{"id":991085,"date":"2024-12-27T08:25:38","date_gmt":"2024-12-27T00:25:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/991085.html"},"modified":"2024-12-27T08:25:41","modified_gmt":"2024-12-27T00:25:41","slug":"python%e5%a6%82%e4%bd%95%e7%bb%99%e5%be%aa%e7%8e%af%e5%ae%9a%e6%97%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/991085.html","title":{"rendered":"python\u5982\u4f55\u7ed9\u5faa\u73af\u5b9a\u65f6"},"content":{"rendered":"

\"python\u5982\u4f55\u7ed9\u5faa\u73af\u5b9a\u65f6\"<\/p>\n

\u5728Python\u4e2d\u7ed9\u5faa\u73af\u5b9a\u65f6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u7528\u7684\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a\u4f7f\u7528time.sleep()\u51fd\u6570\u3001\u4f7f\u7528sched\u6a21\u5757\u3001\u4f7f\u7528\u7ebf\u7a0b\u548cTimer\u7c7b<\/strong>\u3002\u5176\u4e2d\uff0ctime.sleep()<\/code>\u662f\u6700\u7b80\u5355\u548c\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u66f4\u9ad8\u7ea7\u7684\u65b9\u6cd5\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5b9e\u7528\u7684\u4f8b\u5b50\u548c\u5efa\u8bae\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528TIME.SLEEP()\u51fd\u6570<\/p>\n<\/p>\n

time.sleep()<\/code>\u662fPython\u4e2d\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u5faa\u73af\u5b9a\u65f6\u7684\u65b9\u6cd5\u3002\u5b83\u4f1a\u4f7f\u7a0b\u5e8f\u6682\u505c\u6307\u5b9a\u7684\u65f6\u95f4\uff0c\u7136\u540e\u7ee7\u7eed\u6267\u884c\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u7b80\u5355\u7684\u4efb\u52a1\u8c03\u5ea6\u3002<\/p>\n<\/p>\n

    \n
  1. \u57fa\u672c\u4f7f\u7528\u65b9\u6cd5<\/li>\n<\/ol>\n

    time.sleep()<\/code>\u51fd\u6570\u662f\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u6682\u505c\u5f53\u524d\u7ebf\u7a0b\u7684\u6267\u884c\u3002\u5b83\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u6307\u5b9a\u4e86\u7a0b\u5e8f\u6682\u505c\u7684\u65f6\u95f4\uff08\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

    import time<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task {i} is running")<\/p>\n
        time.sleep(2)  # \u6682\u505c2\u79d2<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u6bcf\u96942\u79d2\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\u4e2d\u7684\u4ee3\u7801\u3002time.sleep()<\/code>\u7684\u4f18\u70b9\u5728\u4e8e\u7b80\u5355\u6613\u7528\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u4f8b\u5982\u65e0\u6cd5\u7cbe\u786e\u63a7\u5236\u6682\u505c\u65f6\u95f4\uff0c\u56e0\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u8c03\u5ea6\u4f1a\u5f71\u54cd\u5230\u5b9e\u9645\u7684\u6682\u505c\u65f6\u957f\u3002<\/p>\n<\/p>\n
      \n
    1. \u4f7f\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ol>\n
      time.sleep()<\/code>\u9002\u7528\u4e8e\u90a3\u4e9b\u4e0d\u9700\u8981\u7cbe\u786e\u63a7\u5236\u65f6\u95f4\u7684\u7b80\u5355\u4efb\u52a1\u573a\u666f\uff0c\u6bd4\u5982\u5b9a\u65f6\u6253\u5370\u65e5\u5fd7\u3001\u5b9a\u65f6\u68c0\u67e5\u6587\u4ef6\u66f4\u65b0\u7b49\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0ctime.sleep()<\/code>\u4f1a\u963b\u585e\u5f53\u524d\u7ebf\u7a0b\uff0c\u8fd9\u610f\u5473\u7740\u5728\u6682\u505c\u671f\u95f4\uff0c\u7a0b\u5e8f\u65e0\u6cd5\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002\u5982\u679c\u5728\u4e00\u4e2a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\u4f7f\u7528time.sleep()<\/code>\uff0c\u5b83\u53ea\u4f1a\u5f71\u54cd\u5f53\u524d\u7ebf\u7a0b\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u7ebf\u7a0b\u7684\u6267\u884c\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001\u4f7f\u7528SCHED\u6a21\u5757<\/p>\n<\/p>\n
