两个计时器第一个计时器在窗口中保留一个时钟，程序运行时该时钟始终运行。另外一个计时器可配成用户指定的时间间隔触发。-two timer first timer in the window to retain a clock running when the clock always running. Another timer can be dubbed a user-specified time interval trigger.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001314s ]
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:0.090122s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001262s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001233s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003687s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001110s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003261s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014919s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001444s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 284017 [ RunTime:0.001340s ]
