实现了嵌入式linux开发板上RFID卡片的读写，读取后的信息经过处理后发送到后台-Embedded linux development board implements RFID card read and write, read the following information has been processed is sent to the background
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001238s ]
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:0.098694s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001372s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001901s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001225s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003588s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001022s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003173s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014242s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001237s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 225381 [ RunTime:0.002916s ]