      sched<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u52a0\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u8c03\u5ea6\u4efb\u52a1\u3002\u5b83\u652f\u6301\u5ef6\u8fdf\u6267\u884c\u4efb\u52a1\uff0c\u5e76\u5141\u8bb8\u5728\u5ef6\u8fdf\u671f\u95f4\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002<\/p>\n<\/p>\n
        \n
      1. \u57fa\u672c\u7528\u6cd5<\/li>\n<\/ol>\n
        sched<\/code>\u6a21\u5757\u7684\u6838\u5fc3\u662fscheduler<\/code>\u7c7b\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u4e8b\u4ef6\u8c03\u5ea6\u5668\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528scheduler.enter()<\/code>\u65b9\u6cd5\u6765\u5b89\u6392\u4e00\u4e2a\u4efb\u52a1\uff0c\u5e76\u6307\u5b9a\u8be5\u4efb\u52a1\u7684\u5ef6\u8fdf\u65f6\u95f4\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
        import sched<\/p>\n
        import time<\/p>\n
        s = sched.scheduler(time.time, time.sleep)<\/p>\n
        def print_task(name):<\/p>\n
            print(f"Task {name} is running at {time.time()}")<\/p>\n
        \u5b9a\u4e49\u4efb\u52a1<\/strong><\/h2>\n
        s.enter(2, 1, print_task, argument=('A',))<\/p>\n
        s.enter(4, 1, print_task, argument=('B',))<\/p>\n
        \u8fd0\u884c\u8c03\u5ea6\u5668<\/strong><\/h2>\n
        s.run()<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4efb\u52a1"A"\u5c06\u57282\u79d2\u540e\u6267\u884c\uff0c\u4efb\u52a1"B"\u5c06\u57284\u79d2\u540e\u6267\u884c\u3002\u8c03\u5ea6\u5668\u4f1a\u6309\u7167\u4efb\u52a1\u7684\u5ef6\u8fdf\u65f6\u95f4\u987a\u5e8f\u6267\u884c\u4efb\u52a1\u3002<\/p>\n<\/p>\n
          \n
        1. \u4f7f\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ol>\n
          sched<\/code>\u6a21\u5757\u9002\u7528\u4e8e\u9700\u8981\u8c03\u5ea6\u591a\u4e2a\u4efb\u52a1\uff0c\u5e76\u4e14\u9700\u8981\u5728\u4efb\u52a1\u4e4b\u95f4\u6267\u884c\u5176\u4ed6\u64cd\u4f5c\u7684\u573a\u666f\u3002\u5b83\u7684\u4e3b\u8981\u4f18\u70b9\u662f\u7075\u6d3b\uff0c\u53ef\u4ee5\u5728\u8c03\u5ea6\u671f\u95f4\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002\u7136\u800c\uff0c\u7531\u4e8esched<\/code>\u6a21\u5757\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u56e0\u6b64\u5728\u4efb\u52a1\u6267\u884c\u671f\u95f4\uff0c\u8c03\u5ea6\u5668\u4f1a\u88ab\u963b\u585e\u3002<\/p>\n<\/p>\n
          \u4e09\u3001\u4f7f\u7528\u7ebf\u7a0b\u548cTIMER\u7c7b<\/p>\n<\/p>\n
          \u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528threading<\/code>\u6a21\u5757\u4e2d\u7684Timer<\/code>\u7c7b\u6765\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u3002Timer<\/code>\u7c7b\u5141\u8bb8\u6211\u4eec\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u540e\u6267\u884c\u4e00\u4e2a\u51fd\u6570\u3002<\/p>\n<\/p>\n
            \n
          1. \u57fa\u672c\u7528\u6cd5<\/li>\n<\/ol>\n
            Timer<\/code>\u7c7b\u662fthreading<\/code>\u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u7c7b\uff0c\u7528\u4e8e\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u540e\u6267\u884c\u4e00\u4e2a\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Timer.start()<\/code>\u65b9\u6cd5\u6765\u542f\u52a8\u5b9a\u65f6\u4efb\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
            import threading<\/p>\n
            def print_task(name):<\/p>\n
