VSPD是Virtual Serial Port Driver的简写,本软件由著名的软件公司Eltima制作,软件来自官方网站,压缩包里含有注册的Dll,可以无限制的使用。本软件运行稳定,允许你去模仿多串口像你希望的那样而支持所有的设置和信号线仿佛那是真正的COM端口。
对于程序员来说,你可以使用C/C++、C#、Delphi、VB等所有支持Dll的语言去模拟,控制串口。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.009215s ]
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:0.092687s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001028s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000967s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006145s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002444s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004664s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020371s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002224s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 443365 [ RunTime:0.013655s ]