使用C语言编写单片机液晶显示程序，此程序是对于AT89S52单片机的程序源码。只需通过编译来生成HEX文件-Using the C language SCM liquid crystal display program, this program is the program source code for the MCU AT89S52. Simply by compiling to generate the HEX file
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001058s ]
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:0.110339s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001628s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003145s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001617s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006076s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001344s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005756s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024974s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001775s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 160996 [ RunTime:0.001606s ]
