演示进度条的使用，具体可参考源代码。先打开一个文件，然后在窗口下方状态栏处有进度条的显示。-Demonstration of the progress bar the use of specific reference to the source code. First open a file, and then in the window below the status bar there is the progress bar display.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001468s ]
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:0.082508s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001012s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001169s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001156s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003307s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001046s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003626s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013992s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001442s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 116227 [ RunTime:0.038685s ]
