c++实现bezier曲线，算出bezier曲线的参数方程的系数，供其他绘图软件进行绘图，-c++ achieve Bezier curves, Bezier curves to calculate the parameters of equation coefficients for the other mapping software for mapping.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000998s ]
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:0.091601s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001009s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001184s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000939s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003103s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000781s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003690s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015164s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001190s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 65471 [ RunTime:0.015617s ]
