{"id":1148413,"date":"2025-01-13T16:36:56","date_gmt":"2025-01-13T08:36:56","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1148413.html"},"modified":"2025-01-13T16:36:58","modified_gmt":"2025-01-13T08:36:58","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e7%a9%ba%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1148413.html","title":{"rendered":"python\u5982\u4f55\u5b9a\u4e49\u7a7a\u51fd\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25170733\/f42a3b47-db10-4412-8aab-073f2cab1682.webp\" alt=\"python\u5982\u4f55\u5b9a\u4e49\u7a7a\u51fd\u6570\" \/><\/p>\n<p><p> \u5728Python\u4e2d\u5b9a\u4e49\u7a7a\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<strong>\u4f7f\u7528pass\u8bed\u53e5\u3001\u4f7f\u7528None\u5173\u952e\u5b57\u3001\u4f7f\u7528\u7701\u7565\u53f7\uff08&#8230;\uff09<\/strong>\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u8be6\u7ec6\u63cf\u8ff0\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u5e94\u7528\u573a\u666f\u548c\u5b9e\u9645\u7528\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528pass\u8bed\u53e5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u662f\u5b9a\u4e49\u7a7a\u51fd\u6570\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u3002<code>pass<\/code>\u662f\u4e00\u4e2a\u5360\u4f4d\u7b26\u8bed\u53e5\uff0c\u8868\u793a\u4ec0\u4e48\u90fd\u4e0d\u505a\u3002\u5b83\u901a\u5e38\u7528\u5728\u8bed\u6cd5\u4e0a\u9700\u8981\u6709\u8bed\u53e5\u7684\u5730\u65b9\uff0c\u4f46\u5b9e\u9645\u8fd0\u884c\u65f6\u53ef\u4ee5\u5ffd\u7565\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def empty_function():<\/p>\n<p>    pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c<code>pass<\/code>\u8bed\u53e5\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5360\u4f4d\u7b26\u51fd\u6570\u3002\u5f53\u4f60\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u53ef\u80fd\u4f1a\u5148\u5b9a\u4e49\u4e00\u4e9b\u51fd\u6570\uff0c\u4f46\u4e0d\u60f3\u7acb\u5373\u5b9e\u73b0\u5b83\u4eec\u7684\u529f\u80fd\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u6765\u5b9a\u4e49\u8fd9\u4e9b\u7a7a\u51fd\u6570\uff0c\u4ee5\u4fbf\u540e\u7eed\u586b\u5145\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u4f60\u53ef\u80fd\u4f1a\u5148\u642d\u5efa\u4e00\u4e2a\u57fa\u672c\u7684\u9879\u76ee\u7ed3\u6784\uff0c\u7136\u540e\u9010\u6b65\u5b9e\u73b0\u5404\u4e2a\u6a21\u5757\u7684\u529f\u80fd\u3002\u6b64\u65f6\uff0c\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u4ee3\u7801\u7ed3\u6784\u7684\u5b8c\u6574\u6027\uff0c\u540c\u65f6\u4e0d\u5f71\u54cd\u9879\u76ee\u7684\u7f16\u8bd1\u548c\u8fd0\u884c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def initialize():<\/p>\n<p>    pass<\/p>\n<p>def process_data():<\/p>\n<p>    pass<\/p>\n<p>def finalize():<\/p>\n<p>    pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528None\u5173\u952e\u5b57<\/h3>\n<\/p>\n<p><p>\u53e6\u4e00\u79cd\u5b9a\u4e49\u7a7a\u51fd\u6570\u7684\u65b9\u6cd5\u662f\u8fd4\u56de<code>None<\/code>\u5173\u952e\u5b57\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u5e38\u7528\uff0c\u4f46\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\u53ef\u4ee5\u6d3e\u4e0a\u7528\u573a\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def empty_function():<\/p>\n<p>    return None<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u663e\u5f0f\u8fd4\u56de<code>None<\/code>\u7684\u60c5\u51b5\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8fd4\u56de<code>None<\/code>\u53ef\u80fd\u4f1a\u66f4\u6e05\u6670\u5730\u8868\u660e\u51fd\u6570\u6ca1\u6709\u5177\u4f53\u7684\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u5728\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\u7684\u5b9a\u4e49\u4e2d\uff0c\u4f7f\u7528<code>None<\/code>\u53ef\u4ee5\u660e\u786e\u544a\u77e5\u8c03\u7528\u8005\u8be5\u51fd\u6570\u5c1a\u672a\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class AbstractClass:<\/p>\n<p>    def method(self):<\/p>\n<p>        return None<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u7701\u7565\u53f7\uff08&#8230;\uff09<\/h3>\n<\/p>\n<p><p>\u7b2c\u4e09\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u7701\u7565\u53f7\uff08<code>...