ＪＡＶＡ实现的计算器程序，界面很友好，来自于ＪＡＶＡ编程１００例上面的内容-Realize JAVA calculator program, the interface is very friendly, from 100 cases in the JAVA programming content of the above
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001328s ]
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:0.093505s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001376s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002021s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001309s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003864s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001323s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003459s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015516s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001741s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 94781 [ RunTime:0.002592s ]
