如何用Python生成sitemap.xml网站地图

import xml.etree.ElementTree as ET
from datetime import datetime
<h1>创建根元素</h1><p>urlset = ET.Element("urlset", xmlns="<a href="https://www.php.cn/link/654f3a10edb3bb1755a43cc4f9be9dc6">https://www.php.cn/link/654f3a10edb3bb1755a43cc4f9be9dc6</a>")</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/00968c3c2c15" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">Python免费学习笔记（深入）</a>”；</p>
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                <h1>定义页面数据（实际项目中可从数据库、文件列表或 CMS API 获取）</h1><p>pages = [
{"loc": "<a href="https://www.php.cn/link/e4639aefe47ac53c3df3d8f9846b5161">https://www.php.cn/link/e4639aefe47ac53c3df3d8f9846b5161</a>", "lastmod": "2024-05-01", "changefreq": "weekly", "priority": "1.0"},
{"loc": "<a href="https://www.php.cn/link/e4639aefe47ac53c3df3d8f9846b5161about/">https://www.php.cn/link/e4639aefe47ac53c3df3d8f9846b5161about/</a>", "lastmod": "2024-04-22", "changefreq": "monthly", "priority": "0.8"},
{"loc": "<a href="https://www.php.cn/link/e4639aefe47ac53c3df3d8f9846b5161blog/">https://www.php.cn/link/e4639aefe47ac53c3df3d8f9846b5161blog/</a>", "lastmod": "2024-05-10", "changefreq": "daily", "priority": "0.9"},
]</p><p>for page in pages:
url = ET.SubElement(urlset, "url")
ET.SubElement(url, "loc").text = page["loc"]
ET.SubElement(url, "lastmod").text = page["lastmod"]
ET.SubElement(url, "changefreq").text = page["changefreq"]
ET.SubElement(url, "priority").text = page["priority"]</p><h1>写入文件（缩进需手动处理，或用第三方库如 xmltodict / lxml 美化）</h1><p>tree = ET.ElementTree(urlset)
tree.write("sitemap.xml", encoding="utf-8", xml_declaration=True)</p><p>print("✅ sitemap.xml 已生成")