以API方式编程，可以检测当前系统物理内存、虚拟内存以及页文件的总尺寸和可用大小。-API approach to programming, can detect the current system of physical memory, virtual memory and page file size and available size of the total.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001318s ]
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:0.098061s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001300s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002311s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002203s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003329s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003511s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004662s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015045s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001056s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 166119 [ RunTime:0.152858s ]
