单片机密码锁，四位数码管显示，6个按键做密码，一个做设置键，一个做解码键，解码成功蜂鸣器响-SCM password lock, 4 digital LED display, 6 keys to do the password to do a set key, a make decoding key, decode the success of buzzer sound
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001352s ]
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:0.089829s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001879s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003172s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002194s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005787s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001630s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005024s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021368s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002174s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 166650 [ RunTime:0.001803s ]
