利用单片机产生音乐的程序， 优化的音符编码是这个程序最大的优点。-Single-chip computer generated music program, and optimize the code notes that the greatest advantages of this procedure.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001715s ]
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:0.101168s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001422s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001137s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003556s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000925s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004238s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015366s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001143s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 220023 [ RunTime:0.014322s ]
