用VC写的OPC客户端。直接可以使用。 有详细的说明。OPC服务器请选择WINCC 其他的也就不多说了非常好的代码-VC wrote OPC client. Direct can be used. A detailed explanation. OPC server, select WINCC other will not say more than a very good code
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001580s ]
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:0.090693s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001191s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001967s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001256s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003563s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001047s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003175s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014600s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001327s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 126035 [ RunTime:0.001157s ]
