门禁系统读卡器源码 有助于了解其工作原理 帮助开发单片机-Access Control System source code will help readers understand the principles of its work to help develop single-chip microcomputer
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001156s ]
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:0.098883s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001112s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001257s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001023s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003482s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000961s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004212s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016602s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001198s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 108783 [ RunTime:0.017198s ]
