java下的画图工具，GUI初学，使用类管理对象，支持多个对象的选取拖移等
实现功能
1. draw line, circle, rectangle, text
2. change the color of a target
3. change the position of a targets
4. change the size of a targets
5. save images as files and load a image file
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001207s ]
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:0.135108s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001616s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003204s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001648s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006196s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001407s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006789s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015628s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001234s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 52138 [ RunTime:0.005849s ]
