{"id":969846,"date":"2024-12-27T05:20:39","date_gmt":"2024-12-26T21:20:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/969846.html"},"modified":"2024-12-27T05:20:42","modified_gmt":"2024-12-26T21:20:42","slug":"python%e7%ba%bf%e7%a8%8b%e9%97%b4%e5%a6%82%e4%bd%95%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/969846.html","title":{"rendered":"python\u7ebf\u7a0b\u95f4\u5982\u4f55\u901a\u4fe1"},"content":{"rendered":"

\"python\u7ebf\u7a0b\u95f4\u5982\u4f55\u901a\u4fe1\"<\/p>\n

\u5728Python\u4e2d\uff0c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e3b\u8981\u5305\u62ec\uff1a\u961f\u5217\uff08Queue\uff09\u3001\u4e8b\u4ef6\uff08Event\uff09\u3001\u4fe1\u53f7\u91cf\uff08Semaphore\uff09\u3001\u9501\uff08Lock\uff09<\/strong>\u7b49\u3002\u5176\u4e2d\uff0c\u961f\u5217\u662f\u4e00\u79cd\u7ebf\u7a0b\u5b89\u5168\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b\uff1b\u4e8b\u4ef6\u7528\u4e8e\u7ebf\u7a0b\u4e4b\u95f4\u7684\u7b80\u5355\u901a\u77e5\uff1b\u4fe1\u53f7\u91cf\u53ef\u4ee5\u63a7\u5236\u5bf9\u8d44\u6e90\u7684\u8bbf\u95ee\uff1b\u9501\u5219\u7528\u4e8e\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u5730\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u961f\u5217\uff08Queue\uff09<\/p>\n<\/p>\n

\u961f\u5217\u662f\u4e00\u79cd\u7ebf\u7a0b\u5b89\u5168\u7684\u901a\u4fe1\u65b9\u5f0f\uff0cPython\u7684queue<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86Queue<\/code>\u7c7b\uff0c\u652f\u6301\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u5b89\u5168\u901a\u4fe1\u3002\u961f\u5217\u53ef\u4ee5\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u653e\u5165\u6570\u636e\uff0c\u7136\u540e\u5728\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u53d6\u51fa\u6570\u636e\uff0c\u9002\u7528\u4e8e\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u6a21\u578b\u3002<\/p>\n<\/p>\n

    \n
  1. \n

    Queue\u7684\u57fa\u672c\u4f7f\u7528<\/strong><\/p>\n<\/p>\n

    \u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u961f\u5217\u5e38\u7528\u6765\u4fdd\u5b58\u7ebf\u7a0b\u95f4\u5171\u4eab\u7684\u6570\u636e\u3002Queue<\/code>\u7c7b\u63d0\u4f9b\u4e86FIFO\uff08\u5148\u8fdb\u5148\u51fa\uff09\u548cLIFO\uff08\u540e\u8fdb\u5148\u51fa\uff09\u4e24\u79cd\u961f\u5217\u7c7b\u578b\uff0c\u4ee5\u53ca\u4f18\u5148\u7ea7\u961f\u5217\u3002\u4f7f\u7528\u961f\u5217\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u961f\u5217\u7684\u521b\u5efa\u3001\u6570\u636e\u7684\u5b58\u5165\u548c\u53d6\u51fa\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

    import threading<\/p>\n
    import queue<\/p>\n
    def producer(q):<\/p>\n
        for i in range(5):<\/p>\n
            q.put(i)<\/p>\n
            print(f"Produced {i}")<\/p>\n
    def consumer(q):<\/p>\n
        while not q.empty():<\/p>\n
            item = q.get()<\/p>\n
            print(f"Consumed {item}")<\/p>\n
            q.task_done()<\/p>\n
    q = queue.Queue()<\/p>\n
    t1 = threading.Thread(target=producer, args=(q,))<\/p>\n
    t2 = threading.Thread(target=consumer, args=(q,))<\/p>\n
    t1.start()<\/p>\n
    t2.start()<\/p>\n
    t1.join()<\/p>\n
