很多时候，我们使用工厂模式来管理生成的实例。但在本示例中，我们使用类名来自动生成运行时实例--工厂自动化的机制-Very often, we use to manage the factory model generating examples. However, in this example, we used the class to automatically generate runtime example-- factory automation mechanism
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002216s ]
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:0.136743s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001275s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001940s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001257s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003690s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001112s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003211s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015030s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001379s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 151274 [ RunTime:0.001313s ]
