{"id":1088031,"date":"2025-01-08T13:40:38","date_gmt":"2025-01-08T05:40:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1088031.html"},"modified":"2025-01-08T13:40:41","modified_gmt":"2025-01-08T05:40:41","slug":"python%e5%a6%82%e4%bd%95%e6%88%aa%e5%8f%96txt%e6%96%87%e6%9c%ac%e4%b8%ad%e6%89%80%e9%9c%80%e6%95%b0%e6%8d%ae-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1088031.html","title":{"rendered":"python\u5982\u4f55\u622a\u53d6txt\u6587\u672c\u4e2d\u6240\u9700\u6570\u636e"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24200651\/cc7cb697-da2a-449d-8b1b-9820a4b9f483.webp\" alt=\"python\u5982\u4f55\u622a\u53d6txt\u6587\u672c\u4e2d\u6240\u9700\u6570\u636e\" \/><\/p>\n<p><p> <strong>Python\u622a\u53d6txt\u6587\u672c\u4e2d\u6240\u9700\u6570\u636e\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6587\u4ef6\u64cd\u4f5c\u7b49\u3002<\/strong>\u5176\u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u6700\u4e3a\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u63d0\u53d6\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u636e\u3002<strong>\u901a\u8fc7\u4f7f\u7528Python\u7684\u5185\u7f6e\u5e93\u5982re\u5e93\uff0c\u53ef\u4ee5\u7b80\u5316\u8bb8\u591a\u590d\u6742\u7684\u6587\u672c\u5904\u7406\u4efb\u52a1\u3002<\/strong><\/p>\n<\/p>\n<p><p><strong>\u6587\u4ef6\u64cd\u4f5c<\/strong>\u4e5f\u662f\u4e00\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u53ef\u4ee5\u5bf9\u6bcf\u4e00\u884c\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u7b5b\u9009\uff0c\u9002\u5408\u5904\u7406\u7ed3\u6784\u8f83\u4e3a\u89c4\u5219\u7684\u6587\u672c\u3002<strong>\u5b57\u7b26\u4e32\u64cd\u4f5c<\/strong>\u5219\u9002\u7528\u4e8e\u5bf9\u56fa\u5b9a\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u7b80\u5355\u7684\u622a\u53d6\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u53d6\u6570\u636e<\/strong>\uff1a\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5339\u914d\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5339\u914d\u590d\u6742\u7684\u6587\u672c\u6a21\u5f0f\u3002\u901a\u8fc7\u5b9a\u4e49\u5408\u9002\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u5feb\u901f\u63d0\u53d6\u51fatxt\u6587\u672c\u4e2d\u6240\u9700\u7684\u6570\u636e\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u622a\u53d6txt\u6587\u672c\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<hr>\n<p><h3>\u4e00\u3001\u6587\u4ef6\u64cd\u4f5c\u622a\u53d6\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u6587\u4ef6\u64cd\u4f5c\u662f\u6700\u57fa\u7840\u7684\u6587\u672c\u5904\u7406\u65b9\u6cd5\uff0c\u901a\u8fc7\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u53ef\u4ee5\u5bf9\u6bcf\u4e00\u884c\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u7b5b\u9009\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5904\u7406\u7ed3\u6784\u8f83\u4e3a\u89c4\u5219\u7684\u6587\u672c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/p>\n<p>with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    lines = file.readlines()<\/p>\n<h2><strong>\u904d\u5386\u6bcf\u4e00\u884c<\/strong><\/h2>\n<p>for line in lines:<\/p>\n<p>    # \u6839\u636e\u7279\u5b9a\u6761\u4ef6\u622a\u53d6\u6240\u9700\u6570\u636e<\/p>\n<p>    if &#39;\u5173\u952e\u5b57&#39; in line:<\/p>\n<p>        print(line)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528<code>with open<\/code>\u8bed\u53e5\u6253\u5f00\u6587\u4ef6\u5e76\u8bfb\u53d6\u6240\u6709\u884c\uff0c\u7136\u540e\u904d\u5386\u6bcf\u4e00\u884c\uff0c\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u7b5b\u9009\u51fa\u6240\u9700\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u5904\u7406\u7ed3\u6784\u8f83\u4e3a\u89c4\u5219\u7684\u6587\u672c\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u622a\u53d6\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u5bf9\u56fa\u5b9a\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u7b80\u5355\u7684\u622a\u53d6\u548c\u5904\u7406\uff0c\u9002\u7528\u4e8e\u5904\u7406\u683c\u5f0f\u8f83\u4e3a\u56fa\u5b9a\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/p>\n<p>with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    lines = file.readlines()<\/p>\n<h2><strong>\u904d\u5386\u6bcf\u4e00\u884c<\/strong><\/h2>\n<p>for