{"id":1050809,"date":"2024-12-31T14:11:04","date_gmt":"2024-12-31T06:11:04","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1050809.html"},"modified":"2024-12-31T14:11:07","modified_gmt":"2024-12-31T06:11:07","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e9%87%8d%e5%a4%8d%e4%b8%80%e4%b8%aa%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1050809.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u91cd\u590d\u4e00\u4e2a\u7a0b\u5e8f"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u91cd\u590d\u4e00\u4e2a\u7a0b\u5e8f\"<\/p>\n

\u5728Python\u4e2d\u91cd\u590d\u4e00\u4e2a\u7a0b\u5e8f\u6709\u51e0\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\uff08\u5982for\u5faa\u73af\u548cwhile\u5faa\u73af\uff09\u3001\u9012\u5f52\u51fd\u6570\u8c03\u7528\u3001\u4ee5\u53ca\u901a\u8fc7\u8c03\u5ea6\u4efb\u52a1\u6765\u5b9a\u671f\u8fd0\u884c\u7a0b\u5e8f\u3002<\/strong> \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5faa\u73af\u7ed3\u6784<\/p>\n<\/p>\n

    \n
  1. For\u5faa\u73af<\/li>\n<\/ol>\n

    \u4f7f\u7528for\u5faa\u73af\u6765\u91cd\u590d\u6267\u884c\u67d0\u4e2a\u7a0b\u5e8f\u662f\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u91cd\u590d\u6267\u884c\u56fa\u5b9a\u6b21\u6570\u7684\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7a0b\u5e8f\uff0c\u5b83\u5c06\u67d0\u4e2a\u64cd\u4f5c\u91cd\u590d\u6267\u884c10\u6b21\uff1a<\/p>\n<\/p>\n

    for i in range(10):<\/p>\n
        print("This is repetition number", i + 1)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0crange(10)<\/code>\u751f\u6210\u4e00\u4e2a\u4ece0\u52309\u7684\u6570\u5b57\u5e8f\u5217\uff0cfor<\/code>\u5faa\u73af\u5c06\u4f1a\u904d\u5386\u8fd9\u4e2a\u5e8f\u5217\u5e76\u6267\u884c\u5faa\u73af\u4f53\u4e2d\u7684\u4ee3\u7801\u3002\u6bcf\u6b21\u8fed\u4ee3\u65f6\uff0ci<\/code>\u7684\u503c\u4f1a\u589e\u52a01\uff0c\u76f4\u5230\u8fbe\u5230\u4e0a\u965010\u3002<\/p>\n<\/p>\n
      \n
    1. While\u5faa\u73af<\/li>\n<\/ol>\n
      \u4f7f\u7528while\u5faa\u73af\u5219\u9002\u7528\u4e8e\u9700\u8981\u5728\u67d0\u4e2a\u6761\u4ef6\u6ee1\u8db3\u4e4b\u524d\u4e00\u76f4\u91cd\u590d\u6267\u884c\u64cd\u4f5c\u7684\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7a0b\u5e8f\uff0c\u5b83\u4f1a\u4e00\u76f4\u91cd\u590d\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\uff0c\u76f4\u5230\u7528\u6237\u8f93\u5165'quit'\uff1a<\/p>\n<\/p>\n
      user_input = ""<\/p>\n
      while user_input != "quit":<\/p>\n
          user_input = input("Type 'quit' to stop: ")<\/p>\n
          print("You typed:", user_input)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cwhile<\/code>\u5faa\u73af\u4f1a\u4e00\u76f4\u6267\u884c\u5faa\u73af\u4f53\u4e2d\u7684\u4ee3\u7801\uff0c\u76f4\u5230\u7528\u6237\u8f93\u5165'quit'\u3002input()<\/code>\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u7528\u6237\u8f93\u5165\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9user_input<\/code>\u53d8\u91cf\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001\u9012\u5f52\u51fd\u6570\u8c03\u7528<\/p>\n<\/p>\n
      \u9012\u5f52\u662f\u4e00\u79cd\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u7684\u7f16\u7a0b\u6280\u5de7\uff0c\u9002\u7528\u4e8e\u67d0\u4e9b\u7279\u5b9a\u7684\u91cd\u590d\u6027\u4efb\u52a1\uff0c\u5982\u8ba1\u7b97\u9636\u4e58\u6216\u6590\u6ce2\u90a3\u5951\u6570\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7a0b\u5e8f\uff0c\u4f7f\u7528\u9012\u5f52\u6765\u8ba1\u7b97\u9636\u4e58\uff1a<\/p>\n<\/p>\n
