使用AT89C52驱动LED点阵，包涵源程序及PROTUES制作的原理图，内容完整-AT89C52-driven use of LED dot matrix, includes source code and schematics PROTUES production, content integrity
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002024s ]
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:0.090029s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002314s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002012s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002294s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003742s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002183s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003541s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019259s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003024s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 210591 [ RunTime:0.001370s ]
