简单的实现了数论中的乘法逆元
该代码均正确运行！包含运行图
及运行结果！-simple realization of the theory of multiplicative inverse of the code are functioning properly! Includes chart and operating results!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001097s ]
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:0.066132s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001166s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001452s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001072s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003363s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000808s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003847s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014852s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000986s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 187717 [ RunTime:0.027011s ]
