用MEGA128做的串口服务器,包括原理图,源代码,TCPIP开发资料,接口包括RS232,RS485,RJ45-MEGA128 to do with the serial server, including schematics, source code, TCPIP development information, interface, including RS232, RS485, RJ45
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002341s ]
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:0.078929s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.008730s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001019s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003208s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000906s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015832s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001220s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 122423 [ RunTime:0.012938s ]
