用VB实现的计算器，功能丰富，关键一点是绝对能满足你提交VB作业的要求殴-Using VB realize calculator, feature-rich, the key point is that you absolutely can satisfy the requirements of operation submitted by VB assault
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000978s ]
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:0.063486s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001044s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001172s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000943s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003120s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000829s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003668s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015665s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001449s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 133838 [ RunTime:0.013679s ]
