{"id":1034017,"date":"2024-12-31T11:46:48","date_gmt":"2024-12-31T03:46:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1034017.html"},"modified":"2024-12-31T11:46:50","modified_gmt":"2024-12-31T03:46:50","slug":"python%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%a6%82%e4%bd%95%e5%86%99csv","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1034017.html","title":{"rendered":"python\u5b57\u7b26\u4e32\u5982\u4f55\u5199csv"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/22ef3509-7ec8-4ec0-8e78-59a360d1ab1d.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5b57\u7b26\u4e32\u5982\u4f55\u5199csv\" \/><\/p>\n<p><p> <strong>Python\u5b57\u7b26\u4e32\u5199\u5165CSV\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\uff0c\u4f7f\u7528\u5185\u7f6e\u7684csv\u6a21\u5757\u3001pandas\u5e93\u3001\u6216\u8005\u624b\u52a8\u5904\u7406\u5b57\u7b26\u4e32\u5185\u5bb9\u7b49\u65b9\u6cd5\u3002\u63a8\u8350\u7684\u65b9\u6cd5\u5305\u62ec\uff1acsv\u6a21\u5757\u7684writer\u5bf9\u8c61\u3001pandas\u7684to_csv\u65b9\u6cd5\u3001\u624b\u52a8\u5904\u7406\u3002<\/strong>\u5176\u4e2d\uff0ccsv\u6a21\u5757\u7684writer\u5bf9\u8c61\u6700\u4e3a\u5e38\u7528\uff0c\u65b9\u4fbf\u4e14\u9ad8\u6548\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u7528\u8fd9\u51e0\u79cd\u65b9\u6cd5\u5c06Python\u5b57\u7b26\u4e32\u5199\u5165CSV\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528csv\u6a21\u5757<\/h3>\n<\/p>\n<p><p>Python\u5185\u7f6e\u7684csv\u6a21\u5757\u63d0\u4f9b\u4e86\u5904\u7406CSV\u6587\u4ef6\u7684\u529f\u80fd\uff0c\u5305\u542b\u8bfb\u5199CSV\u6587\u4ef6\u7684\u7b80\u4fbf\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528csv\u6a21\u5757\u5c06\u5b57\u7b26\u4e32\u5199\u5165CSV\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u521b\u5efaCSV\u6587\u4ef6\u5e76\u5199\u5165\u6570\u636e<\/h4>\n<\/p>\n<p><p>csv\u6a21\u5757\u4e2d\u7684<code>writer<\/code>\u5bf9\u8c61\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u3002\u9996\u5148\uff0c\u9700\u8981\u5bfc\u5165csv\u6a21\u5757\uff0c\u7136\u540e\u521b\u5efa\u4e00\u4e2aCSV\u6587\u4ef6\u5e76\u5199\u5165\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<h2><strong>\u5b9a\u4e49\u8981\u5199\u5165\u7684\u5b57\u7b26\u4e32\u6570\u636e<\/strong><\/h2>\n<p>data = [<\/p>\n<p>    [&quot;Name&quot;, &quot;Age&quot;, &quot;City&quot;],<\/p>\n<p>    [&quot;Alice&quot;, &quot;30&quot;, &quot;New York&quot;],<\/p>\n<p>    [&quot;Bob&quot;, &quot;25&quot;, &quot;Los Angeles&quot;],<\/p>\n<p>    [&quot;Charlie&quot;, &quot;35&quot;, &quot;Chicago&quot;]<\/p>\n<p>]<\/p>\n<h2><strong>\u521b\u5efa\u5e76\u6253\u5f00CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:<\/p>\n<p>    writer = csv.writer(file)<\/p>\n<p>    # \u5199\u5165\u6570\u636e<\/p>\n<p>    for row in data:<\/p>\n<p>        writer.writerow(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u5199\u5165\u5b57\u5178\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u9664\u4e86\u5199\u5165\u5217\u8868\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>DictWriter<\/code>\u5bf9\u8c61\u5c06\u5b57\u5178\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<h2><strong>\u5b9a\u4e49\u8981\u5199\u5165\u7684\u5b57\u5178\u6570\u636e<\/strong><\/h2>\n<p>data = [<\/p>\n<p>    {&quot;Name&quot;: &quot;Alice&quot;, &quot;Age&quot;: &quot;30&quot;, &quot;City&quot;: &quot;New York&quot;},<\/p>\n<p>    {&quot;Name&quot;: &quot;Bob&quot;, &quot;Age&quot;: &quot;25&quot;, &quot;City&quot;: &quot;Los Angeles&quot;},<\/p>\n<p>    {&quot;Name&quot;: &quot;Charlie&quot;, &quot;Age&quot;: &quot;35&quot;, &quot;City&quot;: &quot;Chicago&quot;}<\/p>\n<p>]<\/p>\n<h2><strong>\u83b7\u53d6\u5b57\u6bb5\u540d<\/strong><\/h2>\n<p>fieldnames = data[0].keys()<\/p>\n<h2><strong>\u521b\u5efa\u5e76\u6253\u5f00CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output_dict.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:<\/p>\n<p>    writer = csv.DictWriter(file, fieldnames=fieldnames)<\/p>\n<p>    # \u5199\u5165\u5b57\u6bb5\u540d<\/p>\n<p>    writer.writeheader()<\/p>\n<p>    # \u5199\u5165\u6570\u636e<\/p>\n<p>    for row in data:<\/p>\n<p>        writer.writerow(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528pandas\u5e93<\/h3>\n<\/p>\n<p><p>pandas\u5e93\u662fPython\u4e2d\u975e\u5e38\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u80fd\u8f7b\u677e\u5904\u7406CSV\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528pandas\u5e93\u5c06\u5b57\u7b26\u4e32\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u521b\u5efaDataFrame\u5e76\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<h2><strong>\u5b9a\u4e49\u8981\u5199\u5165\u7684\u5b57\u7b26\u4e32\u6570\u636e<\/strong><\/h2>\n<p>data = {<\/p>\n<p>    &quot;Name&quot;: [&quot;Alice&quot;, &quot;Bob&quot;, &quot;Charlie&quot;],<\/p>\n<p>    &quot;Age&quot;: [30, 25, 35],<\/p>\n<p>    &quot;City&quot;: [&quot;New York&quot;, &quot;Los Angeles&quot;, &quot;Chicago&quot;]<\/p>\n<p>}<\/p>\n<h2><strong>\u521b\u5efaDataFrame<\/strong><\/h2>\n<p>df = pd.DataFrame(data)<\/p>\n<h2><strong>\u5c06DataFrame\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>df.to_csv(&#39;output_pandas.csv&#39;, index=False)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u4ece\u5b57\u7b26\u4e32\u8bfb\u53d6\u6570\u636e\u5e76\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u6570\u636e\u53ef\u80fd\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u5b58\u5728\uff0c\u53ef\u4ee5\u5148\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aDataFrame\uff0c\u518d\u5199\u5165CSV\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p>from io import StringIO<\/p>\n<h2><strong>\u5b9a\u4e49\u8981\u5199\u5165\u7684\u5b57\u7b26\u4e32\u6570\u636e<\/strong><\/h2>\n<p>data = &quot;&quot;&quot;Name,Age,City<\/p>\n<p>Alice,30,New York<\/p>\n<p>Bob,25,Los Angeles<\/p>\n<p>Charlie,35,Chicago&quot;&quot;&quot;<\/p>\n<h2><strong>\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aDataFrame<\/strong><\/h2>\n<p>df = pd.read_csv(StringIO(data))<\/p>\n<h2><strong>\u5c06DataFrame\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>df.to_csv(&#39;output_from_string.csv&#39;, index=False)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u624b\u52a8\u5904\u7406\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n<p><p>\u5982\u679c\u4e0d\u4f7f\u7528csv\u6a21\u5757\u6216\u8005pandas\u5e93\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u5904\u7406\u5b57\u7b26\u4e32\u6570\u636e\u5e76\u5199\u5165CSV\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u7b80\u5355\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u624b\u52a8\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5b9a\u4e49\u8981\u5199\u5165\u7684\u5b57\u7b26\u4e32\u6570\u636e<\/p>\n<p>data = &quot;&quot;&quot;Name,Age,City<\/p>\n<p>Alice,30,New York<\/p>\n<p>Bob,25,Los Angeles<\/p>\n<p>Charlie,35,Chicago&quot;&quot;&quot;<\/p>\n<h2><strong>\u5c06\u5b57\u7b26\u4e32\u6570\u636e\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output_manual.csv&#39;, mode=&#39;w&#39;) as file:<\/p>\n<p>    file.write(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5e76\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5b9a\u4e49\u8981\u5199\u5165\u7684\u6570\u636e<\/p>\n<p>header = [&quot;Name&quot;, &quot;Age&quot;, &quot;City&quot;]<\/p>\n<p>rows = [<\/p>\n<p>    [&quot;Alice&quot;, &quot;30&quot;, &quot;New York&quot;],<\/p>\n<p>    [&quot;Bob&quot;, &quot;25&quot;, &quot;Los Angeles&quot;],<\/p>\n<p>    [&quot;Charlie&quot;, &quot;35&quot;, &quot;Chicago&quot;]<\/p>\n<p>]<\/p>\n<h2><strong>\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6570\u636e<\/strong><\/h2>\n<p>data = &quot;,&quot;.join(header) + &quot;\\n&quot; + &quot;\\n&quot;.join([&quot;,&quot;.join(row) for row in rows])<\/p>\n<h2><strong>\u5c06\u683c\u5f0f\u5316\u7684\u5b57\u7b26\u4e32\u6570\u636e\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output_formatted.csv&#39;, mode=&#39;w&#39;) as file:<\/p>\n<p>    file.write(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u5904\u7406\u590d\u6742\u6570\u636e\u7ed3\u6784<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5d4c\u5957\u5217\u8868\u6216\u5d4c\u5957\u5b57\u5178\u3002\u5904\u7406\u8fd9\u7c7b\u6570\u636e\u65f6\uff0c\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\uff0c\u63d0\u53d6\u6709\u7528\u7684\u4fe1\u606f\u5e76\u683c\u5f0f\u5316\u4e3aCSV\u683c\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u5904\u7406\u5d4c\u5957\u5217\u8868<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<h2><strong>\u5b9a\u4e49\u5d4c\u5957\u5217\u8868\u6570\u636e<\/strong><\/h2>\n<p>data = [<\/p>\n<p>    [&quot;Name&quot;, &quot;Age&quot;, &quot;Address&quot;, [&quot;City&quot;, &quot;State&quot;]],<\/p>\n<p>    [&quot;Alice&quot;, &quot;30&quot;, &quot;123 M<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n St&quot;, [&quot;New York&quot;, &quot;NY&quot;]],<\/p>\n<p>    [&quot;Bob&quot;, &quot;25&quot;, &quot;456 Maple Ave&quot;, [&quot;Los Angeles&quot;, &quot;CA&quot;]],<\/p>\n<p>    [&quot;Charlie&quot;, &quot;35&quot;, &quot;789 Oak Dr&quot;, [&quot;Chicago&quot;, &quot;IL&quot;]]<\/p>\n<p>]<\/p>\n<h2><strong>\u6241\u5e73\u5316\u6570\u636e\u5e76\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output_nested_list.