可以实现简单的画图功能，并能对所画的图进行存储与打开，功能可以应付学校我实验-Can achieve a simple drawing functions, and can draw the map of the store with open, functional schools, I can cope with the experimental
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001351s ]
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:0.092545s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001273s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001244s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003574s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001039s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003245s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015059s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001275s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 211566 [ RunTime:0.001231s ]
