本示例演示使用Javascript来访问电子评议器，涉及javascript访问com口，如何将Byte数组转化成javascript可访问的数据。-This example demonstrates the use of Javascript to access the electronic evaluation device, involving javascript to access com port, how to Byte array into a javascript can access data.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001968s ]
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:0.088294s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002404s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002049s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002351s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003640s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002011s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003288s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016288s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002738s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 2988 [ RunTime:0.001300s ]
