the calculator s usage!
after you have inputed 2 operators,choose + - * / function!
But the only situation I did t deal with is that
when you choos + fuction ,and the operaters signs is like this
-A+B,just turn it to B-A!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001229s ]
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:0.060342s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001108s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002307s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001764s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004872s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001293s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005186s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014889s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001305s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 428171 [ RunTime:0.013698s ]
