{"id":989764,"date":"2024-12-27T08:14:24","date_gmt":"2024-12-27T00:14:24","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/989764.html"},"modified":"2024-12-27T08:14:27","modified_gmt":"2024-12-27T00:14:27","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e6%97%a5%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/989764.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5b9e\u73b0\u65e5\u671f"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5b9e\u73b0\u65e5\u671f\"<\/p>\n

\u5728Python\u4e2d\u5b9e\u73b0\u65e5\u671f\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528datetime\u6a21\u5757\u3001time\u6a21\u5757\u3001\u7b2c\u4e09\u65b9\u5e93dateutil\u3001pytz\u7b49\u5de5\u5177\u3002datetime\u6a21\u5757\u662fPython\u5185\u7f6e\u7684\u6a21\u5757\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u65e5\u671f\u548c\u65f6\u95f4\u7684\u64cd\u4f5c\uff0ctime\u6a21\u5757\u5219\u63d0\u4f9b\u4e86\u65f6\u95f4\u76f8\u5173\u7684\u529f\u80fd\uff0cdateutil\u548cpytz\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406\u65f6\u533a\u548c\u65e5\u671f\u89e3\u6790\u3002<\/strong> \u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0cdatetime\u6a21\u5757\u662f\u6700\u5e38\u7528\u7684\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u548c\u7b80\u5355\u7684\u63a5\u53e3\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u6765\u5b9e\u73b0\u65e5\u671f\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e00\u3001DATETIME\u6a21\u5757<\/p>\n<\/p>\n

datetime\u6a21\u5757\u662fPython\u5185\u7f6e\u7684\u6a21\u5757\uff0c\u4e13\u95e8\u7528\u4e8e\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u3002\u5b83\u63d0\u4f9b\u4e86datetime\u3001date\u3001time\u3001timedelta\u7b49\u7c7b\uff0c\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u3001\u64cd\u4f5c\u548c\u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/p>\n<\/p>\n

    \n
  1. \u521b\u5efa\u65e5\u671f\u5bf9\u8c61<\/li>\n<\/ol>\n

    \u8981\u521b\u5efa\u4e00\u4e2a\u65e5\u671f\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528datetime\u6a21\u5757\u4e2d\u7684date\u7c7b\u3002\u6211\u4eec\u9700\u8981\u63d0\u4f9b\u5e74\u3001\u6708\u3001\u65e5\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<\/p>\n

    from datetime import date<\/p>\n
    \u521b\u5efa\u4e00\u4e2a\u65e5\u671f\u5bf9\u8c61<\/strong><\/h2>\n
    today = date.today()<\/p>\n
    print("Today's date:", today)<\/p>\n
    specific_date = date(2023, 10, 31)<\/p>\n
    print("Specific date:", specific_date)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    1. \u521b\u5efa\u65f6\u95f4\u5bf9\u8c61<\/li>\n<\/ol>\n
      \u65f6\u95f4\u5bf9\u8c61\u53ef\u4ee5\u4f7f\u7528datetime\u6a21\u5757\u4e2d\u7684time\u7c7b\u6765\u521b\u5efa\u3002\u6211\u4eec\u9700\u8981\u63d0\u4f9b\u5c0f\u65f6\u3001\u5206\u949f\u3001\u79d2\u548c\u5fae\u79d2\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<\/p>\n
      from datetime import time<\/p>\n
      \u521b\u5efa\u4e00\u4e2a\u65f6\u95f4\u5bf9\u8c61<\/strong><\/h2>\n
      specific_time = time(15, 30, 45)<\/p>\n
      print("Specific time:", specific_time)<\/p>\n
      <\/code><\/pre>\n<\/p>\n
        \n
      1. \u521b\u5efa\u65e5\u671f\u548c\u65f6\u95f4\u5bf9\u8c61<\/li>\n<\/ol>\n
        \u65e5\u671f\u548c\u65f6\u95f4\u5bf9\u8c61\u53ef\u4ee5\u4f7f\u7528datetime\u7c7b\u6765\u521b\u5efa\u3002\u5b83\u7ed3\u5408\u4e86\u65e5\u671f\u548c\u65f6\u95f4\u7684\u4fe1\u606f\u3002<\/p>\n<\/p>\n
        from datetime import datetime<\/p>\n
        \u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4<\/strong><\/h2>\n
        now = datetime.now()<\/p>\n
        print("Current date and time:", now)<\/p>\n
        \u521b\u5efa\u4e00\u4e2a\u7279\u5b9a\u7684\u65e5\u671f\u548c\u65f6\u95f4<\/strong><\/h2>\n
