calculate the sum of give data. ex. give 5, result = 1+2+3+ .. +5 = 10. given 100, result = 1+2+3+...+100=5050
the calc process is put to a low priority thread.
Start button will start a calculation.
Stop button will stop a calculation, and wait for its stop using Thread.join()
wrong format data is inputed, Thoad message will show.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001483s ]
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:0.090420s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001220s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001982s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001186s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003678s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001083s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003370s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015189s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001457s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 245043 [ RunTime:0.001436s ]