                print(f"Task {name} is running")<\/p>\n
            \u521b\u5efa\u5b9a\u65f6\u4efb\u52a1<\/strong><\/h2>\n
            timer1 = threading.Timer(2, print_task, args=('A',))<\/p>\n
            timer2 = threading.Timer(4, print_task, args=('B',))<\/p>\n
            \u542f\u52a8\u5b9a\u65f6\u4efb\u52a1<\/strong><\/h2>\n
            timer1.start()<\/p>\n
            timer2.start()<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4efb\u52a1"A"\u5c06\u57282\u79d2\u540e\u6267\u884c\uff0c\u4efb\u52a1"B"\u5c06\u57284\u79d2\u540e\u6267\u884c\u3002Timer<\/code>\u7c7b\u4f1a\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u540e\u6267\u884c\u4efb\u52a1\uff0c\u5e76\u4e14\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<\/p>\n
              \n
            1. \u4f7f\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ol>\n
              Timer<\/code>\u7c7b\u9002\u7528\u4e8e\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u9700\u8981\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\u7684\u573a\u666f\u3002\u5b83\u7684\u4f18\u70b9\u662f\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u5141\u8bb8\u5728\u4efb\u52a1\u6267\u884c\u671f\u95f4\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u64cd\u4f5c\u3002\u7136\u800c\uff0cTimer<\/code>\u7c7b\u7684\u7cbe\u5ea6\u4f9d\u8d56\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u8c03\u5ea6\uff0c\u56e0\u6b64\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u65e0\u6cd5\u8fbe\u5230\u7cbe\u786e\u7684\u5b9a\u65f6\u6548\u679c\u3002<\/p>\n<\/p>\n
              \u56db\u3001\u4f7f\u7528APScheduler\u6a21\u5757<\/p>\n<\/p>\n
              \u5bf9\u4e8e\u66f4\u52a0\u590d\u6742\u7684\u8c03\u5ea6\u4efb\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93APScheduler<\/code>\u3002\u8fd9\u4e2a\u5e93\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u4efb\u52a1\u8c03\u5ea6\u5668\uff0c\u652f\u6301\u591a\u79cd\u8c03\u5ea6\u7b56\u7565\u3002<\/p>\n<\/p>\n
                \n
              1. \u57fa\u672c\u7528\u6cd5<\/li>\n<\/ol>\n
                APScheduler<\/code>\u652f\u6301\u57fa\u4e8e\u65f6\u95f4\u95f4\u9694\u3001\u7279\u5b9a\u65f6\u95f4\u70b9\u4ee5\u53ca\u590d\u6742\u7684Cron\u8868\u8fbe\u5f0f\u7684\u4efb\u52a1\u8c03\u5ea6\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
                from apscheduler.schedulers.blocking import BlockingScheduler<\/p>\n
                import time<\/p>\n
                def print_task(name):<\/p>\n
                    print(f"Task {name} is running at {time.strftime('%Y-%m-%d %H:%M:%S')}")<\/p>\n
                scheduler = BlockingScheduler()<\/p>\n
                \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/strong><\/h2>\n
                scheduler.add_job(print_task, 'interval', seconds=2, args=['A'])<\/p>\n
                \u542f\u52a8\u8c03\u5ea6\u5668<\/strong><\/h2>\n
                scheduler.start()<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4efb\u52a1"A"\u4f1a\u6bcf\u96942\u79d2\u6267\u884c\u4e00\u6b21\u3002APScheduler<\/code>\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8c03\u5ea6\u9009\u9879\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u8c03\u5ea6\u7b56\u7565\u3002<\/p>\n<\/p>\n
                  \n
                1. \u4f7f\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ol>\n
