一个简单实用的进制转换算法，该算法能实现二、八、十、十六进制的相互转化。-a simple and practical base for the conversion algorithm, the algorithm can achieve 2, 8, 10, hexadecimal the mutual conversion.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002190s ]
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:0.112317s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000928s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001288s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000921s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003164s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000780s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003778s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014542s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001112s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 120573 [ RunTime:0.023218s ]
