BM快速搜索算法的实现。可以实现诸如edit等软件的搜索功能，作者已经做过对比测试。-BM quick search algorithm. Can be achieved, such as edit software such as search capabilities, the author has done comparison testing.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001376s ]
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:0.094303s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001326s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001934s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001256s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003672s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001096s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003296s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014842s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001484s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 275655 [ RunTime:0.001455s ]