                  APScheduler<\/code>\u9002\u7528\u4e8e\u9700\u8981\u590d\u6742\u8c03\u5ea6\u7b56\u7565\u7684\u573a\u666f\uff0c\u5982\u9700\u8981\u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u6267\u884c\u4efb\u52a1\uff0c\u6216\u8005\u9700\u8981\u652f\u6301\u4efb\u52a1\u7684\u6301\u4e45\u5316\u548c\u6062\u590d\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cAPScheduler<\/code>\u662f\u4e00\u4e2a\u7b2c\u4e09\u65b9\u5e93\uff0c\u4f7f\u7528\u524d\u9700\u8981\u5b89\u88c5\u76f8\u5173\u4f9d\u8d56\u3002<\/p>\n<\/p>\n
                  \u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                  \u5728Python\u4e2d\u5b9e\u73b0\u5faa\u73af\u5b9a\u65f6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\u9009\u62e9\uff0c\u4ece\u7b80\u5355\u7684time.sleep()<\/code>\u5230\u529f\u80fd\u5f3a\u5927\u7684APScheduler<\/code>\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u4f7f\u7528\u573a\u666f\u548c\u9700\u6c42\uff1a\u5bf9\u4e8e\u7b80\u5355\u7684\u5b9a\u65f6\u4efb\u52a1\uff0c\u4f7f\u7528time.sleep()<\/code>\u662f\u6700\u5feb\u6377\u7684\u65b9\u5f0f\uff1b\u5bf9\u4e8e\u9700\u8981\u8c03\u5ea6\u591a\u4e2a\u4efb\u52a1\u7684\u573a\u666f\uff0csched<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\uff1b\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\uff0cTimer<\/code>\u7c7b\u5141\u8bb8\u5728\u4e0d\u963b\u585e\u4e3b\u7ebf\u7a0b\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\uff1b\u5bf9\u4e8e\u590d\u6742\u7684\u8c03\u5ea6\u9700\u6c42\uff0cAPScheduler<\/code>\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7075\u6d3b\u6027<\/strong>\u3002\u5728\u9009\u62e9\u5177\u4f53\u65b9\u6cd5\u65f6\uff0c\u5e94\u8003\u8651\u4efb\u52a1\u7684\u590d\u6742\u6027\u3001\u7cfb\u7edf\u8d44\u6e90\u7684\u6d88\u8017\u4ee5\u53ca\u5bf9\u7cbe\u5ea6\u7684\u8981\u6c42\u3002<\/p>\n<\/p>\n
                  \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                   \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u5faa\u73af\u5b9a\u65f6\uff1f<\/strong>
                  \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528time<\/code>\u6a21\u5757\u7684sleep()<\/code>\u51fd\u6570\u6765\u5b9a\u65f6\u6267\u884c\u5faa\u73af\u3002\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u60a8\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e4b\u95f4\u8bbe\u5b9a\u4e00\u4e2a\u65f6\u95f4\u95f4\u9694\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728\u5faa\u73af\u4f53\u5185\u8c03\u7528sleep(\u79d2\u6570)<\/code>\uff0c\u4ee5\u6682\u505c\u7a0b\u5e8f\u6267\u884c\u6307\u5b9a\u7684\u79d2\u6570\u3002\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u63a7\u5236\u6bcf\u6b21\u5faa\u73af\u7684\u95f4\u9694\u65f6\u95f4\u3002<\/p>\n
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                  \u9664\u4e86\u4f7f\u7528time.sleep()<\/code>\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8c03\u5ea6\u5e93\uff0c\u5982schedule<\/code>\u6216APScheduler<\/code>\uff0c\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u5b9a\u65f6\u4efb\u52a1\u3002\u8fd9\u4e9b\u5e93\u5141\u8bb8\u60a8\u6839\u636e\u7279\u5b9a\u7684\u65f6\u95f4\u8868\u6267\u884c\u4efb\u52a1\uff0c\u800c\u4e0d\u9700\u8981\u624b\u52a8\u7ba1\u7406\u5faa\u73af\u3002schedule<\/code>\u5e93\u9002\u5408\u7b80\u5355\u7684\u5b9a\u65f6\u4efb\u52a1\uff0c\u800cAPScheduler<\/code>\u5219\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u5305\u62ec\u6301\u4e45\u5316\u548c\u591a\u7ebf\u7a0b\u652f\u6301\u3002<\/p>\n
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