      def factorial(n):<\/p>\n
          if n == 0:<\/p>\n
              return 1<\/p>\n
          else:<\/p>\n
              return n * factorial(n - 1)<\/p>\n
      print(factorial(5))<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cfactorial<\/code>\u51fd\u6570\u4f1a\u8c03\u7528\u81ea\u8eab\uff0c\u76f4\u5230\u53c2\u6570n<\/code>\u4e3a0\u4e3a\u6b62\u3002\u6bcf\u6b21\u9012\u5f52\u8c03\u7528\u65f6\uff0cn<\/code>\u7684\u503c\u4f1a\u51cf\u5c111\uff0c\u76f4\u5230\u8fbe\u5230\u57fa\u51c6\u60c5\u51b5\uff08n<\/code>\u4e3a0\uff09\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u76f4\u89c2\uff0c\u4f46\u5728\u5904\u7406\u5927\u89c4\u6a21\u9012\u5f52\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6808\u6ea2\u51fa\u9519\u8bef\u3002<\/p>\n<\/p>\n
      \u4e09\u3001\u8c03\u5ea6\u4efb\u52a1<\/p>\n<\/p>\n
      \u4f7f\u7528\u8c03\u5ea6\u4efb\u52a1\u7684\u65b9\u6cd5\u6765\u5b9a\u671f\u8fd0\u884c\u7a0b\u5e8f\uff0c\u901a\u5e38\u9002\u7528\u4e8e\u9700\u8981\u5728\u7279\u5b9a\u65f6\u95f4\u95f4\u9694\u5185\u91cd\u590d\u6267\u884c\u7684\u4efb\u52a1\u3002Python\u4e2d\u6709\u591a\u4e2a\u5e93\u53ef\u4ee5\u7528\u4e8e\u8c03\u5ea6\u4efb\u52a1\uff0c\u5982time<\/code>\u3001sched<\/code>\u548cAPScheduler<\/code>\u3002<\/p>\n<\/p>\n
        \n
      1. \u4f7f\u7528time\u6a21\u5757<\/li>\n<\/ol>\n
        import time<\/p>\n
        def repeat_program():<\/p>\n
            while True:<\/p>\n
                print("This program repeats every 5 seconds")<\/p>\n
                time.sleep(5)<\/p>\n
        repeat_program()<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0ctime.sleep(5)<\/code>\u4f1a\u4f7f\u7a0b\u5e8f\u6682\u505c5\u79d2\uff0c\u7136\u540e\u7ee7\u7eed\u6267\u884c\u5faa\u73af\u4f53\u4e2d\u7684\u4ee3\u7801\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5b9a\u65f6\u4efb\u52a1\u3002<\/p>\n<\/p>\n
          \n
        1. \u4f7f\u7528APScheduler\u5e93<\/li>\n<\/ol>\n
          APScheduler<\/code>\uff08Advanced Python Scheduler\uff09\u662f\u4e00\u4e2a\u66f4\u9ad8\u7ea7\u7684\u5e93\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u8c03\u5ea6\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7a0b\u5e8f\uff0c\u4f7f\u7528APScheduler<\/code>\u6765\u6bcf\u96945\u79d2\u91cd\u590d\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n
          from apscheduler.schedulers.blocking import BlockingScheduler<\/p>\n
          def repeat_program():<\/p>\n
              print("This program repeats every 5 seconds")<\/p>\n
          scheduler = BlockingScheduler()<\/p>\n
          scheduler.add_job(repeat_program, 'interval', seconds=5)<\/p>\n
          scheduler.start()<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cBlockingScheduler<\/code>\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u8c03\u5ea6\u5668\uff0cadd_job<\/code>\u65b9\u6cd5\u7528\u4e8e\u6dfb\u52a0\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\uff0c'interval'<\/code>\u53c2\u6570\u6307\u5b9a\u4efb\u52a1\u7684\u95f4\u9694\u65f6\u95f4\u4e3a5\u79d2\u3002scheduler.start()<\/code>\u4f1a\u542f\u52a8\u8c03\u5ea6\u5668\u5e76\u5f00\u59cb\u6267\u884c\u4efb\u52a1\u3002<\/p>\n<\/p>\n
