{"id":1006505,"date":"2024-12-27T10:45:01","date_gmt":"2024-12-27T02:45:01","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1006505.html"},"modified":"2024-12-27T10:45:05","modified_gmt":"2024-12-27T02:45:05","slug":"python%e6%a0%b9%e7%9b%ae%e5%bd%95%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1006505.html","title":{"rendered":"python\u6839\u76ee\u5f55\u5982\u4f55\u8868\u793a"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25082616\/2eb42d43-3e41-442b-b870-81c2c78fb035.webp\" alt=\"python\u6839\u76ee\u5f55\u5982\u4f55\u8868\u793a\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u6839\u76ee\u5f55\u901a\u5e38\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u3001\u76f8\u5bf9\u8def\u5f84\u3001os\u6a21\u5757\u7ed3\u5408\u4f7f\u7528\u7b49\u65b9\u5f0f\u8868\u793a\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528<code>os<\/code>\u6a21\u5757\u662f\u8f83\u4e3a\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>os.path.abspath()<\/code>\u51fd\u6570\u83b7\u53d6\u5f53\u524d\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u901a\u8fc7<code>os.path.join()<\/code>\u51fd\u6570\u7ec4\u5408\u8def\u5f84\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u8868\u793a\u548c\u64cd\u4f5c\u6839\u76ee\u5f55\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u7406\u89e3\u6839\u76ee\u5f55<\/p>\n<\/p>\n<p><p>\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u6839\u76ee\u5f55\u662f\u6307\u6587\u4ef6\u7cfb\u7edf\u7684\u8d77\u59cb\u70b9\u3002\u5bf9\u4e8eLinux\u548cMacOS\uff0c\u6839\u76ee\u5f55\u901a\u5e38\u7528\u201c\/\u201d\u8868\u793a\uff1b\u5bf9\u4e8eWindows\uff0c\u6839\u76ee\u5f55\u53ef\u4ee5\u662f\u67d0\u4e2a\u76d8\u7b26\uff08\u5982\u201cC:\\\u201d\uff09\u3002\u5728Python\u4e2d\uff0c\u6839\u76ee\u5f55\u7684\u8868\u793a\u65b9\u5f0f\u53d6\u51b3\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u548c\u9879\u76ee\u7684\u7ed3\u6784\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u7edd\u5bf9\u8def\u5f84\u8868\u793a<\/strong><\/li>\n<\/ol>\n<p><p>\u7edd\u5bf9\u8def\u5f84\u662f\u4e00\u79cd\u4ece\u6839\u76ee\u5f55\u5f00\u59cb\u7684\u5b8c\u6574\u8def\u5f84\u8868\u793a\u65b9\u5f0f\u3002\u4f8b\u5982\uff0cLinux\u4e2d\u7684\u201c\/home\/user\/project\u201d\u6216Windows\u4e2d\u7684\u201cC:\\Users\\User\\Project\u201d\u3002\u5728Python\u4e2d\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u8def\u5f84\u683c\u5f0f\u6b63\u786e\uff0c\u5e76\u6ce8\u610f\u8def\u5f84\u5206\u9694\u7b26\u7684\u4f7f\u7528\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u76f8\u5bf9\u8def\u5f84\u8868\u793a<\/strong><\/li>\n<\/ol>\n<p><p>\u76f8\u5bf9\u8def\u5f84\u662f\u57fa\u4e8e\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\u8868\u793a\u65b9\u6cd5\u3002\u5b83\u901a\u5e38\u4f7f\u7528\u201c.\u201d\u8868\u793a\u5f53\u524d\u76ee\u5f55\uff0c\u201c..\u201d\u8868\u793a\u4e0a\u4e00\u7ea7\u76ee\u5f55\u3002\u76f8\u5bf9\u8def\u5f84\u5728\u9879\u76ee\u7ed3\u6784\u8c03\u6574\u65f6\u66f4\u5177\u7075\u6d3b\u6027\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528os\u6a21\u5757\u83b7\u53d6\u6839\u76ee\u5f55<\/p>\n<\/p>\n<p><p><code>os<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7528\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u76f8\u5173\u529f\u80fd\u7684\u6a21\u5757\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u64cd\u4f5c\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/strong><\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>current_directory = os.getcwd()<\/p>\n<p>print(&quot;\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55:&quot;, current_directory)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>os.getcwd()<\/code>\u51fd\u6570\u8fd4\u56de\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u52a8\u6001\u83b7\u53d6\u6267\u884c\u4ee3\u7801\u65f6\u7684\u76ee\u5f55\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u83b7\u53d6\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84<\/strong><\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>file_path = os.path.abspath(__file__)<\/p>\n<p>print(&quot;\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84:&quot;, file_path)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>os.path.abspath(__file__)<\/code>\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u8fd9\u5728\u9700\u8981\u77e5\u9053\u5f53\u524d\u811a\u672c\u4f4d\u7f6e\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u7ec4\u5408\u8def\u5f84<\/strong><\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>root_directory = os.path.dirname(os.path.abspath(__file__))<\/p>\n<p>sub_directory = os.path.join(root_directory, &quot;subfolder&quot;)<\/p>\n<p>print(&quot;\u5b50\u76ee\u5f55\u8def\u5f84:&quot;, sub_directory)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>os.path.join()<\/code>\u51fd\u6570\u7528\u4e8e\u7ec4\u5408\u8def\u5f84\uff0c\u786e\u4fdd\u8def\u5f84\u5206\u9694\u7b26\u7684\u6b63\u786e\u4f7f\u7528\u3002\u8fd9\u6837\u53ef\u4ee5\u65b9\u4fbf\u5730\u6784\u9020\u9879\u76ee\u4e2d\u7684\u8def\u5f84\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u8de8\u5e73\u53f0\u8def\u5f84\u5904\u7406<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u7f16\u5199\u8de8\u5e73\u53f0\u4ee3\u7801\u65f6\uff0c\u8def\u5f84\u5904\u7406\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u8def\u5f84\u5206\u9694\u7b26\u4e0d\u540c\uff0c<code>os<\/code>\u6a21\u5757\u5e2e\u52a9\u89e3\u51b3\u4e86\u8fd9\u4e00\u95ee\u9898\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528os.path.sep<\/strong><\/li>\n<\/ol>\n<p><p><code>os.path.sep<\/code>\u63d0\u4f9b\u4e86\u7cfb\u7edf\u7279\u5b9a\u7684\u8def\u5f84\u5206\u9694\u7b26\u3002\u5728\u7ec4\u5408\u8def\u5f84\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>os.path.join()<\/code>\u6765\u81ea\u52a8\u5904\u7406\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4f7f\u7528os.path.normpath<\/strong><\/li>\n<\/ol>\n<p><p><code>os.path.normpath()<\/code>\u51fd\u6570\u7528\u4e8e\u6807\u51c6\u5316\u8def\u5f84\uff0c\u53ef\u4ee5\u53bb\u9664\u591a\u4f59\u7684\u5206\u9694\u7b26\u6216\u76f8\u5bf9\u8def\u5f84\u6807\u8bb0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>path = &quot;folder\/\/subfolder\/..\/file.txt&quot;<\/p>\n<p>normalized_path = os.path.normpath(path)<\/p>\n<p>print(&quot;\u6807\u51c6\u5316\u8def\u5f84:&quot;, normalized_path)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u5904\u7406\u9879\u76ee\u6839\u76ee\u5f55<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5bf9\u9879\u76ee\u6839\u76ee\u5f55\u8fdb\u884c\u5904\u7406\uff0c\u4ee5\u4fbf\u4e8e\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u3001\u6570\u636e\u6587\u4ef6\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6<\/strong><\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6307\u5b9a\u9879\u76ee\u6839\u76ee\u5f55\uff0c\u4ee3\u7801\u4e2d\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u83b7\u53d6\u8def\u5f84\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4f7f\u7528\u73af\u5883\u53d8\u91cf<\/strong><\/li>\n<\/ol>\n<p><p>\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u6765\u8868\u793a\u9879\u76ee\u6839\u76ee\u5f55\uff0c\u4ee3\u7801\u4e2d\u901a\u8fc7<code>os.environ<\/code>\u83b7\u53d6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>project_root = os.environ.get(&#39;PROJECT_ROOT&#39;, &#39;\/default\/path&#39;)<\/p>\n<p>print(&quot;\u9879\u76ee\u6839\u76ee\u5f55:&quot;, project_root)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u4f7f\u7528\u8def\u5f84\u6a21\u5757<\/strong><\/li>\n<\/ol>\n<p><p>\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<code>pathlib<\/code>\uff0c\u63d0\u4f9b\u4e86\u9762\u5411\u5bf9\u8c61\u7684\u8def\u5f84\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from