数学建模最优化问题的lingo编程解法，一开始还先介绍lingo的基本知识。-Optimization problem of mathematical modeling of lingo programming method, also the first one started to introduce basic knowledge of lingo.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001539s ]
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:0.100411s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001359s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001942s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001521s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004148s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001258s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003606s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015276s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001595s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 127536 [ RunTime:0.001442s ]
