本程序采用AT89C51单片机，ADC0809模数转换芯片进行模数转换，最终由数码管显示“0809**”。-This procedure using AT89C51 single-chip microcomputer, ADC0809 analog-to-digital conversion chip for analog-digital conversion, and ultimately by the digital tube displays
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001254s ]
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:0.070888s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001070s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001136s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001005s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003153s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000872s ]
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:0.014961s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001384s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 172202 [ RunTime:0.014504s ]
