{"id":85256,"date":"2026-07-27T08:01:33","date_gmt":"2026-07-27T00:01:33","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85256.html"},"modified":"2026-07-27T08:01:33","modified_gmt":"2026-07-27T00:01:33","slug":"3%e4%b8%aa%e5%9d%91%e3%80%812%e7%a7%8d%e5%ae%9e%e7%8e%b0%e3%80%811%e4%b8%aa%e7%9c%9f%e7%9b%b8%ef%bc%9ac-opc-ua%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%8c%e4%bd%a0%e8%b8%a9%e8%bf%87%e5%87%a0%e4%b8%aa","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85256.html","title":{"rendered":"3\u4e2a\u5751\u30012\u79cd\u5b9e\u73b0\u30011\u4e2a\u771f\u76f8\uff1aC# OPC UA\u670d\u52a1\u5668\uff0c\u4f60\u8e29\u8fc7\u51e0\u4e2a\uff1f"},"content":{"rendered":"

🔥\u5173\u6ce8\u58a8\u747e\u8f69，\u5e26\u4f60\u63a2\u7d22\u7f16\u7a0b\u7684\u5965\u79d8！🚀
\n🔥\u8d85\u840c\u6280\u672f\u653b\u7565，\u8f7b\u677e\u664b\u7ea7\u7f16\u7a0b\u9ad8\u624b🚀
\n🔥\u6280\u672f\u5b9d\u5e93\u5df2\u5907\u597d，\u5c31\u7b49\u4f60\u6765\u6316\u6398🚀
\n🔥\u8ba2\u9605\u58a8\u747e\u8f69，\u667a\u8da3\u5b66\u4e60\u4e0d\u5b64\u5355🚀
\n🔥\u5373\u523b\u542f\u822a，\u7f16\u7a0b\u4e4b\u65c5\u66f4\u6709\u8da3🚀<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u786c\u6838\u5256\u6790，\u8c01\u5728\u5077\u8d70\u4f60\u7684\u5de5\u4e1a\u901a\u4fe1？<\/h3>\n

1. \u4ece\u96f6\u642d\u5efa：C# OPC UA\u670d\u52a1\u5668\u7684"\u7b2c\u4e00\u811a"<\/h4>\n

1.1 \u57fa\u7840\u67b6\u6784：TCP\u76d1\u542c\u5668\u7684"\u8ff7\u4e4b\u64cd\u4f5c"<\/h5>\n

\/\/ \u521b\u5efaOPC UA\u670d\u52a1\u5668\u5b9e\u4f8b<\/span>
\nusing<\/span> System<\/span>;<\/span>
\nusing<\/span> System.<\/span>Net.<\/span>Sockets<\/span>;<\/span>
\nusing<\/span> System.<\/span>Threading.<\/span>Tasks<\/span>;<\/span><\/p>\n

\/\/ \u81ea\u5b9a\u4e49OPC UA\u670d\u52a1\u5668\u7c7b<\/span>
\npublic<\/span> class<\/span> OpcUaServer<\/span>
\n{<\/span>
\n private<\/span> TcpListener<\/span> _tcpListener;<\/span> \/\/ TCP\u76d1\u542c\u5668，\u670d\u52a1\u5668\u7684"\u8033\u6735"<\/span>
\n private<\/span> bool<\/span><\/span> _isRunning;<\/span> \/\/ \u670d\u52a1\u5668\u8fd0\u884c\u72b6\u6001，\u522b\u8ba9\u670d\u52a1\u5668"\u88c5\u6b7b"<\/span><\/p>\n

\/\/ \u6784\u9020\u51fd\u6570：\u521d\u59cb\u5316TCP\u76d1\u542c\u5668<\/span>
\n public<\/span> OpcUaServer<\/span>(<\/span>string<\/span><\/span> ipAddress,<\/span> int<\/span><\/span> port)<\/span>
\n {<\/span>
\n _tcpListener =<\/span> new<\/span> TcpListener<\/span>(<\/span>System.<\/span>Net.<\/span>IPAddress.<\/span>Parse<\/span>(<\/span>ipAddress)<\/span>,<\/span> port)<\/span>;<\/span>
\n }<\/span><\/p>\n

\/\/ \u542f\u52a8\u670d\u52a1\u5668<\/span>
\n public<\/span> async<\/span> Task<\/span> StartAsync<\/span>(<\/span>)<\/span>
\n {<\/span>
\n _isRunning =<\/span> true<\/span>;<\/span>
\n _tcpListener.<\/span>Start<\/span>(<\/span>)<\/span>;<\/span>
\n Console.<\/span>WriteLine<\/span>(<\/span>"OPC UA Server \u542f\u52a8\u6210\u529f，\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5…"<\/span>)<\/span>;<\/span><\/p>\n

