MAX7219用于键盘控制和led控制的专用芯片，对于初学者有很大的帮助。-MAX7219 uses in the keyboard control and the led control
special-purpose chip, has the very big help regarding the beginner.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001664s ]
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:0.099291s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001326s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001490s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004095s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001313s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003721s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017704s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001540s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 318003 [ RunTime:0.001389s ]
