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【Python学习】15字符串的索引方法

2026-02-27 03:12:17

【Python学习】15字符串的索引方法

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请求信息 : 2026-02-28 10:53:46 HTTP/2.0 GET : https://f.mffb.com.cn/a/475878.html
运行时间 : 0.223098s [ 吞吐率：4.48req/s ] 内存消耗：4,433.50kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=0ae508b1a61338c783d57982965b74c0

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CONNECT:[ UseTime:0.000653s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000677s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000494s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002013s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000577s ]
SELECT * FROM `set` [ RunTime:0.024008s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000613s ]
SELECT * FROM `article` WHERE `id` = 475878 LIMIT 1 [ RunTime:0.000487s ]
UPDATE `article` SET `lasttime` = 1772247226 WHERE `id` = 475878 [ RunTime:0.005388s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000250s ]
SELECT * FROM `article` WHERE `id` < 475878 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001569s ]
SELECT * FROM `article` WHERE `id` > 475878 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000424s ]
SELECT * FROM `article` WHERE `id` < 475878 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001337s ]
SELECT * FROM `article` WHERE `id` < 475878 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006908s ]
SELECT * FROM `article` WHERE `id` < 475878 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.025408s ]

0.228130s

ShowPageTrace