实现了一个简单的计算器的功能,可以加减乘除,还要其他一些数学运算,如乘方等.-achieve a simple calculator functions, arithmetic, but also a number of other mathematical calculations, such as involution.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001424s ]
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:0.092696s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001275s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002029s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001194s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003770s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001060s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003491s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015544s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001388s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 125692 [ RunTime:0.001356s ]
