{"id":999951,"date":"2024-12-27T09:45:41","date_gmt":"2024-12-27T01:45:41","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/999951.html"},"modified":"2024-12-27T09:45:44","modified_gmt":"2024-12-27T01:45:44","slug":"python%e4%bb%a3%e7%a0%81%e5%a6%82%e4%bd%95%e9%97%b4%e9%9a%94%e8%bf%90%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/999951.html","title":{"rendered":"python\u4ee3\u7801\u5982\u4f55\u95f4\u9694\u8fd0\u884c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25074743\/7978fd12-fa88-44ad-8c1d-db3747ed073a.webp\" alt=\"python\u4ee3\u7801\u5982\u4f55\u95f4\u9694\u8fd0\u884c\" \/><\/p>\n<p><p> <strong>\u8981\u5728Python\u4e2d\u5b9e\u73b0\u4ee3\u7801\u7684\u95f4\u9694\u8fd0\u884c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>time.sleep()<\/code>\u51fd\u6570\u3001<code>sched<\/code>\u6a21\u5757\u3001\u4ee5\u53ca\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65\u7f16\u7a0b\u7b49\u65b9\u6cd5\u3002<code>time.sleep()<\/code>\u51fd\u6570\u662f\u6700\u7b80\u5355\u4e14\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u6682\u505c\u6267\u884c\u4e00\u6bb5\u65f6\u95f4\uff0c\u7136\u540e\u7ee7\u7eed\u8fd0\u884c\u3002<code>sched<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u590d\u6742\u7684\u8c03\u5ea6\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u5185\u6267\u884c\u4efb\u52a1\u3002\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65\u7f16\u7a0b\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u9002\u5408\u5904\u7406\u66f4\u590d\u6742\u7684\u4efb\u52a1\u3002<\/strong>\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528TIME.SLEEP()\u51fd\u6570<\/p>\n<\/p>\n<p><p><code>time.sleep()<\/code>\u662fPython\u6807\u51c6\u5e93<code>time<\/code>\u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u7b80\u5355\u51fd\u6570\uff0c\u7528\u4e8e\u8ba9\u7a0b\u5e8f\u6682\u505c\u4e00\u6bb5\u65f6\u95f4\u3002\u4f60\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u5b83\u6765\u95f4\u9694\u6267\u884c\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import time<\/p>\n<p>def print_message():<\/p>\n<p>    print(&quot;This message will be printed every 5 seconds.&quot;)<\/p>\n<p>while True:<\/p>\n<p>    print_message()<\/p>\n<p>    time.sleep(5)  # \u6682\u505c5\u79d2\u949f<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>print_message()<\/code>\u51fd\u6570\u6bcf\u96945\u79d2\u949f\u6267\u884c\u4e00\u6b21\u3002<code>time.sleep(5)<\/code>\u4f1a\u8ba9\u7a0b\u5e8f\u6682\u505c5\u79d2\u949f\uff0c\u7136\u540e\u7ee7\u7eed\u6267\u884c\u5faa\u73af\u4e2d\u7684\u4e0b\u4e00\u4e2a\u8bed\u53e5\u3002<strong>\u4f7f\u7528<code>time.sleep()<\/code>\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u5b83\u662f\u963b\u585e\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u5728\u6682\u505c\u671f\u95f4\uff0c\u7a0b\u5e8f\u65e0\u6cd5\u6267\u884c\u5176\u4ed6\u64cd\u4f5c\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528SCHED\u6a21\u5757<\/p>\n<\/p>\n<p><p><code>sched<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u8c03\u5ea6\u6a21\u5757\uff0c\u53ef\u4ee5\u7528\u6765\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u5185\u6267\u884c\u4efb\u52a1\u3002\u76f8\u6bd4<code>time.sleep()<\/code>\uff0c<code>sched<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sched<\/p>\n<p>import time<\/p>\n<h2><strong>\u521d\u59cb\u5316\u4e00\u4e2a\u8c03\u5ea6\u5668<\/strong><\/h2>\n<p>scheduler = sched.scheduler(time.time, time.sleep)<\/p>\n<p>def print_message():<\/p>\n<p>    print(&quot;This message will be printed every 5 seconds.&quot;)<\/p>\n<p>    # \u518d\u6b21\u5b89\u6392\u4efb\u52a1<\/p>\n<p>    scheduler.enter(5, 1, print_message)<\/p>\n<h2><strong>\u9996\u6b21\u5b89\u6392\u4efb\u52a1<\/strong><\/h2>\n<p>scheduler.enter(5, 1, print_message)<\/p>\n<h2><strong>\u542f\u52a8\u8c03\u5ea6\u5668<\/strong><\/h2>\n<p>scheduler.run()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>sched.scheduler<\/code>\u521b\u5efa\u4e86\u4e00\u4e2a\u8c03\u5ea6\u5668\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7<code>scheduler.enter()<\/code>\u65b9\u6cd5\u5b89\u6392\u4efb\u52a1\u3002<strong>\u5728\u6bcf\u6b21\u4efb\u52a1\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u6211\u4eec\u4f1a\u518d\u6b21\u5b89\u6392\u4efb\u52a1\uff0c\u4ece\u800c\u5b9e\u73b0\u5faa\u73af\u3002\u8c03\u5ea6\u5668\u7684\u4f18\u70b9\u662f\u975e\u963b\u585e\u7684\uff0c\u5141\u8bb8\u5728\u7b49\u5f85\u671f\u95f4\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528\u7ebf\u7a0b<\/p>\n<\/p>\n<p><p>\u591a\u7ebf\u7a0b\u53ef\u4ee5\u8ba9\u4f60\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u4efb\u52a1\uff0c\u800c\u4e0d\u5fc5\u7b49\u5f85\u67d0\u4e2a\u4efb\u52a1\u5b8c\u6210\u3002\u8fd9\u5728\u9700\u8981\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>import time<\/p>\n<p>def print_message():<\/p>\n<p>    while True:<\/p>\n<p>        print(&quot;This message will be printed every 5 seconds.