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Python爬虫从入门到实践保姆级教程,看完你的爬虫就很牛了!

  • 2026-06-28 01:01:57
Python爬虫从入门到实践保姆级教程,看完你的爬虫就很牛了!

什么是爬虫？

简单说：只要浏览器能打开看到的数据，爬虫都能把它抓下来。爬虫本质就是模拟浏览器打开网页，把你需要的信息提取出来。

对比其他编程语言，Python 做爬虫优势很明显：网页请求接口简洁，各类成熟的网页访问工具一应俱全。

想快速学会 Python 爬虫？

这篇文章先把爬虫基础概念讲明白，带你上手urllib、BeautifulSoup4、re标准库，搭配实战案例，零基础也能轻松抓取网页数据。

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000604s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000771s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002692s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000882s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000505s ]
  6. SELECT * FROM `set` [ RunTime:0.002856s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000638s ]
  8. SELECT * FROM `article` WHERE `id` = 500871 LIMIT 1 [ RunTime:0.009741s ]
  9. UPDATE `article` SET `lasttime` = 1783016396 WHERE `id` = 500871 [ RunTime:0.016525s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002425s ]
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0.118396s