cpoint的链表类的继承类，重写了其中的增加查找等函数，增加了直线拟合方面的函数。-cpoint class inheritance list of categories, rewriting them, such as the increase in search function, an increase of fitting a straight line function areas.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002065s ]
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:0.089610s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002332s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002049s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002393s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003992s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002211s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003364s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024776s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003188s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 213649 [ RunTime:0.001334s ]
