,线程的封装源代码，以及线程组的封装。并采用消息控制线程的方法。
-, The thread package source code, as well as the thread group of packages. And using the message thread of control methods.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001412s ]
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:0.093549s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001175s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002051s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001283s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003605s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001038s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003159s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014887s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001396s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 253345 [ RunTime:0.001363s ]
