简单演示用VC怎样实现“关闭计算机”、“重新启动计算机”、“打开CD-ROM”、“关闭CD-ROM”。 -VC with a simple demonstration of how to achieve shut down your computer , restart your computer , open the CD-ROM , close the CD-ROM .
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001064s ]
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:0.088043s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000862s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001261s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000978s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003400s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000841s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003633s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015746s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001090s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 108995 [ RunTime:0.013757s ]