pathlib import Path<\/p>\n<p>root_directory = Path(__file__).parent<\/p>\n<p>print(&quot;\u9879\u76ee\u6839\u76ee\u5f55:&quot;, root_directory)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u8868\u793a\u548c\u64cd\u4f5c\u6839\u76ee\u5f55\u9700\u8981\u8003\u8651\u5230\u64cd\u4f5c\u7cfb\u7edf\u7684\u5dee\u5f02\u548c\u9879\u76ee\u7684\u7ed3\u6784\u3002\u901a\u8fc7\u4f7f\u7528<code>os<\/code>\u6a21\u5757\u548c<code>pathlib<\/code>\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u83b7\u53d6\u548c\u5904\u7406\u8def\u5f84\u3002\u7406\u89e3\u7edd\u5bf9\u8def\u5f84\u548c\u76f8\u5bf9\u8def\u5f84\u7684\u533a\u522b\uff0c\u7ed3\u5408\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u548c\u914d\u7f6e\u6587\u4ef6\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u79fb\u690d\u6027\u548c\u7ef4\u62a4\u6027\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u9879\u76ee\u4e2d\u7684\u6587\u4ef6\u548c\u76ee\u5f55\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u83b7\u53d6\u6839\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>os<\/code>\u6a21\u5757\u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u6216\u6839\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u901a\u8fc7<code>os.getcwd()<\/code>\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\uff0c\u7ed3\u5408<code>os.path.abspath()<\/code>\u548c\u76f8\u5bf9\u8def\u5f84\uff0c\u53ef\u4ee5\u5f97\u5230\u9879\u76ee\u7684\u6839\u76ee\u5f55\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>os.path.abspath(os.path.join(os.getcwd(), &#39;..&#39;))<\/code>\u53ef\u4ee5\u83b7\u53d6\u5230\u4e0a\u7ea7\u76ee\u5f55\uff0c\u5373\u6839\u76ee\u5f55\u3002<\/p>\n<p><strong>\u5728Python\u9879\u76ee\u4e2d\u5982\u4f55\u786e\u5b9a\u6839\u76ee\u5f55\u7684\u4f4d\u7f6e\uff1f<\/strong><br \/>\u786e\u5b9aPython\u9879\u76ee\u7684\u6839\u76ee\u5f55\u901a\u5e38\u4f9d\u8d56\u4e8e\u9879\u76ee\u7ed3\u6784\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6839\u76ee\u5f55\u662f\u5305\u542b<code>README.md<\/code>\u3001<code>setup.py<\/code>\u7b49\u6587\u4ef6\u7684\u76ee\u5f55\u3002\u4e3a\u4e86\u786e\u4fdd\u4ee3\u7801\u548c\u8d44\u6e90\u53ef\u4ee5\u6b63\u786e\u8bbf\u95ee\uff0c\u53ef\u4ee5\u5728\u9879\u76ee\u4e2d\u4f7f\u7528<code>.env<\/code>\u6587\u4ef6\u6216\u914d\u7f6e\u6587\u4ef6\u5b9a\u4e49\u6839\u8def\u5f84\uff0c\u65b9\u4fbf\u5728\u4e0d\u540c\u73af\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4ee3\u7801\u4e2d\u52a8\u6001\u5f15\u7528\u6839\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>os<\/code>\u6a21\u5757\u7ed3\u5408<code>__file__<\/code>\u5c5e\u6027\u6765\u52a8\u6001\u5f15\u7528\u6839\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u3002\u901a\u8fc7<code>os.path.dirname(__file__)<\/code>\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u811a\u672c\u7684\u76ee\u5f55\uff0c\u518d\u7ed3\u5408<code>os.path.join()<\/code>\u62fc\u63a5\u6839\u76ee\u5f55\u548c\u6587\u4ef6\u540d\uff0c\u786e\u4fdd\u65e0\u8bba\u811a\u672c\u5728\u54ea\u91cc\u8fd0\u884c\uff0c\u90fd\u80fd\u6b63\u786e\u8bbf\u95ee\u6839\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u3002\u8fd9\u6837\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u79fb\u690d\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u6839\u76ee\u5f55\u901a\u5e38\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u3001\u76f8\u5bf9\u8def\u5f84\u3001os\u6a21\u5757\u7ed3\u5408\u4f7f\u7528\u7b49\u65b9\u5f0f\u8868\u793a\u3002 \u5176\u4e2d\uff0c\u4f7f\u7528os\u6a21\u5757\u662f\u8f83\u4e3a\u5e38\u7528 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