    t2.join()<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cproducer<\/code>\u7ebf\u7a0b\u5411\u961f\u5217\u4e2d\u653e\u5165\u6570\u636e\uff0cconsumer<\/code>\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u5e76\u5904\u7406\u3002<\/p>\n<\/p>\n<\/li>\n
  2. \n
    Queue\u7684\u7ebf\u7a0b\u5b89\u5168\u6027<\/strong><\/p>\n<\/p>\n
    Queue<\/code>\u7c7b\u672c\u8eab\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u5b83\u5185\u90e8\u5b9e\u73b0\u4e86\u9501\u673a\u5236\uff0c\u786e\u4fdd\u4e86\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u7684\u5b89\u5168\u6027\u3002\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u76f4\u63a5\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4f7f\u7528Queue<\/code>\u800c\u65e0\u9700\u62c5\u5fc3\u6570\u636e\u7ade\u4e89\u95ee\u9898\u3002<\/p>\n<\/p>\n<\/li>\n
  3. \n
    Queue\u7684\u963b\u585e\u4e0e\u975e\u963b\u585e\u6a21\u5f0f<\/strong><\/p>\n<\/p>\n
    Queue<\/code>\u7c7b\u63d0\u4f9b\u4e86\u963b\u585e\u548c\u975e\u963b\u585e\u4e24\u79cd\u6a21\u5f0f\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cget()<\/code>\u548cput()<\/code>\u65b9\u6cd5\u662f\u963b\u585e\u7684\uff0c\u5373\u5f53\u961f\u5217\u4e3a\u7a7a\u6216\u5df2\u6ee1\u65f6\uff0c\u7ebf\u7a0b\u4f1a\u7b49\u5f85\u3002\u901a\u8fc7\u53c2\u6570block<\/code>\u548ctimeout<\/code>\u53ef\u4ee5\u5b9e\u73b0\u975e\u963b\u585e\u6a21\u5f0f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001\u4e8b\u4ef6\uff08Event\uff09<\/p>\n<\/p>\n
    \u4e8b\u4ef6\u7528\u4e8e\u7ebf\u7a0b\u4e4b\u95f4\u7684\u7b80\u5355\u901a\u77e5\u673a\u5236\uff0c\u7ebf\u7a0b\u53ef\u4ee5\u7b49\u5f85\u67d0\u4e2a\u4e8b\u4ef6\u7684\u53d1\u751f\uff0c\u6216\u8005\u901a\u77e5\u5176\u4ed6\u7ebf\u7a0b\u67d0\u4e2a\u4e8b\u4ef6\u5df2\u7ecf\u53d1\u751f\u3002<\/p>\n<\/p>\n
      \n
    1. \n
      Event\u7684\u57fa\u672c\u4f7f\u7528<\/strong><\/p>\n<\/p>\n
      Event<\/code>\u7c7b\u63d0\u4f9b\u4e86\u4e09\u4e2a\u4e3b\u8981\u65b9\u6cd5\uff1aset()<\/code>\u3001clear()<\/code>\u548cwAI<\/a>t()<\/code>\u3002set()<\/code>\u65b9\u6cd5\u5c06\u4e8b\u4ef6\u6807\u5fd7\u8bbe\u4e3aTrue\uff0cclear()<\/code>\u65b9\u6cd5\u5c06\u4e8b\u4ef6\u6807\u5fd7\u8bbe\u4e3aFalse\uff0cwait()<\/code>\u65b9\u6cd5\u4f1a\u963b\u585e\u7ebf\u7a0b\u76f4\u5230\u4e8b\u4ef6\u6807\u5fd7\u4e3aTrue\u3002<\/p>\n<\/p>\n
      import threading<\/p>\n
      def task(event):<\/p>\n
          print("Waiting for event...")<\/p>\n
          event.wait()<\/p>\n
          print("Event received, proceeding...")<\/p>\n
      e = threading.Event()<\/p>\n
      t = threading.Thread(target=task, args=(e,))<\/p>\n
      t.start()<\/p>\n
      print("Main thread is setting event")<\/p>\n
      e.set()<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u5b50\u7ebf\u7a0b\u5728\u7b49\u5f85\u4e8b\u4ef6\u53d1\u751f\uff0c\u800c\u4e3b\u7ebf\u7a0b\u901a\u8fc7set()<\/code>\u65b9\u6cd5\u901a\u77e5\u5b50\u7ebf\u7a0b\u4e8b\u4ef6\u5df2\u7ecf\u53d1\u751f\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      Event\u7684\u5e94\u7528\u573a\u666f<\/strong><\/p>\n<\/p>\n
