学习多线程编程不可多得得例子，思路清晰， 并可为深入学习的人进一步应用。-learning multithreaded programming in a rare example of clear ideas and being able to study in depth the further application.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001976s ]
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:0.140102s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001829s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003248s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001857s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006188s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001617s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005934s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024895s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002136s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 286082 [ RunTime:0.001569s ]
