自己做的4×4键盘扫描，加入了按下消抖动，松开输入数据的简单功能。-Do their own 4 × 4 keyboard scanning, joined the press extinction jitter, release a simple function of the input data.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001375s ]
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:0.078531s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001275s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001336s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001199s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003603s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001528s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004228s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014663s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001490s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 182314 [ RunTime:0.028209s ]
