{"id":41851,"date":"2025-06-05T07:50:53","date_gmt":"2025-06-04T23:50:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/41851.html"},"modified":"2025-06-05T07:50:53","modified_gmt":"2025-06-04T23:50:53","slug":"%e7%ae%80%e5%8d%95tcp%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e5%ae%9e%e7%8e%b0%ef%bc%88c-winform%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/41851.html","title":{"rendered":"\u7b80\u5355TCP\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u5b9e\u73b0\uff08C# WinForm\uff09"},"content":{"rendered":"

\u672c\u6587\u5c06\u5c55\u793a\u4e00\u4e2a\u57fa\u4e8eC# WinForm\u7684TCP\u901a\u4fe1\u5b9e\u4f8b，\u5305\u542b\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u5b8c\u6574\u5b9e\u73b0\u4ee3\u7801，\u53ef\u7528\u4e8e\u5c40\u57df\u7f51\u5185\u7684\u7b80\u6613\u6d88\u606f\u901a\u4fe1\u3002<\/p>\n

\u4e00\u3001\u6838\u5fc3\u529f\u80fd<\/h2>\n

\u5ba2\u6237\u7aef：\u8fde\u63a5\u670d\u52a1\u5668\u3001\u53d1\u9001\u6d88\u606f\u3001\u63a5\u6536\u6d88\u606f \u670d\u52a1\u5668：\u76d1\u542c\u7aef\u53e3\u3001\u7ba1\u7406\u591a\u5ba2\u6237\u7aef\u3001\u6d88\u606f\u5e7f\u64ad \u6280\u672f\u6808：`TcpClient`\/`TcpListener` + `NetworkStream` + \u591a\u7ebf\u7a0b\u5904<\/p>\n<\/p>\n

\u4e8c\u3001\u5ba2\u6237\u7aef\u5b9e\u73b0\u4ee3\u7801\u89e3\u6790 \u00a0<\/h2>\n

using System.Net; using System.Net.Sockets; \/\/ …\u5176\u4ed6\u547d\u540d\u7a7a\u95f4…<\/p>\n

namespace WindowsFormsTcpClient { \u00a0 \u00a0 public partial class FormClient : Form \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 private TcpClient tcpClient = new TcpClient(); \u00a0 \u00a0 \u00a0 \u00a0 private NetworkStream stream;<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u8fde\u63a5\u670d\u52a1\u5668\u6309\u94ae \u00a0 \u00a0 \u00a0 \u00a0 private void buttonConnectServer_Click(object sender, EventArgs e) \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 try \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 tcpClient.Connect(IPAddress.Parse("10.92.207.45"), 12138); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 stream = tcpClient.GetStream(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u542f\u52a8\u63a5\u6536\u7ebf\u7a0b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Task.Run(() => { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 byte[] data = new byte[1024]; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 while (true) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int count = stream.Read(data, 0, 1024); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if (count == 0) break; \u00a0\/\/ \u8fde\u63a5\u65ad\u5f00 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 string message = Encoding.Default.GetString(data, 0, count) + "\\\\r\\\\n"; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 this.Invoke(() => { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 textBoxReceive.Text += message; \u00a0\/\/ \u66f4\u65b0UI \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 MessageBox.Show("\u8fde\u63a5\u6210\u529f！"); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 catch (Exception ex) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 MessageBox.Show($"\u8fde\u63a5\u5931\u8d25：{ex.Message}"); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u53d1\u9001\u6d88\u606f\u6309\u94ae \u00a0 \u00a0 \u00a0 \u00a0 private void buttonSend_Click(object sender, EventArgs e) \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if (stream != null) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 String sendString = this.textBoxSend.Text; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 byte[] data = Encoding.Default.GetBytes(sendString); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 stream.Write(data, 0, data.Length); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 } }\"\"<\/p>\n

