该程序可以分析磁盘的bpb，fat，fdt。这个程序是我刚学微机应用环境的时候编的，程序的应用范围不是很广。还不能硬盘的fdt表！-the program can analyze disk BPB, fat, fdt. This procedure is just learning microcomputer application environment in the series, the application process is not very wide. Not drives fdt table!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001041s ]
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:0.090860s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000939s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001132s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001453s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003716s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000965s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003765s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015693s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001227s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 195370 [ RunTime:0.022388s ]