&quot;)<\/p>\n<p>        time.sleep(5)<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b<\/strong><\/h2>\n<p>message_thread = threading.Thread(target=print_message)<\/p>\n<h2><strong>\u542f\u52a8\u7ebf\u7a0b<\/strong><\/h2>\n<p>message_thread.start()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u591a\u7ebf\u7a0b\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u5728\u7b49\u5f85\u671f\u95f4\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u64cd\u4f5c\u3002\u7136\u800c\uff0c<strong>Python\u7684\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\u9650\u5236\u4e86\u7ebf\u7a0b\u5728CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u7684\u6548\u7387\uff0c\u56e0\u6b64\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5efa\u8bae\u4f7f\u7528\u591a\u8fdb\u7a0b\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u56db\u3001\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b<\/p>\n<\/p>\n<p><p>\u5f02\u6b65\u7f16\u7a0b\u5141\u8bb8\u4f60\u7f16\u5199\u975e\u963b\u585e\u7684\u4ee3\u7801\uff0c\u8fd9\u5728\u5904\u7406I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\u7279\u522b\u6709\u7528\u3002Python\u4e2d\u7684<code>asyncio<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5f02\u6b65\u7f16\u7a0b\u652f\u6301\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import asyncio<\/p>\n<p>async def print_message():<\/p>\n<p>    while True:<\/p>\n<p>        print(&quot;This message will be printed every 5 seconds.&quot;)<\/p>\n<p>        aw<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t asyncio.sleep(5)<\/p>\n<h2><strong>\u521b\u5efa\u5e76\u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af<\/strong><\/h2>\n<p>loop = asyncio.get_event_loop()<\/p>\n<p>loop.run_until_complete(print_message())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5f02\u6b65\u51fd\u6570<code>print_message()<\/code>\uff0c\u5e76\u4f7f\u7528<code>await asyncio.sleep(5)<\/code>\u6765\u6682\u505c5\u79d2\u949f\u3002<strong>\u5f02\u6b65\u7f16\u7a0b\u7684\u4f18\u70b9\u662f\u5b83\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cfI\/O\u64cd\u4f5c\uff0c\u4f46\u7f16\u5199\u5f02\u6b65\u4ee3\u7801\u9700\u8981\u4e00\u5b9a\u7684\u5b66\u4e60\u6210\u672c\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e94\u3001\u5b9a\u5236\u5316\u8c03\u5ea6\u5668<\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u5b9a\u5236\u5316\u7684\u8c03\u5ea6\u5668\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u9700\u6c42\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982<code>APScheduler<\/code>\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u8c03\u5ea6\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from apscheduler.schedulers.blocking import BlockingScheduler<\/p>\n<p>def print_message():<\/p>\n<p>    print(&quot;This message will be printed every 5 seconds.&quot;)<\/p>\n<p>scheduler = BlockingScheduler()<\/p>\n<p>scheduler.add_job(print_message, &#39;interval&#39;, seconds=5)<\/p>\n<p>scheduler.start()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>APScheduler<\/code>\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u8c03\u5ea6\u5668\u5e93\uff0c\u652f\u6301\u591a\u79cd\u8c03\u5ea6\u65b9\u5f0f\uff0c\u5305\u62ec\u56fa\u5b9a\u95f4\u9694\u3001\u7279\u5b9a\u65f6\u95f4\u70b9\u7b49\u3002<strong>\u4f7f\u7528<code>APScheduler<\/code>\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u590d\u6742\u7684\u8c03\u5ea6\u903b\u8f91\uff0c\u4f46\u9700\u8981\u989d\u5916\u5b89\u88c5\u548c\u5b66\u4e60\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b9e\u73b0\u4ee3\u7801\u7684\u95f4\u9694\u8fd0\u884c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4f9b\u9009\u62e9\uff0c