电动机pid控制的源码（算法），具有比较规范的数据结构，例外很好地应用了pid控制算法。-Motor pid control of the source (algorithm), with a standard data structure, exceptions to the application of good pid control algorithm.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002092s ]
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:0.089337s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002539s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002210s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002445s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003858s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001912s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003338s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015577s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003023s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 210602 [ RunTime:0.001540s ]