          \u56db\u3001\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n
            \n
          1. \u6570\u636e\u91c7\u96c6<\/li>\n<\/ol>\n
            \u5728\u6570\u636e\u91c7\u96c6\u548c\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u5e38\u5e38\u9700\u8981\u5b9a\u671f\u4ece\u6570\u636e\u6e90\u91c7\u96c6\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u6765\u5b9e\u73b0\u5b9a\u65f6\u91c7\u96c6\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u4f7f\u7528APScheduler<\/code>\u6765\u6bcf\u96941\u5c0f\u65f6\u91c7\u96c6\u4e00\u6b21\u6570\u636e\uff1a<\/p>\n<\/p>\n
            from apscheduler.schedulers.blocking import BlockingScheduler<\/p>\n
            import requests<\/p>\n
            def collect_data():<\/p>\n
                response = requests.get("https:\/\/api.example.com\/data")<\/p>\n
                data = response.json()<\/p>\n
                print("Collected data:", data)<\/p>\n
            scheduler = BlockingScheduler()<\/p>\n
            scheduler.add_job(collect_data, 'interval', hours=1)<\/p>\n
            scheduler.start()<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. \u81ea\u52a8\u5907\u4efd<\/li>\n<\/ol>\n
              \u5728\u81ea\u52a8\u5907\u4efd\u7cfb\u7edf\u4e2d\uff0c\u5b9a\u671f\u5907\u4efd\u6570\u636e\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528time<\/code>\u6a21\u5757\u6765\u6bcf\u9694\u4e00\u5929\u5907\u4efd\u4e00\u6b21\u6570\u636e\uff1a<\/p>\n<\/p>\n
              import time<\/p>\n
              import shutil<\/p>\n
              def backup_data():<\/p>\n
                  source = "\/path\/to\/source"<\/p>\n
                  destination = "\/path\/to\/destination"<\/p>\n
                  shutil.copytree(source, destination)<\/p>\n
                  print("Backup completed")<\/p>\n
              while True:<\/p>\n
                  backup_data()<\/p>\n
                  time.sleep(86400)  # Sleep for 24 hours (86400 seconds)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
                \n
              1. \u5b9a\u65f6\u63d0\u9192<\/li>\n<\/ol>\n
                \u5728\u4e00\u4e9b\u63d0\u9192\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u6216\u8c03\u5ea6\u4efb\u52a1\u6765\u5b9e\u73b0\u5b9a\u65f6\u63d0\u9192\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528while<\/code>\u5faa\u73af\u6765\u6bcf\u969430\u5206\u949f\u53d1\u9001\u4e00\u6b21\u63d0\u9192\uff1a<\/p>\n<\/p>\n
                import time<\/p>\n
                def send_reminder():<\/p>\n
                    print("Time to take a break!")<\/p>\n
                while True:<\/p>\n
                    send_reminder()<\/p>\n
                    time.sleep(1800)  # Sleep for 30 minutes (1800 seconds)<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u603b\u7ed3<\/strong><\/p>\n<\/p>\n
                \u5728Python\u4e2d\u91cd\u590d\u4e00\u4e2a\u7a0b\u5e8f\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528for\u5faa\u73af\u3001while\u5faa\u73af\u3001\u9012\u5f52\u51fd\u6570\u8c03\u7528\u3001\u4ee5\u53ca\u8c03\u5ea6\u4efb\u52a1\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u7a0b\u5e8f\u7684\u91cd\u590d\u6267\u884c\u3002<\/p>\n<\/p>\n
                \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                 \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u7a0b\u5e8f\u7684\u91cd\u590d\u8fd0\u884c\uff1f<\/strong>