      \u4e8b\u4ef6\u901a\u5e38\u7528\u4e8e\u9700\u8981\u7ebf\u7a0b\u540c\u6b65\u7684\u573a\u666f\uff0c\u4f8b\u5982\u591a\u4e2a\u7ebf\u7a0b\u9700\u8981\u5728\u67d0\u4e2a\u6761\u4ef6\u6ee1\u8db3\u65f6\u540c\u65f6\u5f00\u59cb\u6267\u884c\uff0c\u6216\u8005\u9700\u8981\u7b49\u5f85\u67d0\u4e2a\u64cd\u4f5c\u5b8c\u6210\u540e\u518d\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001\u4fe1\u53f7\u91cf\uff08Semaphore\uff09<\/p>\n<\/p>\n
      \u4fe1\u53f7\u91cf\u7528\u4e8e\u63a7\u5236\u5bf9\u6709\u9650\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u5141\u8bb8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\uff0c\u4f46\u6700\u591a\u53ea\u80fd\u6709\u6307\u5b9a\u6570\u91cf\u7684\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\u3002<\/p>\n<\/p>\n
        \n
      1. \n
        Semaphore\u7684\u57fa\u672c\u4f7f\u7528<\/strong><\/p>\n<\/p>\n
        Semaphore<\/code>\u7c7b\u901a\u8fc7\u8ba1\u6570\u5668\u673a\u5236\u63a7\u5236\u8d44\u6e90\u7684\u8bbf\u95ee\uff0cacquire()<\/code>\u65b9\u6cd5\u51cf\u5c11\u8ba1\u6570\u5668\uff0crelease()<\/code>\u65b9\u6cd5\u589e\u52a0\u8ba1\u6570\u5668\u3002<\/p>\n<\/p>\n
        import threading<\/p>\n
        import time<\/p>\n
        def worker(sem, thread_id):<\/p>\n
            with sem:<\/p>\n
                print(f"Thread {thread_id} is working")<\/p>\n
                time.sleep(1)<\/p>\n
                print(f"Thread {thread_id} finished")<\/p>\n
        semaphore = threading.Semaphore(3)<\/p>\n
        threads = [threading.Thread(target=worker, args=(semaphore, i)) for i in range(5)]<\/p>\n
        for t in threads:<\/p>\n
            t.start()<\/p>\n
        for t in threads:<\/p>\n
            t.join()<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6700\u591a\u5141\u8bb8\u4e09\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6267\u884cworker<\/code>\u51fd\u6570\u3002<\/p>\n<\/p>\n<\/li>\n
      2. \n
        Semaphore\u7684\u5e94\u7528\u573a\u666f<\/strong><\/p>\n<\/p>\n
        \u4fe1\u53f7\u91cf\u9002\u7528\u4e8e\u9700\u8981\u9650\u5236\u5bf9\u8d44\u6e90\u5e76\u53d1\u8bbf\u95ee\u7684\u573a\u666f\uff0c\u4f8b\u5982\u9650\u5236\u6570\u636e\u5e93\u8fde\u63a5\u6570\u3001\u6587\u4ef6\u8bfb\u5199\u7b49\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u9501\uff08Lock\uff09<\/p>\n<\/p>\n
        \u9501\u7528\u4e8e\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u5730\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u9632\u6b62\u6570\u636e\u7ade\u4e89\u3002Python\u7684threading<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86Lock<\/code>\u7c7b\u3002<\/p>\n<\/p>\n
          \n
        1. \n
          Lock\u7684\u57fa\u672c\u4f7f\u7528<\/strong><\/p>\n<\/p>\n
          \u9501\u901a\u8fc7acquire()<\/code>\u548crelease()<\/code>\u65b9\u6cd5\u63a7\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u786e\u4fdd\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u3002<\/p>\n<\/p>\n
          import threading<\/p>\n
          counter = 0<\/p>\n
          lock = threading.Lock()<\/p>\n
          def increment():<\/p>\n
              global counter<\/p>\n
              with lock:<\/p>\n
                  for _ in range(1000):<\/p>\n
                      counter += 1<\/p>\n
