单片机的入门小程序，用它来来扫描键盘，并根据不同的按键方式，显示不同流水灯-Procedures for the entry of small single-chip, to use it to scan the keyboard and buttons according to different methods show different water lights
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002861s ]
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:0.097324s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002198s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002056s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001729s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003722s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.004355s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003273s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018050s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003323s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 191623 [ RunTime:0.001430s ]
