linux下的Tcp服务器，采用的是Epoll模式，deamon程序，适合大家学习网络编程。-Tcp server under linux, using the Epoll mode, deamon process, suitable for them to learn network programming.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001600s ]
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:0.120011s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000971s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001228s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001002s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003215s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000956s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003704s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017382s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001111s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 180663 [ RunTime:0.018139s ]
