排序算法，运用归并排序的思想，再加快时间内解决排序问题，并显示在单文档上。-Sorting algorithm, using merge sort of thought, and then speed up the time to solve the scheduling problem, and show in a single document.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002008s ]
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:0.087881s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002184s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002517s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004456s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002271s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016328s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002493s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 295059 [ RunTime:0.002301s ]