        specific_datetime = datetime(2023, 10, 31, 15, 30, 45)<\/p>\n
        print("Specific date and time:", specific_datetime)<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u65e5\u671f\u548c\u65f6\u95f4\u7684\u683c\u5f0f\u5316<\/li>\n<\/ol>\n
          datetime\u6a21\u5757\u63d0\u4f9b\u4e86strftime()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u65e5\u671f\u548c\u65f6\u95f4\u5bf9\u8c61\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u683c\u5f0f\u4ee3\u7801\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u683c\u5f0f\u3002<\/p>\n<\/p>\n
          # \u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4<\/p>\n
          formatted_date = specific_datetime.strftime("%Y-%m-%d %H:%M:%S")<\/p>\n
          print("Formatted date and time:", formatted_date)<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u4e8c\u3001TIME\u6a21\u5757<\/p>\n<\/p>\n
          time\u6a21\u5757\u63d0\u4f9b\u4e86\u4e0e\u65f6\u95f4\u76f8\u5173\u7684\u5404\u79cd\u529f\u80fd\uff0c\u5305\u62ec\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u3001\u8ba1\u7b97\u65f6\u95f4\u5dee\u548c\u6682\u505c\u7a0b\u5e8f\u6267\u884c\u3002<\/p>\n<\/p>\n
            \n
          1. \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u6233<\/li>\n<\/ol>\n
            time\u6a21\u5757\u7684time()\u51fd\u6570\u8fd4\u56de\u5f53\u524d\u65f6\u95f4\u7684\u65f6\u95f4\u6233\uff0c\u5373\u81ea1970\u5e741\u67081\u65e5\u4ee5\u6765\u7684\u79d2\u6570\u3002<\/p>\n<\/p>\n
            import time<\/p>\n
            \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u6233<\/strong><\/h2>\n
            current_timestamp = time.time()<\/p>\n
            print("Current timestamp:", current_timestamp)<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. \u65f6\u95f4\u6233\u8f6c\u6362\u4e3a\u65e5\u671f<\/li>\n<\/ol>\n
              \u53ef\u4ee5\u4f7f\u7528localtime()\u51fd\u6570\u5c06\u65f6\u95f4\u6233\u8f6c\u6362\u4e3astruct_time\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528strftime()\u51fd\u6570\u683c\u5f0f\u5316\u8f93\u51fa\u3002<\/p>\n<\/p>\n
              # \u5c06\u65f6\u95f4\u6233\u8f6c\u6362\u4e3a\u672c\u5730\u65f6\u95f4<\/p>\n
              local_time = time.localtime(current_timestamp)<\/p>\n
              formatted_local_time = time.strftime("%Y-%m-%d %H:%M:%S", local_time)<\/p>\n
              print("Local time:", formatted_local_time)<\/p>\n
              <\/code><\/pre>\n<\/p>\n
                \n
              1. \u6682\u505c\u7a0b\u5e8f\u6267\u884c<\/li>\n<\/ol>\n
                time\u6a21\u5757\u7684sleep()\u51fd\u6570\u53ef\u4ee5\u6682\u505c\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/p>\n<\/p>\n
                # \u6682\u505c\u7a0b\u5e8f\u6267\u884c3\u79d2<\/p>\n
                time.sleep(3)<\/p>\n
                print("Program resumed after 3 seconds")<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u4e09\u3001DATEUTIL\u5e93<\/p>\n<\/p>\n
                dateutil\u662f\u4e00\u4e2a\u7b2c\u4e09\u65b9\u5e93\uff0c\u63d0\u4f9b\u4e86\u6bd4\u5185\u7f6e\u6a21\u5757\u66f4\u5f3a\u5927\u7684\u65e5\u671f\u89e3\u6790\u548c\u5904\u7406\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u8f7b\u677e\u89e3\u6790\u5b57\u7b26\u4e32\u683c\u5f0f\u7684\u65e5\u671f\uff0c\u5e76\u652f\u6301\u65f6\u533a\u8f6c\u6362\u3002<\/p>\n<\/p>\n
                  \n
                1. \u89e3\u6790\u5b57\u7b26\u4e32\u65e5\u671f<\/li>\n<\/ol>\n
                  dateutil.parser\u6a21\u5757\u63d0\u4f9b\u4e86parse()\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u683c\u5f0f\u7684\u65e5\u671f\u89e3\u6790\u4e3adatetime\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
                  from dateutil import parser<\/p>\n
