说到分页算法，一般WEB开发都会用到，我只是在我的实现技术上用了struts框架，其实原理都一样的。
-Speaking of paging algorithms, general WEB development will be used, I just in my realization of the technical use of the struts framework, in fact, the principle is the same.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001740s ]
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:0.137292s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001100s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001844s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.005162s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006889s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002588s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006580s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021373s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.005148s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 210719 [ RunTime:0.314240s ]
