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一文吃透 Python 爬虫原理!

  • 2026-04-16 07:05:40
一文吃透 Python 爬虫原理!
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  1. CONNECT:[ UseTime:0.000507s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001685s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000549s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000295s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000624s ]
  6. SELECT * FROM `set` [ RunTime:0.000225s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000629s ]
  8. SELECT * FROM `article` WHERE `id` = 485729 LIMIT 1 [ RunTime:0.001055s ]
  9. UPDATE `article` SET `lasttime` = 1776318975 WHERE `id` = 485729 [ RunTime:0.001871s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000291s ]
  11. SELECT * FROM `article` WHERE `id` < 485729 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000501s ]
  12. SELECT * FROM `article` WHERE `id` > 485729 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000414s ]
  13. SELECT * FROM `article` WHERE `id` < 485729 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000889s ]
  14. SELECT * FROM `article` WHERE `id` < 485729 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000996s ]
  15. SELECT * FROM `article` WHERE `id` < 485729 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002120s ]
0.109178s