简单的随机码生成工具，可以生成数字码，字母码，以及数字和字母的混合码。-Simple random code generation tool that can generate the digital code, alphabetical code, as well as numbers and letters mixed code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001139s ]
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:0.099827s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001332s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001993s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001291s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003822s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001188s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003371s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014695s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001409s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 318108 [ RunTime:0.001298s ]
