牛顿向前插值法，完全自己编的，可以在X表的范围内任意输入一个值，代码挺好的-Newton forward interpolation method, fully developed, the X within the context of an arbitrary input value, the code is very good
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001795s ]
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:0.077664s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001039s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001109s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001039s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003009s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000991s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003571s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018954s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001145s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 178927 [ RunTime:0.013924s ]