line in lines:<\/p>\n<p>    # \u6309\u7167\u56fa\u5b9a\u683c\u5f0f\u622a\u53d6\u6570\u636e<\/p>\n<p>    data = line.split(&#39;,&#39;)[1]  # \u5047\u8bbe\u6570\u636e\u5728\u9017\u53f7\u5206\u9694\u7684\u7b2c\u4e8c\u5217<\/p>\n<p>    print(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528<code>split<\/code>\u65b9\u6cd5\u5c06\u6bcf\u4e00\u884c\u6309\u9017\u53f7\u5206\u9694\uff0c\u5e76\u63d0\u53d6\u7b2c\u4e8c\u5217\u7684\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u6d01\u9ad8\u6548\uff0c\u9002\u5408\u5904\u7406\u683c\u5f0f\u56fa\u5b9a\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u53d6\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5339\u914d\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5339\u914d\u590d\u6742\u7684\u6587\u672c\u6a21\u5f0f\u3002\u901a\u8fc7\u5b9a\u4e49\u5408\u9002\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u5feb\u901f\u63d0\u53d6\u51fatxt\u6587\u672c\u4e2d\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<h2><strong>\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/strong><\/h2>\n<p>with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<h2><strong>\u5b9a\u4e49\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/h2>\n<p>pattern = re.compile(r&#39;\\d{4}-\\d{2}-\\d{2}&#39;)  # \u793a\u4f8b\uff1a\u5339\u914d\u65e5\u671f\u683c\u5f0f<\/p>\n<h2><strong>\u67e5\u627e\u6240\u6709\u5339\u914d\u9879<\/strong><\/h2>\n<p>matches = pattern.findall(content)<\/p>\n<h2><strong>\u8f93\u51fa\u5339\u914d\u9879<\/strong><\/h2>\n<p>for match in matches:<\/p>\n<p>    print(match)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528<code>re.compile<\/code>\u65b9\u6cd5\u5b9a\u4e49\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5e76\u4f7f\u7528<code>findall<\/code>\u65b9\u6cd5\u67e5\u627e\u6240\u6709\u5339\u914d\u9879\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5904\u7406\u683c\u5f0f\u590d\u6742\u6216\u4e0d\u89c4\u5219\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u622a\u53d6\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f80\u5f80\u9700\u8981\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u6765\u622a\u53d6\u6240\u9700\u6570\u636e\uff0c\u4ee5\u5e94\u5bf9\u590d\u6742\u7684\u6587\u672c\u5904\u7406\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<h2><strong>\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/strong><\/h2>\n<p>with open(&#39;example.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    lines = file.readlines()<\/p>\n<h2><strong>\u5b9a\u4e49\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/h2>\n<p>pattern = re.compile(r&#39;\\d{4}-\\d{2}-\\d{2}&#39;)  # \u793a\u4f8b\uff1a\u5339\u914d\u65e5\u671f\u683c\u5f0f<\/p>\n<h2><strong>\u904d\u5386\u6bcf\u4e00\u884c<\/strong><\/h2>\n<p>for line in lines:<\/p>\n<p>    # \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6570\u636e<\/p>\n<p>    match = pattern.search(line)<\/p>\n<p>    if match:<\/p>\n<p>        date = match.group(0)<\/p>\n<p>        print(date)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u7ed3\u5408\u6587\u4ef6\u64cd\u4f5c\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u5e76\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6240\u9700\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u7075\u6d3b\u9ad8\u6548\uff0c\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u6587\u672c\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u4f7f\u7528Pandas\u5e93\u5904\u7406\u7ed3\u6784\u5316\u6587\u672c\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u5bf9\u4e8e\u7ed3\u6784\u5316\u7684\u6587\u672c\u6570\u636e\uff08\u5982CSV\u6587\u4ef6\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528Pandas\u5e93\u8fdb\u884c\u5904\u7406\u3002Pandas\u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u529f\u80fd\uff0c\u975e\u5e38\u9002\u5408\u5904\u7406\u8868\u683c\u5f62\u5f0f\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<h2><strong>\u8bfb\u53d6CSV\u6587\u4ef6<\/strong><\/h2>\n<p>df = pd.read_csv(&#39;example.csv&#39;)<\/p>\n<h2><strong>\u7b5b\u9009\u6240\u9700\u6570\u636e<\/strong><\/h2>\n<p>filtered_data = df[df[&#39;column_name&#39;] == &#39;\u5173\u952e\u5b57&#39;]<\/p>\n<h2><strong>\u8f93\u51fa\u7b5b\u9009\u7ed3\u679c<\/strong><\/h2>\n<p>print(filtered_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528<code>pd.read_csv<\/code>\u65b9\u6cd5\u8bfb\u53d6CSV\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7\u6761\u4ef6\u7b5b\u9009\u51fa\u6240\u9700\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u6d01\u9ad8\u6548\uff0c\u9002\u5408\u5904\u7406\u7ed3\u6784\u5316\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u5904\u7406\u5927\u6587\u4ef6\u7684\u6570\u636e\u622a\u53d6<\/h3>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5927\u6587\u4ef6\u7684\u5904\u7406\uff0c\u9700\u8981\u8003\u8651\u5185\u5b58\u4f7f\u7528\u548c\u5904\u7406\u6548\u7387\u3002\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u4ee5\u964d\u4f4e\u5185\u5b58\u6d88\u8017\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<h2><strong>\u5b9a\u4e49\u751f\u6210\u5668\u51fd\u6570<\/strong><\/h2>\n<p>def read_large_file(file_name):<\/p>\n<p>    with open(file_name, &#39;r&#39;) as file:<\/p>\n<p>        for line in file:<\/p>\n<p>            yield line<\/p>\n<h2><strong>\u5b9a\u4e49\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/h2>\n<p>pattern = re.compile(r&#39;\\d{4}-\\d{2}-\\d{2}&#39;)  # \u793a\u4f8b\uff1a\u5339\u914d\u65e5\u671f\u683c\u5f0f<\/p>\n<h2><strong>\u9010\u884c\u8bfb\u53d6\u5927\u6587\u4ef6\u5185\u5bb9<\/strong><\/h2>\n<p>for line in read_large_file(&#39;large_example.txt&#39;):<\/p>\n<p>    # \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6570\u636e<\/p>\n<p>    match = pattern.search(line)<\/p>\n<p>    if match:<\/p>\n<p>        date = match.group(0)<\/p>\n<p>        print(date)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570<code>read_large_file<\/code>\u9010\u884c\u8bfb\u53d6\u5927\u6587\u4ef6\u5185\u5bb9\uff0c\u5e76\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6240\u9700\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u9ad8\u6548\u8282\u7701\u5185\u5b58\uff0c\u9002\u5408\u5904\u7406\u5927\u6587\u4ef6\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u6587\u672c\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f80\u5f80\u9700\u8981\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u6587\u672c\u6570\u636e\uff0c\u5982JSON\u3001XML\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684\u89e3\u6790\u5e93\u6765\u5904\u7406\u8fd9\u4e9b\u683c\u5f0f\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import json<\/p>\n<p>import xml.etree.ElementTree as ET<\/p>\n<h2><strong>\u5904\u7406JSON\u683c\u5f0f\u6570\u636e<\/strong><\/h2>\n<p>with open(&#39;example.json&#39;, &#39;r&#39;) as file:<\/p>\n<p>    data = json.load(file)<\/p>\n<p>    # \u63d0\u53d6\u6240\u9700\u6570\u636e<\/p>\n<p>    value = data[&#39;key&#39;]<\/p>\n<p>    print(value)<\/p>\n<h2><strong>\u5904\u7406XML\u683c\u5f0f\u6570\u636e<\/strong><\/h2>\n<p>tree = ET.parse(&#39;example.xml&#39;)<\/p>\n<p>root = tree.getroot()<\/p>\n<h2><strong>\u63d0\u53d6\u6240\u9700\u6570\u636e<\/strong><\/h2>\n<p>for elem in root.findall(&#39;tag&#39;):<\/p>\n<p>    value = elem.text<\/p>\n<p>    print(value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u5206\u522b\u4f7f\u7528<code>json<\/code>\u5e93\u548c<code>xml.etree.ElementTree<\/code>\u5e93\u5904\u7406JSON\u548cXML\u683c\u5f0f\u7684\u6587\u672c\u6570\u636e\uff0c\u5e76\u63d0\u53d6\u6240\u9700\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u4ecb\u7ecd\uff0c\u53ef\u4ee5\u770b\u51faPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u622a\u53d6txt\u6587\u672c\u4e2d\u7684\u6240\u9700\u6570\u636e\uff0c\u5305\u62ec\u6587\u4ef6\u64cd\u4f5c\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u3001Pandas\u5e93\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u6216\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u590d\u6742\u7684\u6587\u672c\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><p><strong>\u6587\u4ef6\u64cd\u4f5c<\/strong>\u9002\u5408\u5904\u7406\u7ed3\u6784\u8f83\u4e3a\u89c4\u5219\u7684\u6587\u672c\uff0c\u64cd\u4f5c\u7b80\u5355\u76f4\u89c2\u3002<strong>\u5b57\u7b26\u4e32\u64cd\u4f5c<\/strong>\u9002\u7528\u4e8e\u5904\u7406\u56fa\u5b9a\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