一个短小精悍的UDP点对点聊天代码，虽小但包含了如何设计UDP传输消息，适合初学者快速上手网络编程。-A dapper UDP peer-to-peer chat code, may be small but includes how to design UDP transmission message, suitable for beginners and running faster network programming.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001325s ]
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:0.089001s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001228s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001895s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001265s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003610s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001068s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003238s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014587s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001335s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 184506 [ RunTime:0.001257s ]
