我用C#做的一个对字符串加密的程序，加密对象为26个字母大小写和0到9的数字，实现的是替代法-I used C# do a strings encryption procedures, encryption targeted at 26 case-sensitive alphanumeric 0-9 and figures to achieve the substitution
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002058s ]
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:0.097380s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002496s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002050s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.007197s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003775s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002088s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003616s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014648s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002408s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 73286 [ RunTime:0.001019s ]
