此为国外转载函数，可将任意字符转换为md5 16为字符加密形式，而且为不可逆转换。-reproduced here for foreign functions, arbitrary characters can be converted to 16 md5 encrypted form of characters, but also to irreversible change.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001030s ]
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:0.099331s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000918s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001125s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000991s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003174s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000776s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003759s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018048s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001350s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 284801 [ RunTime:0.029805s ]
