PPP拨号上网协议栈，通过串口编程，实现PPP拨号网络底层协议以及TCP/IP协议，主要用于GPRS，CDMA，电话拨号等通信领域。-PPP dial-up Internet protocol stack, through serial programming, PPP dial-up network to achieve agreement and the underlying TCP/IP protocol, mainly for GPRS, CDMA, such as dial-up telephone communications.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001258s ]
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:0.079305s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000980s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001254s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000997s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003105s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000908s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003877s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013925s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001090s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 307323 [ RunTime:0.017102s ]