<\/code>\uff09\u3002\u7701\u7565\u53f7\u5728Python\u4e2d\u662f\u4e00\u4e2a\u5408\u6cd5\u7684\u8868\u8fbe\u5f0f\uff0c\u901a\u5e38\u7528\u4e8e\u8868\u793a\u7701\u7565\u5185\u5bb9\u3002\u5728\u5b9a\u4e49\u7a7a\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7701\u7565\u53f7\u6765\u5360\u4f4d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def empty_function():<\/p>\n<p>    ...<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u6bd4<code>pass<\/code>\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u56e0\u4e3a\u7701\u7565\u53f7\u901a\u5e38\u8868\u793a\u5185\u5bb9\u88ab\u7701\u7565\uff0c\u76f4\u89c2\u4e0a\u66f4\u5bb9\u6613\u7406\u89e3\u8fd9\u662f\u4e00\u4e2a\u5360\u4f4d\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def initialize():<\/p>\n<p>    ...<\/p>\n<p>def process_data():<\/p>\n<p>    ...<\/p>\n<p>def finalize():<\/p>\n<p>    ...<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u7a7a\u51fd\u6570\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><h4>1. \u62bd\u8c61\u57fa\u7c7b<\/h4>\n<\/p>\n<p><p>\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u62bd\u8c61\u57fa\u7c7b\uff08Abstract Base Class, ABC\uff09\u5b9a\u4e49\u4e86\u4e00\u7ec4\u63a5\u53e3\uff0c\u4f46\u4e0d\u63d0\u4f9b\u5177\u4f53\u7684\u5b9e\u73b0\u3002\u7a7a\u51fd\u6570\u5728\u62bd\u8c61\u57fa\u7c7b\u4e2d\u975e\u5e38\u5e38\u89c1\uff0c\u7528\u4e8e\u5b9a\u4e49\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0\u7684\u63a5\u53e3\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from abc import ABC, abstractmethod<\/p>\n<p>class AbstractClass(ABC):<\/p>\n<p>    @abstractmethod<\/p>\n<p>    def method(self):<\/p>\n<p>        pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>method<\/code>\u51fd\u6570\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u5b9a\u4e49\u4e3a\u7a7a\u51fd\u6570\uff0c\u8868\u793a\u8fd9\u4e2a\u65b9\u6cd5\u5fc5\u987b\u7531\u5b50\u7c7b\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><h4>2. \u5355\u5143\u6d4b\u8bd5<\/h4>\n<\/p>\n<p><p>\u5728\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u65f6\uff0c\u7a7a\u51fd\u6570\u53ef\u4ee5\u7528\u4f5c\u6d4b\u8bd5\u7528\u4f8b\u7684\u5360\u4f4d\u7b26\u3002\u8fd9\u6837\uff0c\u4f60\u53ef\u4ee5\u5148\u5b9a\u4e49\u6240\u6709\u9700\u8981\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u7136\u540e\u9010\u6b65\u5b9e\u73b0\u5b83\u4eec\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import unittest<\/p>\n<p>class TestMyFunction(unittest.TestCase):<\/p>\n<p>    def test_case_1(self):<\/p>\n<p>        pass<\/p>\n<p>    def test_case_2(self):<\/p>\n<p>        pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u9879\u76ee\u521d\u671f\u7684\u67b6\u6784\u8bbe\u8ba1<\/h4>\n<\/p>\n<p><p>\u5728\u9879\u76ee\u521d\u671f\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u4f1a\u5148\u642d\u5efa\u6574\u4f53\u67b6\u6784\uff0c\u5e76\u5b9a\u4e49\u4e00\u4e9b\u5c1a\u672a\u5b9e\u73b0\u7684\u51fd\u6570\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7a7a\u51fd\u6570\u6765\u5360\u4f4d\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u6574\u4f53\u7ed3\u6784\u5b8c\u6574\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def