LED信息显示屏系统的分析与设计，完整的单片机设计毕业论文。打开前请安装pdf阅读器。直接打开default.htm即可阅读。-LED information display systems analysis and design, a complete single-chip design thesis. Open before the install pdf reader. Can be read directly open default.htm.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001323s ]
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:0.087608s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001272s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001914s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001215s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003596s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001050s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003223s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014550s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001296s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 234930 [ RunTime:0.001266s ]