                  \u89e3\u6790\u5b57\u7b26\u4e32\u65e5\u671f<\/strong><\/h2>\n
                  date_string = "2023-10-31 15:30:45"<\/p>\n
                  parsed_date = parser.parse(date_string)<\/p>\n
                  print("Parsed date:", parsed_date)<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                    \n
                  1. \u5904\u7406\u65e5\u671f\u504f\u79fb<\/li>\n<\/ol>\n
                    dateutil.relativedelta\u6a21\u5757\u63d0\u4f9b\u4e86relativedelta\u7c7b\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u65e5\u671f\u7684\u52a0\u51cf\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
                    from dateutil.relativedelta import relativedelta<\/p>\n
                    \u8ba1\u7b97\u65e5\u671f\u504f\u79fb<\/strong><\/h2>\n
                    new_date = parsed_date + relativedelta(months=3)<\/p>\n
                    print("Date after 3 months:", new_date)<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u56db\u3001PYTZ\u5e93<\/p>\n<\/p>\n
                    pytz\u662f\u4e00\u4e2a\u7b2c\u4e09\u65b9\u5e93\uff0c\u7528\u4e8e\u5904\u7406\u65f6\u533a\u4fe1\u606f\u3002\u5b83\u53ef\u4ee5\u5c06datetime\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5e26\u6709\u65f6\u533a\u4fe1\u606f\u7684\u5bf9\u8c61\uff0c\u5e76\u652f\u6301\u65f6\u533a\u8f6c\u6362\u3002<\/p>\n<\/p>\n
                      \n
                    1. \u5c06UTC\u65f6\u95f4\u8f6c\u6362\u4e3a\u672c\u5730\u65f6\u95f4<\/li>\n<\/ol>\n
                      pytz\u5e93\u63d0\u4f9b\u4e86timezone\u7c7b\uff0c\u53ef\u4ee5\u5c06UTC\u65f6\u95f4\u8f6c\u6362\u4e3a\u672c\u5730\u65f6\u95f4\u3002<\/p>\n<\/p>\n
                      import pytz<\/p>\n
                      \u83b7\u53d6UTC\u65f6\u95f4<\/strong><\/h2>\n
                      utc_time = datetime.utcnow()<\/p>\n
                      print("UTC time:", utc_time)<\/p>\n
                      \u5c06UTC\u65f6\u95f4\u8f6c\u6362\u4e3a\u672c\u5730\u65f6\u95f4<\/strong><\/h2>\n
                      local_timezone = pytz.timezone("Asia\/ShanghAI<\/a>")<\/p>\n
                      local_time = utc_time.replace(tzinfo=pytz.utc).astimezone(local_timezone)<\/p>\n
                      print("Local time:", local_time)<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                        \n
                      1. \u83b7\u53d6\u6240\u6709\u53ef\u7528\u7684\u65f6\u533a<\/li>\n<\/ol>\n
                        pytz\u5e93\u63d0\u4f9b\u4e86all_timezones\u5217\u8868\uff0c\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u53ef\u7528\u7684\u65f6\u533a\u3002<\/p>\n<\/p>\n
                        # \u83b7\u53d6\u6240\u6709\u53ef\u7528\u7684\u65f6\u533a<\/p>\n
                        all_timezones = pytz.all_timezones<\/p>\n
                        print("Available timezones:", all_timezones[:10])  # \u53ea\u6253\u5370\u524d10\u4e2a<\/p>\n
                        <\/code><\/pre>\n<\/p>\n
                        \u603b\u7ed3<\/p>\n<\/p>\n
                        Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u65e5\u671f\u548c\u65f6\u95f4\u7684\u64cd\u4f5c\uff0c\u6700\u5e38\u7528\u7684\u662fdatetime\u6a21\u5757\u548ctime\u6a21\u5757\u3002datetime\u6a21\u5757\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u521b\u5efa\u3001\u64cd\u4f5c\u548c\u683c\u5f0f\u5316\u65e5\u671f\u548c\u65f6\u95f4\u3002time\u6a21\u5757\u63d0\u4f9b\u4e86\u65f6\u95f4\u6233\u548c\u6682\u505c\u529f\u80fd\u3002\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u65e5\u671f\u89e3\u6790\u548c\u65f6\u533a\u5904\u7406\uff0c\u53ef\u4ee5\u4f7f\u7528dateutil\u548cpytz\u5e93\u3002\u901a\u8fc7\u8fd9\u4e9b\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5404\u79cd\u65e5\u671f\u548c\u65f6\u95f4\u7684\u64cd\u4f5c\uff0c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<\/p>\n
