定时关机程序，可控制电脑的定时关机，代码简单，适合初学者-Timing shutdown procedures, the computer can control the timing of the shutdown, the code is simple, suitable for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001949s ]
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:0.091372s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002465s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002053s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002090s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003893s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002384s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003247s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014906s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002536s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 188360 [ RunTime:0.001280s ]
