四则运算小程序。生成可视化友好的界面，跟普通计算器很像，功能也还比较全。可以运行加减乘除，求余、清零、退出。-four small Operational procedures. Generation Visual friendly interface, like with ordinary calculators, are also more functional whole. The arithmetic can run, I seek, reset the withdrawal.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001005s ]
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:0.087540s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001097s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001093s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003188s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000949s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004468s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015613s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001244s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 125886 [ RunTime:0.015805s ]
