摘 要: 数字密码锁主要完成上锁、密码输入、密码核对、开启电锁、密码修改等功能.数字密码锁的设计电路主要包括 11 个模块 ,各模块由相应的 VHDL 程序具体实现并分别进行了 MAX + PLUS II 时序仿真. 最后 ,在 MAX +
PLUS Ⅱ环境下进行了整体电路的模拟仿真 ,结果表明 ,整个设计满足要求.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001071s ]
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:0.070861s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001071s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001090s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000913s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003126s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000859s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003194s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015189s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001110s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 449463 [ RunTime:0.016776s ]
