从西门PLC读取数据，上传到pc机，需要西门子Prodave封装库（隐式方法，.lib文件）-Simon read data from PLC, upload to pc machine, the need for Siemens Prodave package library (implicit method,. Lib files)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002123s ]
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:0.101563s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002480s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002127s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002337s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003736s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002074s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003612s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015553s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002801s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 204979 [ RunTime:0.001298s ]
