设计模式中单件类的例子，用VC++开发，有源码和可执行程序，直接编译运行。是根据李建忠的设计模式讲义编写的例子，对初学设计模式的人很有帮助。-Design Patterns in a single category of examples, using VC++ development, there is source code and executable programs, run the compiler directly. LI Jian-zhong design is based on notes prepared by the example model of learning design patterns were very helpful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001395s ]
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:0.070337s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001246s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001168s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000942s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003302s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000799s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003602s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013555s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001132s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 60441 [ RunTime:0.013069s ]
