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Python爬虫必备的八大技巧

2026-03-23 20:07:52

Python爬虫必备的八大技巧

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请求信息 : 2026-03-27 09:54:04 HTTP/2.0 GET : https://f.mffb.com.cn/a/482403.html
运行时间 : 0.115164s [ 吞吐率：8.68req/s ] 内存消耗：4,626.24kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=21cda8bbad8ce22057803dc86eacfa23

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CONNECT:[ UseTime:0.000996s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001524s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000656s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000631s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001372s ]
SELECT * FROM `set` [ RunTime:0.000543s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001444s ]
SELECT * FROM `article` WHERE `id` = 482403 LIMIT 1 [ RunTime:0.001127s ]
UPDATE `article` SET `lasttime` = 1774576444 WHERE `id` = 482403 [ RunTime:0.014417s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000596s ]
SELECT * FROM `article` WHERE `id` < 482403 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001165s ]
SELECT * FROM `article` WHERE `id` > 482403 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001154s ]
SELECT * FROM `article` WHERE `id` < 482403 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001321s ]
SELECT * FROM `article` WHERE `id` < 482403 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003291s ]
SELECT * FROM `article` WHERE `id` < 482403 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006637s ]

0.116673s

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