PTR8000发送接收驱动程序。只需在主程序中只需做小小的改动就可以，使用这个模块！！！
-Send PTR8000 receive driver. Only in the main program in only small changes can make use of this module! ! !
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001227s ]
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:0.129387s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001184s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001919s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001180s ]
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:0.000991s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003182s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017472s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001304s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 145262 [ RunTime:0.002562s ]