while<\/span> (<\/span>_isRunning)<\/span>
\n {<\/span>
\n try<\/span>
\n {<\/span>
\n var<\/span><\/span> client =<\/span> await<\/span> _tcpListener.<\/span>AcceptTcpClientAsync<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5，\u522b\u8ba9\u8fde\u63a5"\u5361\u4f4f"<\/span>
\n Console.<\/span>WriteLine<\/span>(<\/span>"\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5"<\/span>)<\/span>;<\/span>
\n _ =<\/span> HandleClientAsync<\/span>(<\/span>client)<\/span>;<\/span> \/\/ \u5f02\u6b65\u5904\u7406\u5ba2\u6237\u7aef，\u522b\u963b\u585e\u4e3b\u7ebf\u7a0b<\/span>
\n }<\/span>
\n catch<\/span> (<\/span>Exception<\/span> ex)<\/span>
\n {<\/span>
\n Console.<\/span>WriteLine<\/span>(<\/span>$"\u8fde\u63a5\u9519\u8bef: <\/span>{<\/span>ex.<\/span>Message<\/span>}<\/span><\/span>"<\/span><\/span>)<\/span>;<\/span> \/\/ \u9519\u8bef\u65e5\u5fd7，\u522b\u8ba9\u9519\u8bef"\u6d88\u5931"<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span><\/p>\n

\/\/ \u5904\u7406\u5ba2\u6237\u7aef\u8fde\u63a5<\/span>
\n private<\/span> async<\/span> Task<\/span> HandleClientAsync<\/span>(<\/span>TcpClient<\/span> client)<\/span>
\n {<\/span>
\n using<\/span> (<\/span>var<\/span><\/span> stream =<\/span> client.<\/span>GetStream<\/span>(<\/span>)<\/span>)<\/span>
\n {<\/span>
\n try<\/span>
\n {<\/span>
\n \/\/ \u8bfb\u53d6Hello\u62a5\u6587（OPC UA\u534f\u8bae\u7b2c\u4e00\u6b65）<\/span>
\n var<\/span><\/span> helloBuffer =<\/span> new<\/span> byte<\/span><\/span>[<\/span>8<\/span>]<\/span>;<\/span>
\n await<\/span> stream.<\/span>ReadAsync<\/span>(<\/span>helloBuffer,<\/span> 0<\/span>,<\/span> 8<\/span>)<\/span>;<\/span>
\n int<\/span><\/span> messageSize =<\/span> BitConverter.<\/span>ToInt32<\/span>(<\/span>helloBuffer,<\/span> 4<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>BitConverter.<\/span>IsLittleEndian)<\/span>
\n {<\/span>
\n Array.<\/span>Reverse<\/span>(<\/span>helloBuffer,<\/span> 4<\/span>,<\/span> 4<\/span>)<\/span>;<\/span> \/\/ \u5904\u7406\u5b57\u8282\u5e8f，\u522b\u8ba9\u5b57\u8282\u5e8f"\u641e\u4e8b\u60c5"<\/span>
\n }<\/span><\/p>\n

\/\/ \u8bfb\u53d6\u5b8c\u6574\u62a5\u6587<\/span>
\n var<\/span><\/span> buffer =<\/span> new<\/span> byte<\/span><\/span>[<\/span>messageSize]<\/span>;<\/span>
\n Array.<\/span>Copy<\/span>(<\/span>helloBuffer,<\/span> buffer,<\/span> 8<\/span>)<\/span>;<\/span>
\n await<\/span> stream.<\/span>ReadAsync<\/span>(<\/span>buffer,<\/span> 8<\/span>,<\/span> messageSize –<\/span> 8<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u89e3\u6790Hello\u62a5\u6587（\u4f2a\u4ee3\u7801）<\/span>
\n var<\/span><\/span> helloMessage =<\/span> ParseHelloMessage<\/span>(<\/span>buffer)<\/span>;<\/span>
\n Console.<\/span>WriteLine<\/span>(<\/span>$"\u6536\u5230\u5ba2\u6237\u7aef Hello \u62a5\u6587: <\/span>{<\/span>helloMessage<\/span>}<\/span><\/span>"<\/span><\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u53d1\u9001Acknowledge\u62a5\u6587（\u534f\u8bae\u7b2c\u4e8c\u6b65）<\/span>
\n var<\/span><\/span> ackBuffer =<\/span> CreateAcknowledgeMessage<\/span>(<\/span>)<\/span>;<\/span>
\n await<\/span> stream.<\/span>WriteAsync<\/span>(<\/span>ackBuffer,<\/span> 0<\/span>,<\/span> ackBuffer.<\/span>Length)<\/span>;<\/span>
\n }<\/span>
\n catch<\/span> (<\/span>Exception<\/span> ex)<\/span>
\n {<\/span>
\n Console.<\/span>WriteLine<\/span>(<\/span>$"\u5904\u7406\u5ba2\u6237\u7aef\u9519\u8bef: <\/span>{<\/span>ex.<\/span>Message<\/span>}<\/span><\/span>"<\/span><\/span>)<\/span>;<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u6ce8\u91ca：<\/p>\n