本程序通过x,y坐标的两次拉格朗日插值 实现非简单曲线的绘制 通过鼠标取点，简单易用-this program through x, y coordinates of the two Lagrange simple interpolation to achieve the curve by drawing from the mouse, easy to use
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001397s ]
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:0.093810s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001219s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001985s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001317s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003613s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001115s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003223s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015022s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001436s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 111886 [ RunTime:0.001425s ]
