java 结构模式，装饰模式，不断增加类的功能，而不使用继承，包括例子。-java model, decorative patterns, the growing category of functional without the use of inheritance, including examples.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001322s ]
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:0.091760s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001264s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002185s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001301s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003659s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001120s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005963s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015663s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001428s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 47945 [ RunTime:0.001356s ]