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:<\/p>\n<p>    writer = csv.writer(file)<\/p>\n<p>    for row in data:<\/p>\n<p>        flat_row = row[:3] + row[3]<\/p>\n<p>        writer.writerow(flat_row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u5904\u7406\u5d4c\u5957\u5b57\u5178<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<h2><strong>\u5b9a\u4e49\u5d4c\u5957\u5b57\u5178\u6570\u636e<\/strong><\/h2>\n<p>data = [<\/p>\n<p>    {&quot;Name&quot;: &quot;Alice&quot;, &quot;Age&quot;: &quot;30&quot;, &quot;Address&quot;: {&quot;Street&quot;: &quot;123 Main St&quot;, &quot;City&quot;: &quot;New York&quot;, &quot;State&quot;: &quot;NY&quot;}},<\/p>\n<p>    {&quot;Name&quot;: &quot;Bob&quot;, &quot;Age&quot;: &quot;25&quot;, &quot;Address&quot;: {&quot;Street&quot;: &quot;456 Maple Ave&quot;, &quot;City&quot;: &quot;Los Angeles&quot;, &quot;State&quot;: &quot;CA&quot;}},<\/p>\n<p>    {&quot;Name&quot;: &quot;Charlie&quot;, &quot;Age&quot;: &quot;35&quot;, &quot;Address&quot;: {&quot;Street&quot;: &quot;789 Oak Dr&quot;, &quot;City&quot;: &quot;Chicago&quot;, &quot;State&quot;: &quot;IL&quot;}}<\/p>\n<p>]<\/p>\n<h2><strong>\u63d0\u53d6\u5b57\u6bb5\u540d<\/strong><\/h2>\n<p>fieldnames = [&quot;Name&quot;, &quot;Age&quot;, &quot;Street&quot;, &quot;City&quot;, &quot;State&quot;]<\/p>\n<h2><strong>\u6241\u5e73\u5316\u6570\u636e\u5e76\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output_nested_dict.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:<\/p>\n<p>    writer = csv.DictWriter(file, fieldnames=fieldnames)<\/p>\n<p>    writer.writeheader()<\/p>\n<p>    for row in data:<\/p>\n<p>        flat_row = {<\/p>\n<p>            &quot;Name&quot;: row[&quot;Name&quot;],<\/p>\n<p>            &quot;Age&quot;: row[&quot;Age&quot;],<\/p>\n<p>            &quot;Street&quot;: row[&quot;Address&quot;][&quot;Street&quot;],<\/p>\n<p>            &quot;City&quot;: row[&quot;Address&quot;][&quot;City&quot;],<\/p>\n<p>            &quot;State&quot;: row[&quot;Address&quot;][&quot;State&quot;]<\/p>\n<p>        }<\/p>\n<p>        writer.writerow(flat_row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u5904\u7406\u5927\u6570\u636e\u91cf<\/h3>\n<\/p>\n<p><p>\u5904\u7406\u5927\u6570\u636e\u91cf\u65f6\uff0c\u9700\u8981\u8003\u8651\u5185\u5b58\u548c\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u5904\u7406\u5927\u6570\u636e\u91cf\u7684\u5efa\u8bae\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u5206\u5757\u5904\u7406\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u5206\u5757\u5904\u7406\u6570\u636e\u53ef\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f7d\u5927\u91cf\u6570\u636e\u5230\u5185\u5b58\u4e2d\u3002\u4f7f\u7528pandas\u7684<code>chunksize<\/code>\u53c2\u6570\u53ef\u4ee5\u5206\u5757\u8bfb\u53d6\u548c\u5199\u5165CSV\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<h2><strong>\u5b9a\u4e49\u8981\u5199\u5165\u7684\u5927\u91cf\u6570\u636e<\/strong><\/h2>\n<p>data = {<\/p>\n<p>    &quot;Name&quot;: [&quot;Alice&quot;, &quot;Bob&quot;, &quot;Charlie&quot;] * 100000,<\/p>\n<p>    &quot;Age&quot;: [30, 25, 35] * 100000,<\/p>\n<p>    &quot;City&quot;: [&quot;New York&quot;, &quot;Los Angeles&quot;, &quot;Chicago&quot;] * 100000<\/p>\n<p>}<\/p>\n<h2><strong>\u521b\u5efaDataFrame<\/strong><\/h2>\n<p>df = pd.DataFrame(data)<\/p>\n<h2><strong>\u5206\u5757\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>df.to_csv(&#39;output_large.csv&#39;, index=False, chunksize=10000)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u4f7f\u7528\u751f\u6210\u5668\u5904\u7406\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u4f7f\u7528\u751f\u6210\u5668\u53ef\u4ee5\u9010\u884c\u751f\u6210\u6570\u636e\uff0c\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f7d\u5927\u91cf\u6570\u636e\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<h2><strong>\u5b9a\u4e49\u751f\u6210\u5668\u51fd\u6570<\/strong><\/h2>\n<p>def data_generator():<\/p>\n<p>    yield [&quot;Name&quot;, &quot;Age&quot;, &quot;City&quot;]<\/p>\n<p>    for i in range(1000000):<\/p>\n<p>        yield [&quot;Alice&quot;, str(30 + i % 10), &quot;New York&quot;]<\/p>\n<p>        yield [&quot;Bob&quot;, str(25 + i % 5), &quot;Los Angeles&quot;]<\/p>\n<p>        yield [&quot;Charlie&quot;, str(35 + i % 7), &quot;Chicago&quot;]<\/p>\n<h2><strong>\u4f7f\u7528\u751f\u6210\u5668\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;output_generator.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:<\/p>\n<p>    writer = csv.writer(file)<\/p>\n<p>    for row in data_generator():<\/p>\n<p>        writer.writerow(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u7ed3\u8bba<\/h3>\n<\/p>\n<p><p>\u5c06Python\u5b57\u7b26\u4e32\u5199\u5165CSV\u6587\u4ef6\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002<strong>\u4f7f\u7528csv\u6a21\u5757\u3001pandas\u5e93\u3001\u6216\u8005\u624b\u52a8\u5904\u7406\u5b57\u7b26\u4e32\u6570\u636e\uff0c\u90fd\u662f\u53ef\u884c\u7684\u65b9\u5f0f<\/strong>\u3002\u5bf9\u4e8e\u590d\u6742\u6570\u636e\u7ed3\u6784\uff0c\u9700\u8981\u8fdb\u884c\u9884\u5904\u7406\uff0c\u5c06\u6570\u636e\u6241\u5e73\u5316\u4e3aCSV\u683c\u5f0f\u3002\u5904\u7406\u5927\u6570\u636e\u91cf\u65f6\uff0c\u5efa\u8bae\u5206\u5757\u5904\u7406\u6216\u4f7f\u7528\u751f\u6210\u5668\uff0c\u4ee5\u63d0\u9ad8\u5185\u5b58\u548c\u6548\u7387\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u7406\u89e3\u548c\u638c\u63e1Python\u5b57\u7b26\u4e32\u5199\u5165CSV\u6587\u4ef6\u7684\u65b9\u6cd5\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u5c06\u5b57\u7b26\u4e32\u5199\u5165CSV\u6587\u4ef6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>csv<\/code>\u6a21\u5757\u6765\u5c06\u5b57\u7b26\u4e32\u5199\u5165CSV\u6587\u4ef6\u3002\u9996\u5148\uff0c\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u5e76\u521b\u5efa\u4e00\u4e2a<code>csv.writer<\/code>\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>writerow()<\/code>\u6216<code>writerows()<\/code>\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u4f5c\u4e3a\u884c\u5199\u5165CSV\u6587\u4ef6\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">import csv\n\ndata = [&quot;name&quot;, &quot;age&quot;, &quot;city&quot;]\nwith open(&#39;output.