树形控件加入背景图，可以自由添加节点，删除节点，加入背景图等功能，比较玄的控件-Tree control by adding background image, they can add nodes, delete nodes, by adding features such as background image, compare Hyun control
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001176s ]
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:0.092557s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001101s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001855s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001102s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003538s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000914s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003149s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014347s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001113s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 180881 [ RunTime:0.001394s ]
