对卡拉OK程序的编写，定时器的使用和DrawText函数的巧妙运用。使用CDC的裁减功能。-Karaoke OK for the preparation of procedures, the use of timers and the ingenious use of DrawText function. The reduction of the use of CDC functions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001321s ]
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:0.091211s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001250s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001947s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001287s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003681s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001088s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003315s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017711s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001383s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 317140 [ RunTime:0.003647s ]
