条形码打印机EAN-13编码算法的C程序实现，编译环境keil-ARM，可直接用于项目开发-EAN-13 bar code printers coding procedures for the realization of the C compiler environment keil-ARM, can be used directly in the project development
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001721s ]
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:0.106908s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001382s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001320s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004233s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001378s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018944s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001609s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 312298 [ RunTime:0.001425s ]
