基于KeilC 平台的单片机源码，适用于AT89ls52，程序通过中断方式查询按键的输入，I/O口接入单独按键。-Microcontroller-based platform KeilC source for AT89ls52, procedure interrupt input query keys, I/O port access to a separate button.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001253s ]
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:0.089176s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001187s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001192s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003752s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001034s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003170s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014616s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001317s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 169080 [ RunTime:0.001284s ]
