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:0.001471s ]
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:0.096412s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001601s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001163s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000998s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003047s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000904s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003711s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024669s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001550s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 111959 [ RunTime:0.015837s ]
