二维曲线的实现方法，用来画二维曲线 输入XY坐标即可以得到曲线图型-two-dimensional curve of the method used to draw two-dimensional curve that is the importation of XY coordinates can be curve-
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001715s ]
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:0.080284s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001059s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001337s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001083s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003321s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000919s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003805s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015416s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001148s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 301258 [ RunTime:0.016741s ]
