点阵显示，通过595通讯芯片，达到32×80的刷屏效果，但是刷新频率有些慢。-Dot-matrix display, through the 595 communications chip, reaching 32 × 80 of刷屏effects, but some slow refresh rate.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001219s ]
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:0.098020s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001164s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001864s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001179s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003581s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001001s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003313s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014831s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001865s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 111959 [ RunTime:0.001396s ]
