{"id":238,"date":"2023-02-01T20:04:40","date_gmt":"2023-03-14T04:26:13","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e7%86%8a%e7%8c%ab%e9%87%8d%e5%91%bd%e5%90%8d%e5%88%97%e5%92%8c%e7%b4%a2%e5%bc%95\/"},"modified":"2025-08-01T02:46:07","modified_gmt":"2025-07-31T18:46:07","slug":"%e7%86%8a%e7%8c%ab%e9%87%8d%e5%91%bd%e5%90%8d%e5%88%97%e5%92%8c%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%86%8a%e7%8c%ab%e9%87%8d%e5%91%bd%e5%90%8d%e5%88%97%e5%92%8c%e7%b4%a2%e5%bc%95\/","title":{"rendered":"Pandas\u6570\u636e\u6846\uff1a\u9ad8\u6548\u91cd\u547d\u540d\u5217\u4e0e\u7d22\u5f15\u7684\u5b9e\u7528\u6280\u5de7"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aPandas\u91cd\u547d\u540d\u5217\u548c\u7d22\u5f15\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002<\/p>\n<p>\u5185\u5bb9\u7247\u6bb5: \u6709\u65f6\u5019\u6211\u4eec\u5e0c\u671b\u5728Pandas DataFrame\u5bf9\u8c61\u4e2d\u91cd\u547d\u540d\u5217\u548c\u7d22\u5f15\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pandas DataFrame\u7684`rename()`\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e00\u76ee\u7684\u3002\u5b83\u652f\u6301\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>`mapper`: \u5b57\u5178\u6216\u51fd\u6570\uff0c\u7528\u4e8e\u5e94\u7528\u4e8e\u5217\u6216\u7d22\u5f15\u3002`axis`\u53c2\u6570\u51b3\u5b9a\u4e86\u76ee\u6807\u8f74\u2014\u2014\u5217\u6216\u7d22\u5f15\u3002<\/li>\n<li>`index`: \u5fc5\u987b\u662f\u5b57\u5178\u6216\u51fd\u6570\uff0c\u7528\u4e8e\u66f4\u6539\u7d22\u5f15\u540d\u79f0\u3002<\/li>\n<li>`columns`: \u5fc5\u987b\u662f\u5b57\u5178\u6216\u51fd\u6570\uff0c\u7528\u4e8e\u66f4\u6539\u5217\u540d\u79f0\u3002<\/li>\n<li>`axis`: \u53ef\u4ee5\u662f\u6574\u6570\u6216\u5b57\u7b26\u4e32\u3002\u4e0e`mapper`\u53c2\u6570\u4e00\u8d77\u4f7f\u7528\uff0c\u7528\u4e8e\u5b9a\u4e49\u76ee\u6807\u8f74\u3002\u5141\u8bb8\u7684\u503c\u4e3a`(&#8216;index&#8217;, &#8216;columns&#8217;)`\u6216\u6570\u5b57`(0, 1)`\u3002\u9ed8\u8ba4\u503c\u4e3a`&#8217;index&#8217;`\u3002<\/li>\n<li>`inplace`: \u5982\u679c\u8bbe\u7f6e\u4e3a`True`\uff0c\u5219\u76f4\u63a5\u4fee\u6539\u539fDataFrame\uff1b\u5426\u5219\uff0c\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684DataFrame\uff0c\u539fDataFrame\u4fdd\u6301\u4e0d\u53d8\u3002\u9ed8\u8ba4\u503c\u4e3a`&#8217;False&#8217;`\u3002<\/li>\n<li>`level`: \u53ef\u4ee5\u662f\u6574\u6570\u6216\u7ea7\u522b\u540d\u79f0\u3002\u5728`MultiIndex`\u60c5\u51b5\u4e0b\u4f7f\u7528\uff0c\u4ec5\u91cd\u547d\u540d\u6307\u5b9a\u7ea7\u522b\u4e2d\u7684\u6807\u7b7e\u3002<\/li>\n<li>`errors`: \u53ef\u80fd\u7684\u503c\u4e3a`(&#8216;ignore&#8217;, &#8216;raise&#8217;)`\uff0c\u9ed8\u8ba4\u503c\u4e3a`&#8217;ignore&#8217;`\u3002\u5982\u679c\u6307\u5b9a\u4e3a`&#8217;raise&#8217;`\uff0c\u5f53\u5b57\u5178\u5f62\u5f0f\u7684`mapper`\u3001`index`\u6216`columns`\u5305\u542b\u5728\u8f6c\u6362\u7684\u7d22\u5f15\u4e2d\u4e0d\u5b58\u5728\u7684\u6807\u7b7e\u65f6\uff0c\u5c06\u5f15\u53d1`KeyError`\u3002\u5982\u679c\u4e3a`&#8217;ignore&#8217;`\uff0c\u5219\u73b0\u6709\u952e\u5c06\u88ab\u91cd\u547d\u540d\uff0c\u800c\u989d\u5916\u7684\u952e\u5c06\u88ab\u5ffd\u7565\u3002<\/li>\n<\/ul>\n<p>\u5173\u4e8e`rename()`\u51fd\u6570\u7684\u4e00\u4e9b\u91cd\u8981\u8981\u70b9\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4ee5\u4e0b\u662f\u8be5\u539f\u6587\u7684\u4e2d\u6587\u8868\u8fbe\uff1a<\/ol>\n<\/li>\n<\/ol>\n<p>\u5efa\u8bae\u4f7f\u7528\u5173\u952e\u5b57\u53c2\u6570\u4ee5\u660e\u786e\u6307\u5b9a\u610f\u56fe\u3002<br \/>\n\u6839\u636e\u5b57\u5178\u4e2d\u7684\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b64\u51fd\u6570\u91cd\u547d\u540d\u5355\u4e2a\u5217\u6216\u591a\u4e2a\u5217\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e9b\u4f7f\u7528Pandas `rename()`\u51fd\u6570\u7684\u793a\u4f8b\u3002<\/p>\n<h2>1. \u91cd\u547d\u540dPandas\u7684\u591a\u4e2a\u5217<\/h2>\n<pre class=\"post-pre\"><code>import pandas as pd\r\n\r\nd1 = {'Name': ['Pankaj', 'Lisa', 'David'], 'ID': [1, 2, 3], 'Role': ['CEO', 'Editor', 'Author']}\r\n\r\ndf = pd.DataFrame(d1)\r\n\r\nprint('\u539f\u59cbDataFrame:\\n', df)\r\n\r\n# \u91cd\u547d\u540d\u5217\r\ndf1 = df.rename(columns={'Name': '\u5458\u5de5\u59d3\u540d', 'ID': '\u5458\u5de5ID', 'Role': '\u5458\u5de5\u89d2\u8272'})\r\nprint('\u7ed3\u679cDataFrame:\\n', df1)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u539f\u59cbDataFrame:\r\n      Name  ID    Role\r\n0  Pankaj   1     CEO\r\n1    Lisa   2  Editor\r\n2   David   3  Author\r\n\u7ed3\u679cDataFrame:\r\n   \u5458\u5de5\u59d3\u540d  \u5458\u5de5ID \u5458\u5de5\u89d2\u8272\r\n0  Pankaj      1     CEO\r\n1    Lisa      2  Editor\r\n2   David      3  Author\r\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u7684`rename()`\u51fd\u6570\u8c03\u7528\u4e5f\u53ef\u4ee5\u7528\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u7f16\u5199\uff1a<\/p>\n<pre class=\"post-pre\"><code>df1 = df.rename(mapper={'Name': '\u5458\u5de5\u59d3\u540d', 'ID': '\u5458\u5de5ID', 'Role': '\u5458\u5de5\u89d2\u8272'},\r\n                axis='columns')  # axis=1 \u5bf9\u5e94\u5217\r\n<\/code><\/pre>\n<p>\u5f88\u660e\u663e\uff0c\u4f7f\u7528\u5173\u952e\u5b57\u53c2\u6570\u6bd4\u4f7f\u7528`mapper`\u548c`axis`\u53c2\u6570\u66f4\u6e05\u6670\u3002<\/p>\n<h2>2. \u91cd\u547d\u540dPandas\u4e2d\u7684\u5355\u4e2a\u5217<\/h2>\n<p>\u5982\u679c\u60a8\u60f3\u91cd\u547d\u540d\u5355\u4e2a\u5217\uff0c\u53ea\u9700\u5728`columns`\u5b57\u5178\u53c2\u6570\u4e2d\u4f20\u9012\u5355\u4e2a\u952e\u503c\u5bf9\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code>df1 = df.rename(columns={'Name': '\u5458\u5de5\u59d3\u540d'})\r\nprint(df1)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>  \u5458\u5de5\u59d3\u540d  