简单经典的概括了多线程了的知识，同时还把改知识用于事例，应该很有参考价值-simple classic summation of the multithreading knowledge, and knowledge also changed for example, it should be of great reference value
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001305s ]
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:0.095269s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001192s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002126s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001194s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003690s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000977s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003478s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014819s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001260s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 117440 [ RunTime:0.001402s ]
