mc55上关于GPRS连接和测试的文本，使用AT命令实现测试
-mc55 on GPRS connection and testing of the text, use the AT command to test mc55 on GPRS connection and testing of the text, use the AT command to test
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000977s ]
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:0.077493s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001011s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001143s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000993s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003232s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001139s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005070s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015692s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001124s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 111556 [ RunTime:0.016252s ]
