对初学者这是一个很好的学习实例，通过这个能让读者了解时间算法及方法的调用，该程序能准确显示系统当前时间-For beginners this is a very good learning examples allow readers to understand through this time algorithm and method call, the program can accurately display the current time
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001123s ]
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:0.085656s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001039s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001214s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000966s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003319s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001138s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006726s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015363s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001285s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 222382 [ RunTime:0.014300s ]