                \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u7ed3\u6784\u6765\u5b9e\u73b0\u7a0b\u5e8f\u7684\u91cd\u590d\u8fd0\u884c\u3002\u5e38\u89c1\u7684\u5faa\u73af\u6709for<\/code>\u5faa\u73af\u548cwhile<\/code>\u5faa\u73af\u3002\u901a\u8fc7\u8bbe\u7f6e\u6761\u4ef6\uff0c\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u5728\u6ee1\u8db3\u6761\u4ef6\u65f6\u6301\u7eed\u6267\u884c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528while True<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\uff0c\u6216\u8005\u4f7f\u7528for<\/code>\u5faa\u73af\u904d\u5386\u7279\u5b9a\u6b21\u6570\u3002\u8bb0\u5f97\u5728\u9002\u5f53\u7684\u5730\u65b9\u52a0\u5165break<\/code>\u8bed\u53e5\u6765\u9000\u51fa\u5faa\u73af\uff0c\u4ee5\u907f\u514d\u7a0b\u5e8f\u65e0\u9650\u8fd0\u884c\u3002<\/p>\n
                \u5728Python\u4e2d\u5982\u4f55\u63a7\u5236\u91cd\u590d\u7684\u6b21\u6570\uff1f<\/strong>
                \u5982\u679c\u5e0c\u671b\u7a0b\u5e8f\u91cd\u590d\u7279\u5b9a\u7684\u6b21\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528for<\/code>\u5faa\u73af\u7ed3\u5408range()<\/code>\u51fd\u6570\u3002\u4f8b\u5982\uff0cfor i in range(5):<\/code>\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u91cd\u590d\u6267\u884c5\u6b21\u3002\u5728\u6bcf\u6b21\u5faa\u73af\u4e2d\uff0c\u53ef\u4ee5\u653e\u7f6e\u9700\u8981\u6267\u884c\u7684\u4ee3\u7801\u5757\uff0c\u8fd9\u6837\u5c31\u80fd\u6709\u6548\u5730\u63a7\u5236\u7a0b\u5e8f\u6267\u884c\u7684\u6b21\u6570\u3002<\/p>\n
                \u5982\u4f55\u4f7f\u7528\u51fd\u6570\u6765\u5b9e\u73b0\u7a0b\u5e8f\u7684\u91cd\u590d\u8fd0\u884c\uff1f<\/strong>
                \u901a\u8fc7\u5c06\u7a0b\u5e8f\u7684\u6838\u5fc3\u903b\u8f91\u5c01\u88c5\u5728\u4e00\u4e2a\u51fd\u6570\u4e2d\uff0c\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u91cd\u590d\u8c03\u7528\u3002\u5728\u51fd\u6570\u5185\u53ef\u4ee5\u6dfb\u52a0\u53c2\u6570\uff0c\u4ee5\u4fbf\u4e8e\u5728\u6bcf\u6b21\u8c03\u7528\u65f6\u4f20\u9012\u4e0d\u540c\u7684\u503c\u3002\u53ef\u4ee5\u901a\u8fc7\u5728\u5faa\u73af\u4e2d\u8c03\u7528\u8be5\u51fd\u6570\u6765\u5b9e\u73b0\u7a0b\u5e8f\u7684\u91cd\u590d\u8fd0\u884c\uff0c\u8fd9\u6837\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u8fd8\u4fbf\u4e8e\u7ef4\u62a4\u548c\u8c03\u8bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u91cd\u590d\u4e00\u4e2a\u7a0b\u5e8f\u6709\u51e0\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\uff08\u5982for\u5faa\u73af\u548cwhile\u5faa\u73af\uff09\u3001\u9012\u5f52\u51fd\u6570\u8c03\u7528\u3001\u4ee5\u53ca […]","protected":false},"author":3,"featured_media":1050816,"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\/1050809"}],"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=1050809"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1050809\/revisions"}],"predecessor-version":[{"id":1050817,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1050809\/revisions\/1050817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1050816"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1050809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1050809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1050809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}