图形中LAB的算法，与标准有一定差异，但使用决对没有问题，我用它开发了不少东东。-the algorithm, the standard is different, but decided to use no problem, I use it a lot of the Eastern Development.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001276s ]
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:0.080038s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000959s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001206s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001395s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004458s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001061s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003759s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015583s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001409s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 303220 [ RunTime:0.016084s ]