                        \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                         \u5982\u4f55\u5728Python\u4e2d\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff1f<\/strong>
                        \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528datetime<\/code>\u6a21\u5757\u6765\u83b7\u53d6\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002\u901a\u8fc7\u5bfc\u5165datetime<\/code>\u6a21\u5757\u5e76\u4f7f\u7528datetime.now()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n
                        import datetime\ncurrent_datetime = datetime.datetime.now()\nprint("\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4:", current_datetime)\n<\/code><\/pre>\n
                        \u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\u7cfb\u7edf\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/p>\n
                        \u5982\u4f55\u5728Python\u4e2d\u683c\u5f0f\u5316\u65e5\u671f\uff1f<\/strong>
                        \u53ef\u4ee5\u4f7f\u7528strftime()<\/code>\u65b9\u6cd5\u5bf9\u65e5\u671f\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u4ee5\u4fbf\u4ee5\u7279\u5b9a\u7684\u65b9\u5f0f\u663e\u793a\u3002\u6bd4\u5982\uff0c\u60f3\u8981\u5c06\u65e5\u671f\u683c\u5f0f\u5316\u4e3a\u201cYYYY-MM-DD\u201d\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
                        formatted_date = current_datetime.strftime("%Y-%m-%d")\nprint("\u683c\u5f0f\u5316\u540e\u7684\u65e5\u671f:", formatted_date)\n<\/code><\/pre>\n
                        \u8fd9\u91cc\u7684%Y<\/code>\u8868\u793a\u5e74\u4efd\uff0c%m<\/code>\u8868\u793a\u6708\u4efd\uff0c%d<\/code>\u8868\u793a\u65e5\u671f\u3002<\/p>\n
                        \u5982\u4f55\u5728Python\u4e2d\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u5f02\uff1f<\/strong>
                        \u8981\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u53ef\u4ee5\u4f7f\u7528datetime<\/code>\u6a21\u5757\u4e2d\u7684date<\/code>\u7c7b\u3002\u901a\u8fc7\u5c06\u4e24\u4e2adate<\/code>\u5bf9\u8c61\u76f8\u51cf\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u662f\u4e00\u4e2atimedelta<\/code>\u5bf9\u8c61\uff0c\u8868\u793a\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5929\u6570\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
                        from datetime import date\n\ndate1 = date(2023, 10, 1)\ndate2 = date(2023, 10, 15)\ndifference = date2 - date1\nprint("\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u5f02\u5929\u6570:", difference.days)\n<\/code><\/pre>\n
                        \u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5929\u6570\u5dee\uff0c\u65b9\u4fbf\u8fdb\u884c\u65e5\u671f\u8ba1\u7b97\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5b9e\u73b0\u65e5\u671f\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528datetime\u6a21\u5757\u3001time\u6a21\u5757\u3001\u7b2c\u4e09\u65b9\u5e93dateutil\u3001pytz\u7b49 […]","protected":false},"author":3,"featured_media":989773,"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\/989764"}],"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=989764"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/989764\/revisions"}],"predecessor-version":[{"id":989776,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/989764\/revisions\/989776"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/989773"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=989764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=989764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=989764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}