本光盘提供了 嵌入式系统一些通用模块源代码，比如 键盘扫描器，显示器接口，计量器和输入输出，大部分代码是用可移植的C语所写。-the CD provided some common embedded system module source code, for example, the keyboard scanner, display interface, metering and input and output, with most of the code is portable C language written.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001198s ]
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:0.089440s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001288s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002065s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001201s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003732s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001048s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003392s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015279s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001427s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 121837 [ RunTime:0.001624s ]
