将一个十六进制的字符串转换成它的等价的十进制数值。主函数负责收集字符，并判别它们是否为十六进制字符，htoi函数负责转换工作-to a hexadecimal string converted into its equivalent of the decimal value. The main function responsible for the collection of characters, and for judging whether the hexadecimal characters htoi function for conversion work
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001078s ]
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:0.113939s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000917s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001245s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001131s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003156s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000990s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003951s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015557s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001190s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 285734 [ RunTime:0.014706s ]