          threads = [threading.Thread(target=increment) for _ in range(10)]<\/p>\n
          for t in threads:<\/p>\n
              t.start()<\/p>\n
          for t in threads:<\/p>\n
              t.join()<\/p>\n
          print(f"Final counter value: {counter}")<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9501\u786e\u4fdd\u4e86\u5bf9counter<\/code>\u53d8\u91cf\u7684\u5b89\u5168\u8bbf\u95ee\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          Lock\u7684\u5e94\u7528\u573a\u666f<\/strong><\/p>\n<\/p>\n
          \u9501\u9002\u7528\u4e8e\u9700\u8981\u4fdd\u62a4\u5171\u4eab\u6570\u636e\u7684\u573a\u666f\uff0c\u4f8b\u5982\u8ba1\u6570\u5668\u3001\u5217\u8868\u7b49\u5168\u5c40\u53d8\u91cf\u7684\u8bbf\u95ee\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u603b\u7ed3\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u7ebf\u7a0b\u95f4\u901a\u4fe1\u7684\u65b9\u5f0f\uff0c\u5305\u62ec\u961f\u5217\u3001\u4e8b\u4ef6\u3001\u4fe1\u53f7\u91cf\u548c\u9501\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u65b9\u5f0f\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u961f\u5217\u548c\u4e8b\u4ef6\u5e38\u7528\u4e8e\u7ebf\u7a0b\u540c\u6b65\u548c\u901a\u4fe1\uff0c\u800c\u4fe1\u53f7\u91cf\u548c\u9501\u5219\u7528\u4e8e\u63a7\u5236\u8d44\u6e90\u7684\u8bbf\u95ee\u548c\u4fdd\u62a4\u5171\u4eab\u6570\u636e\u3002\u5728\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7ebf\u7a0b\u5b89\u5168\u6027\u548c\u6027\u80fd\u95ee\u9898\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<\/p>\n
          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
           1. \u4ec0\u4e48\u662fPython\u7ebf\u7a0b\u95f4\u901a\u4fe1\uff0c\u4e3a\u4ec0\u4e48\u9700\u8981\u5b83\uff1f<\/strong>
          Python\u7ebf\u7a0b\u95f4\u901a\u4fe1\u662f\u6307\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e4b\u95f4\u4ea4\u6362\u4fe1\u606f\u7684\u8fc7\u7a0b\u3002\u7531\u4e8e\u7ebf\u7a0b\u5171\u4eab\u540c\u4e00\u5185\u5b58\u7a7a\u95f4\uff0c\u901a\u4fe1\u53ef\u4ee5\u901a\u8fc7\u5171\u4eab\u53d8\u91cf\u3001\u961f\u5217\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002\u6709\u6548\u7684\u7ebf\u7a0b\u95f4\u901a\u4fe1\u5bf9\u4e8e\u534f\u8c03\u591a\u4e2a\u7ebf\u7a0b\u7684\u5de5\u4f5c\u3001\u907f\u514d\u6570\u636e\u7ade\u4e89\u548c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u4e0b\u8f7d\u5668\u4e2d\uff0c\u4e3b\u7ebf\u7a0b\u53ef\u80fd\u9700\u8981\u4e0e\u4e0b\u8f7d\u7ebf\u7a0b\u901a\u4fe1\u4ee5\u66f4\u65b0\u7528\u6237\u754c\u9762\u6216\u5904\u7406\u4e0b\u8f7d\u8fdb\u5ea6\u3002<\/p>\n
          2. \u5728Python\u4e2d\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u7ebf\u7a0b\u95f4\u901a\u4fe1\u65b9\u5f0f\uff1f<\/strong>
          Python\u63d0\u4f9b\u4e86\u591a\u79cd\u7ebf\u7a0b\u95f4\u901a\u4fe1\u7684\u673a\u5236\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528Queue<\/code>\u6a21\u5757\uff0c\u5b83\u63d0\u4f9b\u4e86\u7ebf\u7a0b\u5b89\u5168\u7684\u961f\u5217\uff0c\u5141\u8bb8\u4e00\u4e2a\u7ebf\u7a0b\u5c06\u6570\u636e\u653e\u5165\u961f\u5217\uff0c\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u3002\u6b64\u5916\uff0cEvent<\/code>\u3001Condition<\/code>\u548cSemaphore<\/code>\u7b49\u540c\u6b65\u539f\u8bed\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7ebf\u7a0b\u95f4\u7684\u4fe1\u53f7\u4f20\u9012\u548c\u72b6\u6001\u540c\u6b65\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7ba1\u7406\u7ebf\u7a0b\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u534f\u8c03\u5de5\u4f5c\u3002<\/p>\n
