消息传递机制是WINDOWS编程的基础，只有深入了解了才能更好地编写WINDOWS程序，此代码就向你展现了消息传递的内幕-the mechnism of message transfering is the basis of windows programming. Untile a through understanding has been made, one can have a good command of windows programming. This program shows you the inner working principle of message transfering.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001301s ]
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:0.133757s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001505s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003500s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001503s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006362s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001304s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007301s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024330s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002997s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 299410 [ RunTime:0.001553s ]
