用于单片机的PID调节子程序,经过多次改进,非常实用简单,已经用于多个产品上,非常稳定可靠-for SCM PID subroutine result, a very simple and practical. has been used for many products, a very stable and reliable
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001901s ]
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:0.088904s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002498s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002195s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003623s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002011s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003295s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014837s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002456s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 313930 [ RunTime:0.001156s ]
