基于51单片机的串行口控制，ADC0809的AD采集及处理，实时时钟DS1302的运用-Based on 51 single-chip microcomputer to control the serial port, ADC0809 the AD acquisition and processing, the use of Real-Time Clock DS1302
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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:0.093012s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001178s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001100s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001352s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 198968 [ RunTime:0.001583s ]
