zlg7290加液晶显示，本次拓展了20个按键，每按一键会在液晶上显示不同的数值。已通过硬件实现。-zlg7290 plus LCD display, this extends the 20 keys, each press a button in the LCD display different values. Has passed the hardware implementation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001448s ]
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:0.095812s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001048s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001855s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001192s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003745s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001225s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003248s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014527s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001231s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 223457 [ RunTime:0.001231s ]
