用调用函数法实现bp网络，已载入训练和测试样本供大家分享和学习，有较理想的差准率和查全率。-Call function method used to achieve bp network, has been printed in the training and test samples for all to share and learn from, there are better rates and quasi-differential recall.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001407s ]
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:0.122384s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001861s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003006s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001800s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006130s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001823s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005860s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025791s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002148s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 245870 [ RunTime:0.001736s ]
