可以实现 CRectTrack 类功能的拖动类，可以移动拖动直线，可拖动普通 CObject 对象。-Can realize the drag CRectTrack functional category, drag a straight line can be moved to drag the general CObject object.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002565s ]
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:0.098280s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001964s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001936s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002232s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003837s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002160s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003360s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017511s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003299s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 205745 [ RunTime:0.001489s ]
