一个“路由跟踪”程序，包括如何设置IP头标，如何对收发过程中的错误进行控制等内容。-a "routing track" procedures, including how to set up the IP header. Transceivers how to process the errors control content.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002067s ]
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:0.088223s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002268s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002177s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001983s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003592s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002149s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003234s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016152s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002762s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 149890 [ RunTime:0.001194s ]
