实现松下PLC与PC之间的通讯，对于需要自己开发通讯的人来说，有参考价值- Realizes between Matushita PLC and the PC communication,
regarding needs the person which own develops the communication to
say, has the reference value
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001384s ]
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:0.100874s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001426s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001951s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001421s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003704s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001199s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003304s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015406s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001737s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 318203 [ RunTime:0.001663s ]