ID    Role\r\n0  Pankaj   1     CEO\r\n1    Lisa   2  Editor\r\n2   David   3  Author\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728\u5217\u5b57\u5178\u4e2d\u5b58\u5728\u4e00\u4e2a\u4e0d\u5339\u914d\u7684\u6620\u5c04\uff0c\u5219\u7ed3\u679c\u5c06\u76f8\u540c\u3002<\/p>\n<pre class=\"post-pre\"><code>df1 = df.rename(columns={'Name': '\u5458\u5de5\u59d3\u540d', 'X': 'Y'})  # \u7ed3\u679c\u76f8\u540c\uff0c\u56e0\u4e3a\u6ca1\u6709\u540d\u4e3aX\u7684\u5217\r\n<\/code><\/pre>\n<h2>3. \u91cd\u547d\u540dPandas\u7d22\u5f15<\/h2>\n<p>\u5982\u679c\u4f60\u60f3\u91cd\u547d\u540d\u7d22\u5f15\uff0c\u8bf7\u5c06\u5b57\u5178\u4f5c\u4e3a`index`\u53c2\u6570\u4f20\u9012\u3002<\/p>\n<pre class=\"post-pre\"><code>df2 = df.rename(index={0: '#0', 1: '#1', 2: '#2'})\r\nprint('\u91cd\u547d\u540d\u540e\u7684\u7d22\u5f15:\\n', df2)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u91cd\u547d\u540d\u540e\u7684\u7d22\u5f15:\r\n       Name  ID    Role\r\n#0  Pankaj   1     CEO\r\n#1    Lisa   2  Editor\r\n#2   David   3  Author\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528`mapper`\u548c`axis`\u53c2\u6570\u6765\u91cd\u547d\u540d\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code>df2 = df.rename({0: '#0', 1: '#1', 2: '#2'}, axis=0)  \r\n# axis='index' \u540c\u6837\u6709\u6548\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u88ab\u8d4b\u503c\u7ed9 'mapper'\r\n<\/code><\/pre>\n<h2>4. \u91cd\u547d\u540dPandas\u5355\u4e2a\u7d22\u5f15<\/h2>\n<pre class=\"post-pre\"><code>df2 = df.rename(index={1: '#1'})\r\nprint(df2)\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code>      Name  ID    Role\r\n0   Pankaj   1     CEO\r\n#1    Lisa   2  Editor\r\n2    David   3  Author\r\n<\/code><\/pre>\n<h2>5. \u5bf9DataFrame\u8fdb\u884c\u539f\u5730\u66f4\u6539<\/h2>\n<p>\u5982\u679c\u4f60\u60f3\u8981\u6539\u53d8\u6e90DataFrame\u672c\u8eab\uff0c\u5c06`inplace`\u53c2\u6570\u8bbe\u4e3a`True`\u3002<\/p>\n<pre class=\"post-pre\"><code>import pandas as pd\r\n\r\nd1 = {'Name': ['Pankaj', 'Lisa', 'David'], 'ID': [1, 2, 3], 'Role': ['CEO', 'Editor', 'Author']}\r\n\r\ndf = pd.DataFrame(d1)\r\n\r\nprint('\u539f\u59cbDataFrame:\\n', df)\r\n\r\ndf.rename(index={0: '#0', 1: '#1', 2: '#2'}, columns={'Name': '\u5458\u5de5\u59d3\u540d', 'ID': '\u5458\u5de5ID', 'Role': '\u5458\u5de5\u89d2\u8272'}, inplace=True)\r\n\r\nprint('\u4fee\u6539\u540e\u7684DataFrame:\\n', df)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u539f\u59cbDataFrame:\r\n      Name  ID    Role\r\n0  Pankaj   1     CEO\r\n1    Lisa   2  Editor\r\n2   David   3  Author\r\n\r\n\u4fee\u6539\u540e\u7684DataFrame:\r\n   \u5458\u5de5\u59d3\u540d  \u5458\u5de5ID \u5458\u5de5\u89d2\u8272\r\n#0  Pankaj      1     CEO\r\n#1    Lisa      2  Editor\r\n#2   David      3  