\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4f60\u7684\u5177\u4f53\u9700\u6c42\u3002<strong>\u5bf9\u4e8e\u7b80\u5355\u7684\u4efb\u52a1\uff0c<code>time.sleep()<\/code>\u662f\u4e00\u4e2a\u5feb\u901f\u800c\u7b80\u5355\u7684\u9009\u62e9\uff1b\u5bf9\u4e8e\u9700\u8981\u66f4\u5927\u7075\u6d3b\u6027\u7684\u4efb\u52a1\uff0c<code>sched<\/code>\u6a21\u5757\u6216\u7ebf\u7a0b\u53ef\u80fd\u66f4\u5408\u9002\uff1b\u5bf9\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5f02\u6b65\u7f16\u7a0b\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\uff1b\u800c\u5bf9\u4e8e\u590d\u6742\u7684\u8c03\u5ea6\u9700\u6c42\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982<code>APScheduler<\/code>\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/strong>\u4e86\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\uff0c\u5e76\u6839\u636e\u4f60\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u9ad8\u6548\u5730\u5b9e\u73b0Python\u4ee3\u7801\u7684\u95f4\u9694\u8fd0\u884c\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u4ee3\u7801\u7684\u95f4\u9694\u8fd0\u884c\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>time<\/code>\u6a21\u5757\u4e2d\u7684<code>sleep()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u4ee3\u7801\u7684\u95f4\u9694\u8fd0\u884c\u3002\u901a\u8fc7\u5728\u9700\u8981\u7684\u5730\u65b9\u8c03\u7528<code>sleep()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u7a0b\u5e8f\u6682\u505c\u6267\u884c\u4e00\u5b9a\u7684\u65f6\u95f4\u3002\u4f8b\u5982\uff0c<code>time.sleep(5)<\/code>\u4f1a\u4f7f\u7a0b\u5e8f\u6682\u505c5\u79d2\u3002\u7ed3\u5408\u5faa\u73af\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5b9a\u671f\u6267\u884c\u67d0\u6bb5\u4ee3\u7801\u7684\u6548\u679c\u3002<\/p>\n<p><strong>\u4f7f\u7528\u5b9a\u65f6\u4efb\u52a1\u5e93\u662f\u5426\u66f4\u6709\u6548\uff1f<\/strong><br \/>\u662f\u7684\uff0c\u9664\u4e86\u4f7f\u7528<code>sleep()<\/code>\u51fd\u6570\u5916\uff0cPython\u8fd8\u6709\u4e00\u4e9b\u5b9a\u65f6\u4efb\u52a1\u5e93\uff0c\u5982<code>schedule<\/code>\u548c<code>APScheduler<\/code>\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u548c\u5f3a\u5927\u7684\u8c03\u5ea6\u529f\u80fd\uff0c\u53ef\u4ee5\u8bbe\u5b9a\u5177\u4f53\u7684\u65f6\u95f4\u95f4\u9694\u3001\u6bcf\u5929\u6267\u884c\u3001\u6bcf\u5468\u6267\u884c\u7b49\uff0c\u9002\u5408\u9700\u8981\u590d\u6742\u8c03\u5ea6\u7684\u573a\u666f\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u95f4\u9694\u8fd0\u884c\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5\uff1f<\/strong><br \/>\u5728\u95f4\u9694\u8fd0\u884c\u7684\u4ee3\u7801\u4e2d\uff0c\u5f02\u5e38\u5904\u7406\u975e\u5e38\u91cd\u8981\u3002\u53ef\u4ee5\u4f7f\u7528<code>try-except<\/code>\u5757\u6765\u6355\u83b7\u5e76\u5904\u7406\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\uff0c\u786e\u4fdd\u7a0b\u5e8f\u5728\u9047\u5230\u5f02\u5e38\u65f6\u4e0d\u4f1a\u4e2d\u65ad\u3002\u4f8b\u5982\uff0c\u5728\u4ee3\u7801\u6267\u884c\u8fc7\u7a0b\u4e2d\u5982\u679c\u51fa\u73b0\u4e86\u9519\u8bef\uff0c\u53ef\u4ee5\u8bb0\u5f55\u65e5\u5fd7\u6216\u8005\u53d1\u9001\u901a\u77e5\uff0c\u4ee5\u4fbf\u540e\u7eed\u5904\u7406\u3002\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u5373\u4f7f\u53d1\u751f\u95ee\u9898\uff0c\u7a0b\u5e8f\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u6309\u7167\u8bbe\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u5728Python\u4e2d\u5b9e\u73b0\u4ee3\u7801\u7684\u95f4\u9694\u8fd0\u884c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528time.sleep()\u51fd\u6570\u3001sched\u6a21\u5757\u3001\u4ee5\u53ca\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65 [&hellip;]","protected":false},"author":3,"featured_media":999956,"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\/999951"}],"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=999951"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/999951\/revisions"}],"predecessor-version":[{"id":999959,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/999951\/revisions\/999959"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/999956"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=999951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=999951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=999951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}