VC++通过函数OnGetMemorySize()获取内存大小。包括系统系统总内存，系统可用内存，系统虚拟总内存，系统虚拟可用内存，系统虚拟已用内存。-VC through OnGetMemorySize function () access memory size. Systems include total memory, available memory system, the virtual memory system, the system of virtual memory available. virtual memory has been used.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001040s ]
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:0.085539s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001118s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001194s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001008s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003408s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000874s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003678s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014386s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001265s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 66010 [ RunTime:0.021516s ]
