是一个简单的计算器，用java写的，挺好用的，对于初学者应该很有帮助，大家看看吧-Is a simple calculator, using java to write, and very good use, and should be helpful for beginners, let us look at it
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001226s ]
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:0.088272s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001177s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001860s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001189s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003635s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001038s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003208s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014439s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001266s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 49028 [ RunTime:0.001215s ]
