这是我自己用JAVA编写的计算器，它能实现计算器的基本功能，比如加减乘除等，很容易就能看明白-This is for my own use Java to prepare the calculator, calculator can achieve the basic functions, such as arithmetic, it is very easy to Naikanmengbai
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001280s ]
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:0.075217s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000971s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001437s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000977s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003174s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000886s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003643s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015289s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001242s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 51862 [ RunTime:0.027801s ]
