简单的串口通信程序,验证串口是否连接正确,三线通信.可同时发送接受.相当简单聊天程序-Simple serial communication procedures, to verify whether the serial connection is correct, three-wire communication. Can be sent at the same time to accept. Very simple chat program
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001029s ]
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:0.074058s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001345s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001374s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001158s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004633s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001216s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004120s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015030s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001238s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 107663 [ RunTime:0.012297s ]
