这是一个小钢琴模拟程序，用JAVA语言编写，一个小APPLET程序，重点在于事件处理知识的掌握！-This is a small piano simulation program using Java language, a small APPLET procedures, focusing on how to deal with knowledge of!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001925s ]
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:0.090146s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002376s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001849s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002173s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003620s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002099s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003158s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014534s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002294s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 53338 [ RunTime:0.001369s ]
