ST52单片机与ad0804和dac0832接口的C语言例子，含数据手册及接口电路图。-Ad0804 and ST52 MCU and the C language interface dac0832 examples, including data sheet and the interface circuit.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001643s ]
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:0.085261s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002496s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001874s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002139s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003514s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001989s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003141s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014223s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002324s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 311990 [ RunTime:0.001091s ]
