实现求一个数N的阶乘，输入一个数检查是否合格，然后将其阶乘的结果输出-To achieve for the factorial of a number of N, type a number to check eligibility, and then output the results of factorial
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001338s ]
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:0.094524s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001632s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001984s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001258s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003712s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001105s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003346s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015837s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001454s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 150444 [ RunTime:0.001582s ]
