{"id":980296,"date":"2024-12-27T06:53:23","date_gmt":"2024-12-26T22:53:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/980296.html"},"modified":"2024-12-27T06:53:25","modified_gmt":"2024-12-26T22:53:25","slug":"python%e5%a6%82%e4%bd%95%e5%90%88%e5%b9%b6%e5%a4%9a%e4%b8%aaexcel","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/980296.html","title":{"rendered":"python\u5982\u4f55\u5408\u5e76\u591a\u4e2aexcel"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24205743\/b33674f2-60ff-4b7e-9967-23595ef495a6.webp\" alt=\"python\u5982\u4f55\u5408\u5e76\u591a\u4e2aexcel\" \/><\/p>\n<p><p> <strong>\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\u5728Python\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Pandas\u5e93\u5b9e\u73b0\u3002Pandas\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u80fd\u529b\u548c\u7075\u6d3b\u7684\u64cd\u4f5c\u65b9\u5f0f\uff0c\u4f7f\u5f97\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\u53d8\u5f97\u7b80\u5355\u9ad8\u6548\u3002\u9996\u5148\uff0c\u5bfc\u5165Pandas\u5e93\u3001\u8bfb\u53d6\u6240\u6709Excel\u6587\u4ef6\u5e76\u5b58\u50a8\u5230\u4e00\u4e2a\u5217\u8868\u4e2d\u3001\u4f7f\u7528Pandas\u7684concat\u51fd\u6570\u5408\u5e76\u8fd9\u4e9b\u6570\u636e\u3002<\/strong>\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Pandas\u5e93\u6765\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u5bfc\u5165Pandas\u5e93<\/p>\n<\/p>\n<p><p>\u5728\u5f00\u59cb\u5408\u5e76Excel\u6587\u4ef6\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86Pandas\u5e93\u3002Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5e93\uff0c\u4e13\u95e8\u7528\u4e8e\u64cd\u4f5c\u6570\u636e\u8868\u683c\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Pandas\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install pandas<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u60a8\u7684Python\u811a\u672c\u4e2d\uff0c\u9996\u5148\u5bfc\u5165Pandas\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e8c\u3001\u8bfb\u53d6Excel\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u8981\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\uff0c\u9996\u5148\u9700\u8981\u8bfb\u53d6\u8fd9\u4e9b\u6587\u4ef6\u3002\u5047\u8bbe\u60a8\u6709\u591a\u4e2aExcel\u6587\u4ef6\u5b58\u50a8\u5728\u4e00\u4e2a\u76ee\u5f55\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u7684<code>os<\/code>\u6a21\u5757\u6765\u904d\u5386\u8fd9\u4e9b\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<h2><strong>\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n<p>folder_path = &#39;\/path\/to\/excel\/files&#39;<\/p>\n<h2><strong>\u83b7\u53d6\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709Excel\u6587\u4ef6<\/strong><\/h2>\n<p>excel_files = [f for f in os.listdir(folder_path) if f.endswith(&#39;.xlsx&#39;)]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7136\u540e\uff0c\u4f7f\u7528Pandas\u7684<code>read_excel<\/code>\u51fd\u6570\u8bfb\u53d6\u6bcf\u4e2aExcel\u6587\u4ef6\uff0c\u5e76\u5b58\u50a8\u5230\u4e00\u4e2a\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">dataframes = []<\/p>\n<p>for file in excel_files:<\/p>\n<p>    file_path = os.path.join(folder_path, file)<\/p>\n<p>    df = pd.read_excel(file_path)<\/p>\n<p>    dataframes.append(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u5408\u5e76Excel\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u4e00\u65e6\u60a8\u8bfb\u53d6\u4e86\u6240\u6709Excel\u6587\u4ef6\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u5c06\u5b83\u4eec\u5408\u5e76\u5230\u4e00\u4e2a\u6570\u636e\u6846\u4e2d\u3002Pandas\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a<code>concat<\/code>\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u6765\u5408\u5e76\u591a\u4e2a\u6570\u636e\u6846\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5408\u5e76\u6240\u6709\u6570\u636e\u6846<\/p>\n<p>combined_df = pd.concat(dataframes, ignore_index=True)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u5408\u5e76\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>ignore_index=True<\/code>\u53c2\u6570\u6765\u91cd\u65b0\u7d22\u5f15\u5408\u5e76\u540e\u7684\u6570\u636e\u6846\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u4fdd\u5b58\u5408\u5e76\u540e\u7684\u6570\u636e<\/p>\n<\/p>\n<p><p>\u5408\u5e76\u540e\u7684\u6570\u636e\u6846\u53ef\u4ee5\u4fdd\u5b58\u4e3a\u4e00\u4e2a\u65b0\u7684Excel\u6587\u4ef6\u3002Pandas\u63d0\u4f9b\u4e86\u4e00\u4e2a<code>to_excel<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u6846\u4fdd\u5b58\u4e3aExcel\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4fdd\u5b58\u5408\u5e76\u540e\u7684\u6570\u636e\u6846\u5230\u4e00\u4e2a\u65b0\u7684Excel\u6587\u4ef6<\/p>\n<p>combined_df.to_excel(&#39;\/path\/to\/save\/combined_file.xlsx&#39;, index=False)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u5904\u7406\u5927\u578bExcel\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u5904\u7406\u975e\u5e38\u5927\u7684Excel\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5185\u5b58\u95ee\u9898\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5206\u5757\u8bfb\u53d6\u7684\u65b9\u6cd5\u3002Pandas\u63d0\u4f9b\u4e86\u4e00\u4e2a<code>chunksize<\/code>\u53c2\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u5206\u5757\u8bfb\u53d6\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5206\u5757\u8bfb\u53d6\u6587\u4ef6<\/p>\n<p>chunk_size = 10000  # \u6bcf\u6b21\u8bfb\u53d610000\u884c<\/p>\n<p>for file in excel_files:<\/p>\n<p>    file_path = os.path.join(folder_path, file)<\/p>\n<p>    for chunk in pd.read_excel(file_path, chunksize=chunk_size):<\/p>\n<p>        dataframes.append(chunk)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u5408\u5e76\u7279\u5b9a\u7684\u5de5\u4f5c\u8868<\/p>\n<\/p>\n<p><p>\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u53ea\u60f3\u5408\u5e76\u7279\u5b9a\u7684\u5de5\u4f5c\u8868\u3002Pandas\u7684<code>read_excel<\/code>\u51fd\u6570\u5141\u8bb8\u60a8\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u5de5\u4f5c\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u6307\u5b9a\u5de5\u4f5c\u8868\u540d\u79f0<\/p>\n<p>sheet_name = &#39;Sheet1&#39;<\/p>\n<p>for file in excel_files:<\/p>\n<p>    file_path = os.path.join(folder_path, file)<\/p>\n<p>    df = pd.read_excel(file_path, sheet_name=sheet_name)<\/p>\n<p>    dataframes.append(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e03\u3001\u5904\u7406\u4e0d\u540c\u7ed3\u6784\u7684Excel\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u4e0d\u540c\u7684Excel\u6587\u4ef6\u53ef\u80fd\u5177\u6709\u4e0d\u540c\u7684\u5217\u7ed3\u6784\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u5728\u5408\u5e76\u4e4b\u524d\u8fdb\u884c\u6570\u636e\u6e05\u7406\u548c\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">for file in excel_files:<\/p>\n<p>    file_path = os.path.join(folder_path, file)<\/p>\n<p>    df = pd.read_excel(file_path)<\/p>\n<p>    # \u786e\u4fdd\u6240\u6709\u6570\u636e\u6846\u5177\u6709\u76f8\u540c\u7684\u5217<\/p>\n<p>    df = df.reindex(columns=desired_columns)<\/p>\n<p>    