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:\n    writer = csv.writer(file)\n    writer.writerow(data)  # \u5199\u5165\u5355\u884c\n<\/code><\/pre>\n<p>\u786e\u4fdd\u5728\u5199\u5165\u65f6\uff0c\u6587\u4ef6\u8def\u5f84\u662f\u6b63\u786e\u7684\uff0c\u5e76\u4e14\u6709\u5199\u5165\u6743\u9650\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u5305\u542b\u7279\u6b8a\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u4ee5\u786e\u4fddCSV\u683c\u5f0f\u7684\u6b63\u786e\u6027\uff1f<\/strong><br \/>\u5728\u5904\u7406\u5305\u542b\u7279\u6b8a\u5b57\u7b26\uff08\u4f8b\u5982\u9017\u53f7\u6216\u6362\u884c\u7b26\uff09\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u4f7f\u7528<code>csv<\/code>\u6a21\u5757\u7684<code>writer<\/code>\u5bf9\u8c61\u4f1a\u81ea\u52a8\u4e3a\u60a8\u5904\u7406\u8fd9\u4e9b\u5b57\u7b26\u3002<code>csv<\/code>\u6a21\u5757\u4f1a\u5c06\u8fd9\u4e9b\u7279\u6b8a\u5b57\u7b26\u653e\u5165\u5f15\u53f7\u4e2d\uff0c\u4ece\u800c\u786e\u4fdd\u8f93\u51fa\u7684CSV\u6587\u4ef6\u683c\u5f0f\u6b63\u786e\u3002\u5982\u679c\u60a8\u624b\u52a8\u5904\u7406\u5b57\u7b26\u4e32\uff0c\u8bf7\u786e\u4fdd\u5728\u5199\u5165\u524d\u5bf9\u5176\u8fdb\u884c\u9002\u5f53\u7684\u8f6c\u4e49\u3002<\/p>\n<p><strong>\u80fd\u5426\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u5199\u5165\u540c\u4e00\u4e2aCSV\u6587\u4ef6\uff1f<\/strong><br \/>\u5f53\u7136\u53ef\u4ee5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528<code>writerows()<\/code>\u65b9\u6cd5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u5199\u5165\u540c\u4e00\u4e2aCSV\u6587\u4ef6\u3002\u8fd9\u4e2a\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u4f8b\u5982\u5217\u8868\u6216\u5143\u7ec4\u7684\u5217\u8868\uff09\uff0c\u6bcf\u4e2a\u5b50\u5217\u8868\u90fd\u5c06\u4f5c\u4e3aCSV\u6587\u4ef6\u4e2d\u7684\u4e00\u884c\u5199\u5165\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">import csv\n\nrows = [\n    [&quot;name&quot;, &quot;age&quot;, &quot;city&quot;],\n    [&quot;Alice&quot;, &quot;30&quot;, &quot;New York&quot;],\n    [&quot;Bob&quot;, &quot;25&quot;, &quot;Los Angeles&quot;]\n]\nwith open(&#39;output.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:\n    writer = csv.writer(file)\n    writer.writerows(rows)  # \u5199\u5165\u591a\u884c\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u60a8\u5c06\u80fd\u591f\u5728\u4e00\u4e2aCSV\u6587\u4ef6\u4e2d\u5b58\u50a8\u591a\u6761\u8bb0\u5f55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5b57\u7b26\u4e32\u5199\u5165CSV\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\uff0c\u4f7f\u7528\u5185\u7f6e\u7684csv\u6a21\u5757\u3001pandas\u5e93\u3001\u6216\u8005\u624b\u52a8\u5904\u7406\u5b57\u7b26\u4e32\u5185\u5bb9\u7b49\u65b9\u6cd5 [&hellip;]","protected":false},"author":3,"featured_media":1034033,"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\/1034017"}],"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=1034017"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1034017\/revisions"}],"predecessor-version":[{"id":1034037,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1034017\/revisions\/1034037"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1034033"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1034017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1034017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1034017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}