按键检测，有四个按键与四个八段数码管对应，按不同的键相应的数码管显示-Key test, there are four buttons with four eight out of the digital control counterparts, according to different keys corresponding digital tube display
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001384s ]
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:0.096118s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001775s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003200s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001919s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006248s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001675s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005685s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024417s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002236s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 248356 [ RunTime:0.001606s ]
