非常好的双线性差值程序，代码简单，效果不错，已经通过调试，可直接使用-Bilinear difference between a very good program, the code is simple, good results have been through the debugging can be used directly
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000961s ]
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:0.093020s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.020110s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.012313s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.005644s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004189s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000905s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004001s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017492s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001167s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 121457 [ RunTime:0.032411s ]
