关于常用的几个设计模式的java实现原代码(包括工厂模式，命令模式，观察者模式，策略模式，个体模式等)-on several commonly used design patterns to achieve the java source code (including factory pattern, order patterns, observer mode, strategy model, individual mode)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001706s ]
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:0.103076s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001238s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001898s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001236s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003719s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001076s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003194s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015266s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001351s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 49071 [ RunTime:0.001387s ]