(\u5ba2\u6237\u7aef\u90e8\u5206\u4ee3\u7801\u793a\u4f8b)<\/p>\n

\u5173\u952e\u70b9\u8bf4\u660e： 1. \u4f7f\u7528`Task.Run`\u521b\u5efa\u72ec\u7acb\u63a5\u6536\u7ebf\u7a0b，\u907f\u514dUI\u963b\u585e 2. `stream.Read`\u4f1a\u963b\u585e\u7ebf\u7a0b\u76f4\u5230\u6536\u5230\u6570\u636e 3. `this.Invoke`\u786e\u4fdd\u8de8\u7ebf\u7a0b\u5b89\u5168\u66f4\u65b0UI 4. \u56fa\u5b9aIP\u548c\u7aef\u53e3（12138）\u9700\u6839\u636e\u5b9e\u9645\u73af\u5883\u4fee\u6539<\/p>\n<\/p>\n

\u4e09\u3001\u670d\u52a1\u7aef\u5b9e\u73b0\u4ee3\u7801\u89e3\u6790<\/h2>\n

using System.Net; using System.Net.Sockets; \/\/ …\u5176\u4ed6\u547d\u540d\u7a7a\u95f4…<\/p>\n

namespace WindowsFormsTcpServer { \u00a0 \u00a0 public partial class FormServer : Form \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 private TcpListener TcpListener; \u00a0 \u00a0 \u00a0 \u00a0 private Dictionary<String, TcpClient> clients = new Dictionary<string, TcpClient>();<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u542f\u52a8\u670d\u52a1\u5668\u6309\u94ae \u00a0 \u00a0 \u00a0 \u00a0 private void buttonStartServer_Click(object sender, EventArgs e) \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 try \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TcpListener = new TcpListener(IPAddress.Parse("10.92.207.45"), 12138); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TcpListener.Start(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u76d1\u542c\u5ba2\u6237\u7aef\u8fde\u63a5 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 new Task(() => { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 while (true) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TcpClient client = TcpListener.AcceptTcpClient(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 IPEndPoint endpoint = (IPEndPoint)client.Client.RemoteEndPoint; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 String ip = endpoint.Address.ToString(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 clients.Add(ip, client); \u00a0\/\/ \u5b58\u50a8\u5ba2\u6237\u7aef<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u63a5\u6536\u7ebf\u7a0b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 new Task(() => { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 NetworkStream stream = client.GetStream(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 byte[] data = new byte[1024]; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 while (true) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 int count = stream.Read(data, 0, 1024); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 String message = Encoding.Default.GetString(data, 0, count) + "\\\\r\\\\n"; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 this.Invoke(() => { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 textBoxReceive.Text += $"[{ip}] {message}"; \u00a0\/\/ \u663e\u793a\u6d88\u606f\u6765\u6e90 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }).Start(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }).Start(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 MessageBox.Show("\u670d\u52a1\u5668\u5df2\u542f\u52a8"); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 catch (Exception ex) { \/* \u9519\u8bef\u5904\u7406 *\/ } \u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5e7f\u64ad\u6d88\u606f\u6309\u94ae \u00a0 \u00a0 \u00a0 \u00a0 private void buttonSend_Click(object sender, EventArgs e) \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 foreach (var client in clients.Values) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 { \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 NetworkStream stream = client.GetStream(); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 String sendString = this.textBoxSend.Text; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 byte[] data = Encoding.Default.GetBytes(sendString); \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 stream.Write(data, 0, data.Length); \u00a0\/\/ \u5411\u6240\u6709\u5ba2\u6237\u7aef\u53d1\u9001 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 } }<\/p>\n

\"\"<\/p>\n

(\u670d\u52a1\u7aef\u90e8\u5206\u4ee3\u7801\u793a\u4f8b)<\/p>\n

\u5173\u952e\u70b9\u8bf4\u660e： 1. \u4f7f\u7528`Dictionary`\u5b58\u50a8\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef 2. `AcceptTcpClient()`\u963b\u585e\u7b49\u5f85\u65b0\u8fde\u63a5 3. \u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u72ec\u7acb\u63a5\u6536\u7ebf\u7a0b 4. \u5e7f\u64ad\u6d88\u606f\u904d\u5386\u6240\u6709\u5ba2\u6237\u7aef<\/p>\n

