编写一个函数，输入为偶数时，调用函数求,当输入为奇数时，调用函数1(利用指针函数)-The preparation of a function, even when the input, call function for, when the input is odd, one function call (using indicator functions)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003235s ]
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:0.096624s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000805s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001230s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001048s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002881s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000810s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003802s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015070s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001066s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 146724 [ RunTime:0.023367s ]
