进度栏的应用。用timer()组件来控制时间，进度栏模拟活动的进度。-progress column applications. Using timer () components to control the time, the progress of the simulation column progress.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001682s ]
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:0.069871s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.025156s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.007301s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002471s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006693s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000932s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003844s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016715s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001107s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 141607 [ RunTime:0.019191s ]
