边缘检测及轮廓跟踪的VC程序，学习图像处理的好帮手，能进行二次开发-Edge detection and contour tracing the VC process, learning a good helper image processing can also conduct secondary development
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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:0.089756s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001409s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001099s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001393s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 147613 [ RunTime:0.001446s ]
