我自己用C写的客户端组包发送DNS报文的小程序，已通过测试，抓包显示报文正常。-Using C to write my own client group sending DNS message packet of small procedures, has been tested to show the packet capture normal.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001419s ]
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:0.097818s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001261s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001943s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001297s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004364s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001159s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003377s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018594s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001796s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 186320 [ RunTime:0.001685s ]
