一java的小应用程序，在游戏中，用户随意抽出四张扑克牌，用加减乘除的方法将它们连接起来，使得结果等于24。-a small application, in a game in which users randomly picked four cards using the arithmetic method of connecting them, making the results mean 24.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001075s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.061407s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001204s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001175s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001098s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003188s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003726s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016123s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001556s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 94293 [ RunTime:0.020583s ]
