c语言的PID控制算法程序，作为工业控制中的一种常用控制算法PID运算。-c language PID control algorithm procedures for industrial control of a PID control algorithm commonly used operations.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001575s ]
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:0.086279s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001061s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001157s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000926s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003122s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000830s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003759s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018605s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001199s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 218179 [ RunTime:0.034699s ]
