不好意思，这个题目并没有一个固定的答案。因为一天的时间长度是固定的，而秒钟的计量单位也是固定的，所以一天有24小时 x 60分钟 x 60秒 = 86400秒。但是如果我们考虑闰秒的存在，那么就得看具体的年份和当年是否有闰秒的增加了。所以，答案可能是86400秒，也可能是86401秒或者86402秒，甚至更多。
SHOW FULL COLUMNS FROM `tool_brainteaser` [ RunTime:0.001083s ]
SELECT `id`,`topic`,`answer` FROM `tool_brainteaser` WHERE `switch` = 1 AND `id` = 17984 LIMIT 1 [ RunTime:0.000344s ]
UPDATE `tool_brainteaser` SET `views` = `views` + 1 WHERE `id` = 17984 [ RunTime:0.001624s ]
SELECT `id`,`topic`,`answer` FROM `tool_brainteaser` WHERE `id` IN (10987,9629,1666,3629,7558,13580,19215,4647,4103,7012,12203,19948,18623,6759,6815,10674,10134,19428,3519,10171,15626,1017,879,4213) AND `switch` = 1 ORDER BY `id` DESC [ RunTime:0.000651s ]
SELECT `id`,`topic` FROM `tool_brainteaser` WHERE `id` < 17984 AND `switch` = 1 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000350s ]
SELECT `id`,`topic` FROM `tool_brainteaser` WHERE `id` > 17984 AND `switch` = 1 ORDER BY `id` LIMIT 1 [ RunTime:0.000478s ]
热门工具排行榜