变增益PID算法的c++实现，目前PID算法较多的是c代码写的，这里上传一个C++的-Variable gain PID algorithm c++ to achieve, the current is more PID algorithm code written in c, where a C++ From the
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001310s ]
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:0.090984s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001205s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001466s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004589s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001078s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015051s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001365s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 64185 [ RunTime:0.001313s ]
