单片机控制的图文屏，采用12864液晶显示，并有时钟芯片提供时间。液晶显示可以显示图和文字。-SCM graphic screen, liquid crystal display used 12864, and has provided the time clock chip. LCD can display maps and text.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001779s ]
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:0.143249s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001604s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002957s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001418s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005039s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001440s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005526s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015829s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001516s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 197034 [ RunTime:0.001425s ]
