应用背景应用于上位机调试控制系统的相关参数，以及将控制系统的相关参数反馈到上位机上进行观察，然后调试，通过MATLAB形象化的gui界面，直观体现相关控制参数的变化关键技术利用MATLAB的编写gui function 函数，生成了gui界面，在函数中调用了电脑的串口，可将数据通过串口送到上位机，控制系统的参数能形象动态的显示出来
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001337s ]
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:0.079391s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001477s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001964s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001443s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005375s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001299s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.008160s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022252s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001240s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 10245 [ RunTime:0.030853s ]
