本程序可实现文件自动分割与合并，特别适合于邮件应用中对大文件进行分割后发送，并在接收端合并。-The program can automatically split files and merge, particularly suited to e-mail application to split large files after sending and the receiving end merger.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002092s ]
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:0.093867s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002228s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001926s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002245s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003685s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002123s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003319s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015322s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002287s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 127891 [ RunTime:0.001124s ]