dataframes.append(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516b\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528Pandas\u5e93\uff0c\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\u53d8\u5f97\u975e\u5e38\u7b80\u5355\u548c\u9ad8\u6548\u3002\u65e0\u8bba\u662f\u5904\u7406\u5c0f\u578b\u6587\u4ef6\u8fd8\u662f\u5927\u578b\u6587\u4ef6\uff0cPandas\u90fd\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7\u5206\u5757\u8bfb\u53d6\u3001\u6307\u5b9a\u5de5\u4f5c\u8868\u540d\u79f0\u4ee5\u53ca\u6570\u636e\u6e05\u7406\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8c03\u6574\u5408\u5e76\u7b56\u7565\u3002\u540c\u65f6\uff0cPandas\u7684\u529f\u80fd\u975e\u5e38\u5f3a\u5927\uff0c\u4e0d\u4ec5\u9650\u4e8e\u5408\u5e76Excel\u6587\u4ef6\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u5206\u6790\u3001\u6e05\u6d17\u548c\u8f6c\u6362\u7b49\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\uff1f<\/strong><br \/>\u8981\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684pandas\u5e93\u3002\u9996\u5148\uff0c\u786e\u4fdd\u5df2\u5b89\u88c5pandas\u548copenpyxl\u5e93\u3002\u63a5\u7740\uff0c\u4f7f\u7528<code>pandas.read_excel()<\/code>\u8bfb\u53d6\u6bcf\u4e2aExcel\u6587\u4ef6\uff0c\u518d\u7528<code>pandas.concat()<\/code>\u5c06\u5b83\u4eec\u5408\u5e76\u3002\u6700\u540e\uff0c\u4f7f\u7528<code>DataFrame.to_excel()<\/code>\u5c06\u5408\u5e76\u540e\u7684\u6570\u636e\u8f93\u51fa\u5230\u65b0\u7684Excel\u6587\u4ef6\u4e2d\u3002<\/p>\n<p><strong>\u5408\u5e76Excel\u6587\u4ef6\u65f6\uff0c\u5982\u4f55\u5904\u7406\u91cd\u590d\u6570\u636e\uff1f<\/strong><br \/>\u5728\u5408\u5e76Excel\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528pandas\u7684<code>drop_duplicates()<\/code>\u65b9\u6cd5\u6765\u53bb\u9664\u91cd\u590d\u884c\u3002\u901a\u8fc7\u8bbe\u7f6e<code>keep<\/code>\u53c2\u6570\uff0c\u53ef\u4ee5\u9009\u62e9\u4fdd\u7559\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u91cd\u590d\u503c\u6216\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u7684\u503c\uff0c\u786e\u4fdd\u5408\u5e76\u540e\u7684\u6570\u636e\u96c6\u66f4\u52a0\u5e72\u51c0\u6574\u6d01\u3002<\/p>\n<p><strong>\u662f\u5426\u53ef\u4ee5\u5408\u5e76\u4e0d\u540c\u683c\u5f0f\u7684Excel\u6587\u4ef6\uff1f<\/strong><br \/>\u662f\u7684\uff0cPython\u652f\u6301\u5408\u5e76\u4e0d\u540c\u683c\u5f0f\u7684Excel\u6587\u4ef6\uff0c\u6bd4\u5982.xls\u548c.xlsx\u3002\u4f7f\u7528pandas\u65f6\uff0c\u786e\u4fdd\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\u6307\u5b9a\u6b63\u786e\u7684\u6587\u4ef6\u683c\u5f0f\uff0cpandas\u4f1a\u81ea\u52a8\u5904\u7406\u4e0d\u540c\u683c\u5f0f\u7684Excel\u6587\u4ef6\u5e76\u5c06\u5176\u5408\u5e76\u5230\u4e00\u4e2a\u6570\u636e\u6846\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5408\u5e76\u591a\u4e2aExcel\u6587\u4ef6\u5728Python\u4e2d\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Pandas\u5e93\u5b9e\u73b0\u3002Pandas\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u80fd\u529b\u548c\u7075 [&hellip;]","protected":false},"author":3,"featured_media":980302,"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\/980296"}],"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=980296"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/980296\/revisions"}],"predecessor-version":[{"id":980303,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/980296\/revisions\/980303"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/980302"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=980296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=980296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=980296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}