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:0.002209s ]
SELECT `id`,`topic`,`answer` FROM `tool_brainteaser` WHERE `switch` = 1 AND `id` = 18319 LIMIT 1 [ RunTime:0.000370s ]
UPDATE `tool_brainteaser` SET `views` = `views` + 1 WHERE `id` = 18319 [ RunTime:0.005414s ]
SELECT `id`,`topic`,`answer` FROM `tool_brainteaser` WHERE `id` IN (12865,10632,15426,15444,4647,2513,5349,18646,5247,3389,6345,3212,614,7217,8158,12867,18393,6967,13070,3882,4994,9418,17055,17406) AND `switch` = 1 ORDER BY `id` DESC [ RunTime:0.001731s ]
SELECT `id`,`topic` FROM `tool_brainteaser` WHERE `id` < 18319 AND `switch` = 1 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000388s ]
SELECT `id`,`topic` FROM `tool_brainteaser` WHERE `id` > 18319 AND `switch` = 1 ORDER BY `id` LIMIT 1 [ RunTime:0.000464s ]
热门工具排行榜
