一组转换函数用于十六进制字符串二进制字符串八进制字符串到十进制整数相互转换，对数值运算和运算转换有帮助-a group function for converting hexadecimal string octal binary string string to decimal integer conversion of numerical computing and Operational Conversion help
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001374s ]
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:0.102888s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001309s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001894s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001232s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003582s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001024s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003178s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015015s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001428s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 114109 [ RunTime:0.001520s ]