\u56db\u3001\u4ee3\u7801\u4f18\u5316\u5efa\u8bae<\/h2>\n

\u00a01. \u8fde\u63a5\u5065\u58ee\u6027\u6539\u8fdb \/\/ \u5ba2\u6237\u7aef\u589e\u52a0\u65ad\u5f00\u68c0\u6d4b if (count == 0) { \u00a0 \u00a0 this.Invoke(() => MessageBox.Show("\u8fde\u63a5\u5df2\u65ad\u5f00")); \u00a0 \u00a0 break; }<\/p>\n

\/\/ \u670d\u52a1\u7aef\u589e\u52a0\u5f02\u5e38\u5904\u7406 try { \u00a0 \u00a0 int count = stream.Read(data, 0, 1024); \u00a0 \u00a0 \/\/ … } catch (IOException) { \u00a0 \u00a0 clients.Remove(ip); \u00a0\/\/ \u79fb\u9664\u65ad\u5f00\u8fde\u63a5 \u00a0 \u00a0 break; }<\/p>\n

\u00a02. \u8d44\u6e90\u91ca\u653e \/\/ \u91cd\u5199\u7a97\u4f53\u5173\u95ed\u4e8b\u4ef6 protected override void OnFormClosing(FormClosingEventArgs e) { \u00a0 \u00a0 stream?.Close(); \u00a0 \u00a0 tcpClient?.Close(); \u00a0 \u00a0 base.OnFormClosing(e); }<\/p>\n

3. \u914d\u7f6e\u89e3\u8026 \u5efa\u8bae\u5c06IP\u548c\u7aef\u53e3\u79fb\u5230\u914d\u7f6e\u6587\u4ef6：<\/p>\n

\/\/HTIM\/\/ <appSettings> \u00a0 \u00a0 <add key="ServerIP" value="10.92.207.45"\/> \u00a0 \u00a0 <add key="Port" value="12138"\/> <\/appSettings><\/p>\n<\/p>\n

\"\"<\/p>\n

（\u8fd0\u884c\u793a\u4f8b）<\/p>\n<\/p>\n

\u4e94\u3001\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/h2>\n

1. \u9632\u706b\u5899\u8bbe\u7f6e：\u9700\u5728\u9632\u706b\u5899\u5f00\u653e12138\u7aef\u53e3 2. IP\u5730\u5740：\u670d\u52a1\u7aefIP\u9700\u6539\u4e3a\u5b9e\u9645\u672c\u673aIP 3. \u8fde\u63a5\u987a\u5e8f：\u5148\u542f\u52a8\u670d\u52a1\u7aef\u518d\u542f\u52a8\u5ba2\u6237\u7aef 4. \u5e7f\u64ad\u9650\u5236：\u5f53\u524d\u7248\u672c\u672a\u505a\u6d88\u606f\u5206\u5305\u5904\u7406，\u957f\u6d88\u606f\u53ef\u80fd\u622a\u65ad<\/p>\n

\u516d\u3001\u5b8c\u6574\u9879\u76ee\u7ed3\u6784<\/h2>\n

TCP\u901a\u4fe1\u793a\u4f8b \u00a0WindowsFormsTcpServer \u00a0FormServer.cs \u00a0 \u00a0 \/\/ \u670d\u52a1\u7aef\u4e3b\u7a97\u4f53 app.config \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u914d\u7f6e\u6587\u4ef6 WindowsFormsTcpClient FormClient.cs \u00a0 \u00a0 \/\/ \u5ba2\u6237\u7aef\u4e3b\u7a97\u4f53 ```<\/p>\n

<\/h2>\n

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