绘制给定数据的波形，跟上次传的那个一样，就是一个CGraph 类，主要是改进了一点算法，修正了一点错误-drawn to the waveform data set, with the last word that the same, which is a CGraph category, the main point is to improve the algorithm, amended 1:00 wrong. .
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001282s ]
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:0.091811s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000766s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001226s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000911s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003215s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000938s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003720s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014606s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001013s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 142157 [ RunTime:0.013548s ]
