绘制一图形时钟，并在下面显示电子时间，可以通过电子时间栏修改时间，默认时间与系统时间一样。-graphics rendering a clock, and below, electronic time, the electronic time modified column, the default time to time with the same system.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001948s ]
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:0.134878s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001592s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003295s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001614s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006296s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001638s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005987s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025028s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002053s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 215395 [ RunTime:0.001489s ]
