece\u8f93\u5165\u961f\u5217\u4e2d\u83b7\u53d6\u4efb\u52a1\u5e76\u5904\u7406\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u6dfb\u52a0\u5230\u8f93\u51fa\u961f\u5217\u4e2d\u3002\u901a\u8fc7\u961f\u5217\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7ed3\u679c\u7684\u6536\u96c6\uff0c\u5e76\u786e\u4fdd\u4efb\u52a1\u6309\u9884\u671f\u987a\u5e8f\u5904\u7406\u3002<\/p>\n<\/p>\n
\u56db\u3001\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001\u662f\u786e\u4fdd\u7a0b\u5e8f\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u7ebf\u7a0b\u72b6\u6001<\/h3>\n<\/p>\n
\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u7ebf\u7a0b\u72b6\u6001\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4e86\u89e3\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u5e76\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u8fdb\u884c\u8c03\u8bd5\u3002\u901a\u8fc7\u65e5\u5fd7\uff0c\u6211\u4eec\u53ef\u4ee5\u8bb0\u5f55\u7ebf\u7a0b\u7684\u542f\u52a8\u3001\u7ed3\u675f\u3001\u5f02\u5e38\u7b49\u91cd\u8981\u4e8b\u4ef6\u3002<\/p>\n<\/p>\n
import logging<\/p>\n
import threading<\/p>\n
import time<\/p>\n
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')<\/p>\n
def worker(number):<\/p>\n
    logging.info(f'Thread {number} starting')<\/p>\n
    time.sleep(2)<\/p>\n
    logging.info(f'Thread {number} finished')<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u5217\u8868<\/strong><\/h2>\n
threads = []<\/p>\n
for i in range(5):<\/p>\n
    thread = threading.Thread(target=worker, args=(i,))<\/p>\n
    threads.append(thread)<\/p>\n
    thread.start()<\/p>\n
\u76d1\u63a7\u7ebf\u7a0b\u72b6\u6001<\/strong><\/h2>\n
while threads:<\/p>\n
    for thread in threads:<\/p>\n
        if not thread.is_alive():<\/p>\n
            logging.info(f'Thread {thread.name} has finished')<\/p>\n
            threads.remove(thread)<\/p>\n
    time.sleep(1)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528logging<\/code>\u6a21\u5757\u8bb0\u5f55\u4e86\u7ebf\u7a0b\u7684\u542f\u52a8\u548c\u7ed3\u675f\u4e8b\u4ef6\u3002\u901a\u8fc7\u65e5\u5fd7\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u6670\u5730\u4e86\u89e3\u7ebf\u7a0b\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u5e76\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u8fdb\u884c\u8c03\u8bd5\u3002<\/p>\n<\/p>\n
2\u3001\u5904\u7406\u7ebf\u7a0b\u5f02\u5e38<\/h3>\n<\/p>\n
\u5904\u7406\u7ebf\u7a0b\u5f02\u5e38\u662f\u786e\u4fdd\u7a0b\u5e8f\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u5f02\u5e38\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u63d0\u524d\u7ed3\u675f\uff0c\u4ece\u800c\u5f71\u54cd\u7a0b\u5e8f\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u901a\u8fc7\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u7ebf\u7a0b\u6309\u9884\u671f\u8fd0\u884c\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
import time<\/p>\n
def worker(number):<\/p>\n
    try:<\/p>\n
        print(f'Thread {number} starting')<\/p>\n
        time.sleep(2)<\/p>\n
        if number == 2:<\/p>\n
            raise ValueError('An error occurred in thread 2')<\/p>\n
        print(f'Thread {number} finished')<\/p>\n
    except Exception as e:<\/p>\n
        print(f'Exception in thread {number}: {e}')<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u5217\u8868<\/strong><\/h2>\n
threads = []<\/p>\n
for i in range(5):<\/p>\n
    thread = threading.Thread(target=worker, args=(i,))<\/p>\n
    threads.append(thread)<\/p>\n
    thread.start()<\/p>\n
\u76d1\u63a7\u7ebf\u7a0b\u72b6\u6001<\/strong><\/h2>\n
while threads:<\/p>\n
    for thread in threads:<\/p>\n
        if not thread.is_alive():<\/p>\n
            print(f'Thread {thread.name} has finished')<\/p>\n
            threads.remove(thread)<\/p>\n
    time.sleep(1)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728worker<\/code>\u51fd\u6570\u4e2d\u6355\u83b7\u5e76\u5904\u7406\u4e86\u5f02\u5e38\u3002\u901a\u8fc7\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u7ebf\u7a0b\u6309\u9884\u671f\u8fd0\u884c\uff0c\u5e76\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<\/p>\n
3\u3001\u4f7f\u7528\u7ebf\u7a0b\u6c60\u4f18\u5316\u6027\u80fd<\/h3>\n<\/p>\n
