S7-200之间网络通信读写数据的程序，包括通信口，数据速率，控制字等的设置。-S7-200 to read and write data between the network communication procedures, including the communication port, data rate, control words and other settings.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001355s ]
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:0.090549s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001271s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001906s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001234s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003553s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001069s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003188s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014734s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001366s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 173453 [ RunTime:0.001246s ]