\uff0c\u65b9\u6cd5\u7b80\u6d01\u9ad8\u6548\u3002<strong>\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\u5219\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6587\u672c\u5339\u914d\u529f\u80fd\uff0c\u9002\u5408\u5904\u7406\u683c\u5f0f\u590d\u6742\u6216\u4e0d\u89c4\u5219\u7684\u6587\u672c\u6570\u636e\u3002<strong>Pandas\u5e93<\/strong>\u5219\u9002\u7528\u4e8e\u5904\u7406\u7ed3\u6784\u5316\u7684\u6587\u672c\u6570\u636e\uff0c\u5982CSV\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u4ee5\u964d\u4f4e\u5185\u5b58\u6d88\u8017\u3002\u5bf9\u4e8e\u591a\u79cd\u683c\u5f0f\u7684\u6587\u672c\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684\u89e3\u6790\u5e93\u6765\u5904\u7406\uff0c\u5982<code>json<\/code>\u5e93\u548c<code>xml.etree.ElementTree<\/code>\u5e93\u3002\u901a\u8fc7\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u622a\u53d6txt\u6587\u672c\u4e2d\u7684\u6240\u9700\u6570\u636e\uff0c\u6ee1\u8db3\u5404\u79cd\u6587\u672c\u5904\u7406\u9700\u6c42\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6txt\u6587\u4ef6\u4e2d\u7684\u7279\u5b9a\u884c\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>open()<\/code>\u51fd\u6570\u6253\u5f00txt\u6587\u4ef6\uff0c\u5e76\u7ed3\u5408<code>readlines()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6240\u6709\u884c\u3002\u7136\u540e\uff0c\u901a\u8fc7\u7d22\u5f15\u53ef\u4ee5\u63d0\u53d6\u6240\u9700\u7684\u7279\u5b9a\u884c\u3002\u4f8b\u5982\uff0c<code>lines = open(&#39;file.txt&#39;).readlines()<\/code>\uff0c\u7136\u540e\u4f7f\u7528<code>desired_line = lines[line_number]<\/code>\u83b7\u53d6\u6240\u9700\u7684\u884c\u3002<\/p>\n<p><strong>Python\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u65b9\u6cd5\u6765\u67e5\u627e\u7279\u5b9a\u6587\u672c\uff1f<\/strong><br \/>\u8981\u5728txt\u6587\u4ef6\u4e2d\u67e5\u627e\u7279\u5b9a\u6587\u672c\uff0c<code>in<\/code>\u5173\u952e\u5b57\u662f\u4e00\u4e2a\u7b80\u5355\u6709\u6548\u7684\u9009\u62e9\u3002\u901a\u8fc7\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5e76\u68c0\u67e5\u6bcf\u4e00\u884c\u662f\u5426\u5305\u542b\u76ee\u6807\u6587\u672c\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">with open(&#39;file.txt&#39;, &#39;r&#39;) as file:\n    for line in file:\n        if &#39;\u76ee\u6807\u6587\u672c&#39; in line:\n            print(line)\n<\/code><\/pre>\n<p><strong>\u5982\u4f55\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5728txt\u6587\u4ef6\u4e2d\u63d0\u53d6\u6570\u636e\uff1f<\/strong><br \/>Python\u7684<code>re<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u4ecetxt\u6587\u4ef6\u4e2d\u63d0\u53d6\u590d\u6742\u6a21\u5f0f\u7684\u6570\u636e\u3002\u9996\u5148\uff0c\u5bfc\u5165\u6a21\u5757\u5e76\u7f16\u5199\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u7136\u540e\u4f7f\u7528<code>re.findall()<\/code>\u65b9\u6cd5\u6765\u641c\u7d22\u5e76\u63d0\u53d6\u5339\u914d\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">import re\nwith open(&#39;file.txt&#39;, &#39;r&#39;) as file:\n    content = file.read()\n    matches = re.findall(r&#39;\u6b63\u5219\u8868\u8fbe\u5f0f&#39;, content)\n    print(matches)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u4ece\u6587\u672c\u4e2d\u63d0\u53d6\u7279\u5b9a\u683c\u5f0f\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u622a\u53d6txt\u6587\u672c\u4e2d\u6240\u9700\u6570\u636e\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6587\u4ef6\u64cd\u4f5c\u7b49\u3002\u5176\u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f [&hellip;]","protected":false},"author":3,"featured_media":1088043,"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\/1088031"}],"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=1088031"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1088031\/revisions"}],"predecessor-version":[{"id":1088046,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1088031\/revisions\/1088046"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1088043"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1088031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1088031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1088031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}