start():<\/p>\n<p>    pass<\/p>\n<p>def execute():<\/p>\n<p>    pass<\/p>\n<p>def stop():<\/p>\n<p>    pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b9a\u4e49\u7a7a\u51fd\u6570\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5176\u4e2d\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u662f\u6700\u5e38\u89c1\u548c\u63a8\u8350\u7684\u65b9\u6cd5\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>None<\/code>\u5173\u952e\u5b57\u548c\u7701\u7565\u53f7\uff08&#8230;\uff09\u6765\u5b9a\u4e49\u7a7a\u51fd\u6570\u3002\u7a7a\u51fd\u6570\u5728\u62bd\u8c61\u57fa\u7c7b\u3001\u5355\u5143\u6d4b\u8bd5\u548c\u9879\u76ee\u521d\u671f\u7684\u67b6\u6784\u8bbe\u8ba1\u4e2d\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u7a7a\u51fd\u6570\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u5b9a\u4e49\u7a7a\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6e05\u6670\u3001\u7ed3\u6784\u66f4\u5408\u7406\u3002\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u56e2\u961f\u534f\u4f5c\uff0c\u8fd8\u80fd\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u5927\u5bb6\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u7a7a\u51fd\u6570\u7684\u5b9a\u4e49\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u7a7a\u51fd\u6570\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>def<\/code>\u5173\u952e\u5b57\u6765\u5b9a\u4e49\u4e00\u4e2a\u7a7a\u51fd\u6570\u3002\u7a7a\u51fd\u6570\u7684\u4e3b\u4f53\u53ef\u4ee5\u4f7f\u7528<code>pass<\/code>\u8bed\u53e5\u6765\u5360\u4f4d\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">def my_empty_function():\n    pass\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u7a7a\u51fd\u6570\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u8c03\u7528\uff0c\u4f46\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u7a7a\u51fd\u6570\u6709\u4ec0\u4e48\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff1f<\/strong><br \/>\u7a7a\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u5360\u4f4d\uff0c\u7279\u522b\u662f\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u3002\u5f53\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u7684\u7ed3\u6784\uff0c\u4f46\u5c1a\u672a\u5b9e\u73b0\u5177\u4f53\u903b\u8f91\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7a7a\u51fd\u6570\u3002\u8fd9\u5728\u7f16\u5199\u5927\u578b\u7a0b\u5e8f\u6216\u8fdb\u884c\u6a21\u5757\u5316\u5f00\u53d1\u65f6\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u5148\u5b9a\u4e49\u597d\u63a5\u53e3\uff0c\u5f85\u540e\u7eed\u5b8c\u6210\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728\u7a7a\u51fd\u6570\u4e2d\u6dfb\u52a0\u53c2\u6570\uff1f<\/strong><br \/>\u7a7a\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53c2\u6570\uff0c\u5c31\u50cf\u4efb\u4f55\u5176\u4ed6\u51fd\u6570\u4e00\u6837\u3002\u5b9a\u4e49\u65f6\u5728\u62ec\u53f7\u4e2d\u6dfb\u52a0\u53c2\u6570\u540d\u5373\u53ef\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">def my_empty_function(param1, param2):\n    pass\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>my_empty_function<\/code>\u51fd\u6570\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff0c\u4f46\u4ecd\u7136\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u3002\u8fd9\u6837\u7684\u7ed3\u6784\u53ef\u4ee5\u4e3a\u672a\u6765\u7684\u529f\u80fd\u6269\u5c55\u7559\u51fa\u4f59\u5730\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5b9a\u4e49\u7a7a\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528pass\u8bed\u53e5\u3001\u4f7f\u7528None\u5173\u952e\u5b57\u3001\u4f7f\u7528\u7701\u7565\u53f7\uff08&#038;#823 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