（作者注：其实模糊算法是很复杂的一门学科，《Digital Image Processing》 Rafael C. Gonzalez / Richard E. Woods这本书上讲的还是太过简单了，仅仅也只是算皮毛而已，对于模糊算法还没有一个清晰的认识。残留下来了几个问题：①隶属度函数的制定有什么样的原则？②我们再使用模糊算法之前，希望得到一个什么样的结果，而实际得到的结果又怎么样去评估这个算法的好坏呢？③其他的反模糊算法与重心法的区别是什么？这些问题还有待深入的研究）
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001761s ]
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:0.260577s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.194325s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.006612s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.015045s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.014000s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.009201s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.026247s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.075965s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.021189s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 7944 [ RunTime:0.153766s ]
