99 lines
2.7 KiB
C#
99 lines
2.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading.Tasks;
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namespace SamplePre.Communication.Communication
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{
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public class SocketClient
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{
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// 服务端 IP 和端口（和你服务端一致）
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private const string ServerIp = "127.0.0.1";
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private const int ServerPort = 8888;
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private Socket _clientSocket;
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public Action<string> ReceiveMsgAction;
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//static async Task Main(string[] args)
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//{
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// var client = new SocketClient();
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// await client.StartClientAsync();
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//}
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/// <summary>
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/// 启动客户端
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/// </summary>
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public async Task StartClientAsync()
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{
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try
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{
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// 创建客户端 Socket
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_clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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ReceiveMsgAction?.Invoke("正在连接服务端...");
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// 连接服务端
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await _clientSocket.ConnectAsync(IPAddress.Parse(ServerIp), ServerPort);
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ReceiveMsgAction?.Invoke("✅ 连接服务端成功！");
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// 启动接收消息任务（后台异步监听）
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_ = Task.Run(ReceiveMsgAsync);
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}
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catch (Exception ex)
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{
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ReceiveMsgAction?.Invoke($"连接失败：{ex.Message}");
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}
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}
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public void CloseConnect()
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{
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_clientSocket.Close();
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ReceiveMsgAction?.Invoke("客户端已断开");
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}
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/// <summary>
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/// 发送消息
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/// </summary>
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public async Task SendMsgAsync(string msg)
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{
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if (string.IsNullOrEmpty(msg)) return;
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byte[] data = Encoding.UTF8.GetBytes(msg);
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await _clientSocket.SendAsync(data, SocketFlags.None);
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}
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/// <summary>
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/// 接收服务端消息
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/// </summary>
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private async Task ReceiveMsgAsync()
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{
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byte[] buffer = new byte[1024];
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while (true)
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{
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try
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{
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int len = await _clientSocket.ReceiveAsync(buffer, SocketFlags.None);
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if (len == 0) break;
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string recMsg = Encoding.UTF8.GetString(buffer, 0, len);
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//回调函数
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ReceiveMsgAction?.Invoke($"\n📩 服务端回复：{recMsg}");
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}
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catch
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{
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break;
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}
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}
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}
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}
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}
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