CANOpen协议是欧洲汽车行业中，CAN总线的统一应用层标准，提供了详尽的描述，非常适合于CAN总线的应用层开发！-CANOpen agreement in the European automotive industry, CAN bus is a unified application-layer standards, provides a detailed description, very suitable for CAN bus application-layer development!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001013s ]
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:0.069115s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001067s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001063s ]
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