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3分钟搞懂Python网页爬取!告别复杂低效操作!

  • 2026-07-02 16:50:51
3分钟搞懂Python网页爬取!告别复杂低效操作!

别再觉得 Python 爬虫很难了！其实入门并没有想象中复杂，跟着老师花 3 分钟搞懂网页请求、数据提取和基础代码，就能迈出第一步。

以前只能手动复制资料，现在可以用 Python 批量获取网页信息，效率直接提升。这份入门教程，建议新手直接收藏。

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. 请求信息 : 2026-07-02 21:59:34 HTTP/2.0 GET : https://f.mffb.com.cn/a/502660.html
  2. 运行时间 : 0.163462s [ 吞吐率：6.12req/s ] 内存消耗：4,456.75kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=27fb8ec3cc41beed4081041e290c1815
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  1. CONNECT:[ UseTime:0.000450s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000516s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000288s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000300s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000615s ]
  6. SELECT * FROM `set` [ RunTime:0.002901s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000655s ]
  8. SELECT * FROM `article` WHERE `id` = 502660 LIMIT 1 [ RunTime:0.006893s ]
  9. UPDATE `article` SET `lasttime` = 1783000774 WHERE `id` = 502660 [ RunTime:0.013911s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000437s ]
  11. SELECT * FROM `article` WHERE `id` < 502660 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002027s ]
  12. SELECT * FROM `article` WHERE `id` > 502660 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.014406s ]
  13. SELECT * FROM `article` WHERE `id` < 502660 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.017386s ]
  14. SELECT * FROM `article` WHERE `id` < 502660 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.016087s ]
  15. SELECT * FROM `article` WHERE `id` < 502660 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001769s ]
0.164996s