          3. \u4f7f\u7528Queue<\/code>\u6a21\u5757\u8fdb\u884c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u7684\u57fa\u672c\u793a\u4f8b\u662f\u4ec0\u4e48\u6837\u7684\uff1f<\/strong>
          \u4f7f\u7528Queue<\/code>\u6a21\u5757\u8fdb\u884c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u975e\u5e38\u7b80\u5355\u3002\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aQueue<\/code>\u5bf9\u8c61\uff0c\u5e76\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u5c06\u6570\u636e\u653e\u5165\u961f\u5217\uff0c\u800c\u5728\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u751f\u4ea7\u8005\u7ebf\u7a0b\u5c06\u6570\u636e\u653e\u5165\u961f\u5217\uff0c\u6d88\u8d39\u8005\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u5e76\u5904\u7406\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u9012\uff0c\u5e76\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\uff0c\u9632\u6b62\u6570\u636e\u4e22\u5931\u6216\u51b2\u7a81\u3002\u8fd9\u91cc\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
          import threading\nimport queue\nimport time\n\ndef producer(q):\n    for i in range(5):\n        time.sleep(1)\n        q.put(i)\n        print(f'\u751f\u4ea7\u8005\u751f\u4ea7\u4e86 {i}')\n\ndef consumer(q):\n    while True:\n        item = q.get()\n        if item is None:\n            break\n        print(f'\u6d88\u8d39\u8005\u6d88\u8d39\u4e86 {item}')\n        q.task_done()\n\nq = queue.Queue()\nt1 = threading.Thread(target=producer, args=(q,))\nt2 = threading.Thread(target=consumer, args=(q,))\n\nt1.start()\nt2.start()\n\nq.join()  # \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210\nq.put(None)  # \u53d1\u9001\u7ed3\u675f\u4fe1\u53f7\nt2.join()\n<\/code><\/pre>\n
          \u8fd9\u4e2a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u961f\u5217\u5728\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u4e4b\u95f4\u8fdb\u884c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u7ebf\u7a0b\u95f4\u901a\u4fe1\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e3b\u8981\u5305\u62ec\uff1a\u961f\u5217\uff08Queue\uff09\u3001\u4e8b\u4ef6\uff08Event\uff09\u3001\u4fe1\u53f7\u91cf\uff08S […]","protected":false},"author":3,"featured_media":969857,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/969846"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=969846"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/969846\/revisions"}],"predecessor-version":[{"id":969861,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/969846\/revisions\/969861"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/969857"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=969846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=969846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=969846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}