Author\r\n<\/code><\/pre>\n<h2>6. \u4f7f\u7528\u6620\u5c04\u51fd\u6570\u6765\u91cd\u547d\u540d\u5217<\/h2>\n<pre class=\"post-pre\"><code>df = pd.DataFrame({'NAME': ['Pankaj', 'Lisa'], 'ID': [1, 2], 'ROLE': ['CEO', 'Editor']})\r\nprint(df)\r\n\r\ndf.rename(mapper=str.lower, axis=1, inplace=True)\r\nprint(df)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>     NAME  ID    ROLE\r\n0  Pankaj   1     CEO\r\n1    Lisa   2  Editor\r\n\r\n     name  id    role\r\n0  Pankaj   1     CEO\r\n1    Lisa   2  Editor\r\n<\/code><\/pre>\n<h2>7. \u4f7f\u7528\u51fd\u6570\u6765\u91cd\u547d\u540d\u5217\u548c\u7d22\u5f15<\/h2>\n<pre class=\"post-pre\"><code>import pandas as pd\r\nimport math\r\n\r\ndf = pd.DataFrame({'NAME': ['Pankaj', 'Lisa'], 'ID': [1, 2], 'ROLE': ['CEO', 'Editor']})\r\n\r\ndf.rename(columns=str.lower, index=math.degrees, inplace=True)\r\nprint(df)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>            name  id    role\r\n0.00000   Pankaj   1     CEO\r\n57.29578    Lisa   2  Editor\r\n<\/code><\/pre>\n<h2>8. \u4e25\u683c\u91cd\u547d\u540d\u5e76\u629b\u51fa\u952e\u9519\u8bef<\/h2>\n<pre class=\"post-pre\"><code>import pandas as pd\r\n\r\ndf = pd.DataFrame({'NAME': ['Pankaj', 'Lisa'], 'ID': [1, 2], 'ROLE': ['CEO', 'Editor']})\r\n\r\ndf1 = df.rename(columns={'Salary': '\u5458\u5de5\u85aa\u8d44'})  # \u4e0d\u5339\u914d\u7684\u6620\u5c04\u5c06\u88ab\u5ffd\u7565\r\n\r\ndf1 = df.rename(columns={'Salary': '\u5458\u5de5\u85aa\u8d44'}, errors='raise')  # \u4e0d\u5339\u914d\u7684\u6620\u5c04\u5c06\u5f15\u53d1KeyError\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code>Traceback (most recent call last):\r\n  File \"\/Users\/scdev\/Documents\/PycharmProjects\/hello-world\/scdev\/pandas\/pandas_rename_column.py\", line 58, in &lt;module&gt;\r\n    df1 = df.rename(columns={'Salary': '\u5458\u5de5\u85aa\u8d44'}, errors='raise')\r\nKeyError: \"['Salary'] not found in axis\" \r\n<\/code><\/pre>\n<h2>9. \u53c2\u8003\u6587\u732e<\/h2>\n<ul class=\"post-ul\">\n<li><a href=\"#\">pandas DataFrame rename() API \u6587\u6863<\/a><\/li>\n<li><a href=\"#\">Python Pandas \u6a21\u5757\u6559\u7a0b<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aPandas\u91cd\u547d\u540d\u5217\u548c\u7d22\u5f15\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002 \u5185\u5bb9\u7247\u6bb5: \u6709\u65f6\u5019\u6211\u4eec\u5e0c\u671b\u5728Pandas Da [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[273,32,567,391,894],"class_list":["post-238","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-pandas","tag-python","tag-567","tag-391","tag-894"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pandas\u6570\u636e\u6846\uff1a\u9ad8\u6548\u91cd\u547d\u540d\u5217\u4e0e\u7d22\u5f15\u7684\u5b9e\u7528\u6280\u5de7 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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