工控中PLC是最主要的设备之一，该源码实现PLC内部FIRMWARE对梯形图的解释，想国产PLC的人可以认真-IPC PLC is one of the main equipment, the source PLC internal FIRMWARE right Ladder explanation to the domestic PLC can seriously look at
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001260s ]
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:0.087538s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001203s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001917s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001220s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003578s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001041s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003256s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014599s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001340s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 124958 [ RunTime:0.001302s ]
