sd卡的程序，上面记录了SD卡的详细读卡写卡方式，适合51单片机或者其他-sd card procedures, the above records the SD card reader to write in detail the way cards for 51 single-chip or other
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001417s ]
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:0.097098s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001330s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002047s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001372s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003663s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001154s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003241s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015374s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001552s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 206747 [ RunTime:0.001228s ]
