我的数据结构的实验题，停车场，用栈和队列 模拟停车场，实现进车和出车-my data structure experiment, a car park, with Stack and Queue simulated car parks, to achieve progress and out of cars
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001290s ]
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:0.116366s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001092s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000900s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003047s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000859s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003923s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016858s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.005271s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 122524 [ RunTime:0.017812s ]