\u4f7f\u7528\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u7ebf\u7a0b\uff0c\u5e76\u4f18\u5316\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u901a\u8fc7\u7ebf\u7a0b\u6c60\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\u7684\u5f00\u9500\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n
import concurrent.futures<\/p>\n
import time<\/p>\n
def worker(number):<\/p>\n
    print(f'Thread {number} starting')<\/p>\n
    time.sleep(2)<\/p>\n
    print(f'Thread {number} finished')<\/p>\n
    return number<\/p>\n
\u521b\u5efa\u7ebf\u7a0b\u6c60<\/strong><\/h2>\n
with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:<\/p>\n
    # \u63d0\u4ea4\u4efb\u52a1<\/p>\n
    futures = [executor.submit(worker, i) for i in range(5)]<\/p>\n
    # \u76d1\u63a7\u4efb\u52a1\u72b6\u6001<\/p>\n
    for future in concurrent.futures.as_completed(futures):<\/p>\n
        result = future.result()<\/p>\n
        print(f'Thread {result} has completed')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528ThreadPoolExecutor<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u5e76\u901a\u8fc7submit<\/code>\u65b9\u6cd5\u63d0\u4ea4\u4e865\u4e2a\u4efb\u52a1\u3002\u901a\u8fc7\u7ebf\u7a0b\u6c60\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u7ebf\u7a0b\uff0c\u5e76\u4f18\u5316\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/h2>\n<\/p>\n
\u76d1\u63a7\u591a\u7ebf\u7a0b\u72b6\u6001\u662f\u786e\u4fdd\u7a0b\u5e8f\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7threading<\/code>\u5e93\u3001concurrent.futures<\/code>\u5e93\u3001\u961f\u5217\u673a\u5236\u7b49\u65b9\u5f0f\u76d1\u63a7\u591a\u7ebf\u7a0b\u7684\u72b6\u6001\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684is_alive()<\/code>\u65b9\u6cd5\u3001\u7ebf\u7a0b\u6c60\u7684as_completed()<\/code>\u65b9\u6cd5\u3001\u7ed3\u5408\u961f\u5217\u673a\u5236\u5b9e\u73b0\u4efb\u52a1\u72b6\u6001\u8ddf\u8e2a\u3002<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u7ebf\u7a0b\u72b6\u6001\u3001\u5904\u7406\u7ebf\u7a0b\u5f02\u5e38\u3001\u4f7f\u7528\u7ebf\u7a0b\u6c60\u4f18\u5316\u6027\u80fd\u7b49\u6700\u4f73\u5b9e\u8df5\uff0c\u8fdb\u4e00\u6b65\u786e\u4fdd\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u5728Python\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\u7684\u76d1\u63a7\u7ebf\u7a0b\u72b6\u6001\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u591a\u7ebf\u7a0b\u72b6\u6001\u76d1\u63a7\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f<\/strong>
\u591a\u7ebf\u7a0b\u72b6\u6001\u76d1\u63a7\u7684\u4e3b\u8981\u76ee\u7684\u662f\u786e\u4fdd\u7a0b\u5e8f\u5728\u6267\u884c\u591a\u4e2a\u7ebf\u7a0b\u65f6\uff0c\u80fd\u591f\u5b9e\u65f6\u638c\u63e1\u5404\u4e2a\u7ebf\u7a0b\u7684\u8fd0\u884c\u60c5\u51b5\u3002\u8fd9\u5305\u62ec\u68c0\u6d4b\u7ebf\u7a0b\u7684\u6d3b\u8dc3\u72b6\u6001\u3001\u6267\u884c\u6548\u7387\u4ee5\u53ca\u662f\u5426\u51fa\u73b0\u4e86\u5f02\u5e38\u6216\u9519\u8bef\u3002\u901a\u8fc7\u6709\u6548\u7684\u76d1\u63a7\uff0c\u53ef\u4ee5\u63d0\u5347\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528Python\u7684\u5185\u7f6e\u6a21\u5757\u76d1\u63a7\u7ebf\u7a0b\uff1f<\/strong>
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5185\u7f6e\u6a21\u5757\uff0c\u5982threading<\/code>\u548cconcurrent.futures<\/code>\uff0c\u53ef\u4ee5\u7528\u6765\u76d1\u63a7\u7ebf\u7a0b\u7684\u72b6\u6001\u3002\u4f7f\u7528threading<\/code>\u6a21\u5757\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7is_alive()<\/code>\u65b9\u6cd5\u68c0\u67e5\u7ebf\u7a0b\u662f\u5426\u4ecd\u5728\u8fd0\u884c\uff0c\u901a\u8fc7join()<\/code>\u65b9\u6cd5\u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f\u3002\u800cconcurrent.futures.ThreadPoolExecutor<\/code>\u5219\u5141\u8bb8\u4f60\u63d0\u4ea4\u4efb\u52a1\u5e76\u76d1\u63a7\u5176\u72b6\u6001\uff0c\u901a\u8fc7as_completed()<\/code>\u51fd\u6570\u53ef\u4ee5\u83b7\u53d6\u5df2\u5b8c\u6210\u7684\u4efb\u52a1\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u7ebf\u7a0b\u72b6\u6001\u7684\u76d1\u63a7\u3002<\/p>\n
\u662f\u5426\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7ebf\u7a0b\u72b6\u6001\u76d1\u63a7\u7684\u65b9\u5f0f\uff1f<\/strong>
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