添加项目文件。

SimpleServer/Serial.cs

@@ -0,0 +1,239 @@
+using System;
+using System.Collections.Generic;
+using System.IO.Ports;
+using System.Linq;
+using System.Runtime.Remoting.Messaging;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace SimpleCommunication
+{
+
+    public class Serial : IDisposable
+    {
+        #region DataMember & Ctor
+        public SerialPort serialPort;
+        private string[] port;
+        public SerialPort Comm { get; private set; }
+        private List<string> list = new List<string>(4096);
+
+        //在事务处理结束后才触发下列事件
+        public event DlgNoParam ComOpenEvent;
+        public event DlgOneParam<string> RecvMsgEvent;
+        public event DlgOneParam<string> SendMsgEvent;
+        public event DlgNoParam ComDisconnectEvent;
+
+        public bool IsOpen => (serialPort != null && serialPort.IsOpen) ? true : false;
+
+
+
+        public Serial()
+        {
+            serialPort = new SerialPort();
+        }
+        #endregion
+
+        /// <summary>
+        /// 获取窗口名
+        /// </summary>
+        /// <returns></returns>
+        public string getUserPortName()
+        {
+            return serialPort.PortName;
+        }
+
+        /// <summary>
+        /// 加载串口
+        /// </summary>
+        /// <param name="ComPort"></param>
+        public void LoadComSerial(ComboBox ComPort)
+        {
+            ComPort.Items.Clear();
+            list.Clear();
+            if (!IsOpen)
+            {
+                port = SerialPort.GetPortNames();
+                for (int i = 0; i < port.Count(); i++)
+                {
+                    try
+                    {
+                        SerialPort serialPort = new SerialPort(port[i]);
+                        serialPort.Open();
+                        serialPort.Close();
+                        list.Add(port[i]);
+                    }
+                    catch
+                    {
+                    }
+                }
+                port = list.ToArray();
+                Array.Sort(port);
+                ComboBox.ObjectCollection items = ComPort.Items;
+                object[] items2 = port;
+                items.AddRange(items2);
+                if (port.Length != 0)
+                {
+                    ComPort.Text = port[0];
+                }
+            }
+            else
+            {
+                ComPort.Text = getUserPortName();
+            }
+        }
+        /// <summary>
+        /// 打开串口
+        /// </summary>
+        /// <param name="portName"></param>
+        /// <param name="baudRate"></param>
+        /// <param name="parity"></param>
+        /// <param name="dataBits"></param>
+        /// <param name="stopBits"></param>
+        public void OpenSerialPort(string portName, int baudRate, Parity parity, int dataBits, StopBits stopBits)
+        {
+            serialPort.PortName = portName;
+            serialPort.BaudRate = baudRate;
+            serialPort.Parity = parity;
+            serialPort.DataBits = dataBits;
+            serialPort.StopBits = stopBits;
+            try
+            {
+                serialPort.ReadBufferSize = 4096;
+                serialPort.DataReceived += ComReceived;
+                serialPort.Open();
+                if (ComOpenEvent != null)
+                {
+                    ComOpenEvent();
+                }
+            }
+            catch (Exception)
+            {
+                MessageBox.Show("串口被占用,请重新选择！");
+            }
+        }
+
+        /// <summary>
+        /// 关闭串口
+        /// </summary>
+        public void CloseSeriaPort()
+        {
+            serialPort.DataReceived -= ComReceived;
+            serialPort.Close();
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ComReceived(object sender, SerialDataReceivedEventArgs e)
+        {
+            try
+            {
+                if (serialPort.IsOpen)
+                {
+                    string text = "";
+                    Thread.Sleep(50);
+                    int length = serialPort.BytesToRead;
+                    byte[] data = new byte[length];
+                    serialPort.Read(data, 0, length);
+                    //对串口接收数据的处理，可对data进行解析
+                    string data1 = string.Empty;
+                    for (int i = 0; i < length; i++)
+                    {
+                        data1 += Convert.ToString(data[i], 16).ToUpper();
+                        //data.AppendText(str.Length == 1 ? "0" + str + " " : str + " ");//将接收到的数据以十六进制显示到文本框内
+                    }
+
+                    //int bytesToRead = serialPort.BytesToRead;
+                    //string data = string.Empty;
+                    //while (serialPort.BytesToRead > 0)
+                    //{
+                    //    data += serialPort.ReadExisting();  //数据读取,直到读完缓冲区数据
+                    //}
+
+                    //for (int i = 0; i < bytesToRead; i++)
+                    //{
+                    //    int utf = serialPort.ReadByte();
+                    //    //text = serialPort.ReadTo("\r");
+                    //    string text2 = char.ConvertFromUtf32(utf);
+                    //    text += text2;
+                    //}
+
+                    if (this.RecvMsgEvent != null)
+                    {
+                        this.RecvMsgEvent(data1);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.ToString());
+            }
+        }
+
+
+        /// <summary>
+        /// 同步发送返回数据
+        /// </summary>
+        /// <param name="str"></param>
+        /// <returns></returns>
+        public string SendReturnData(string str)
+        {
+            string text = "";
+            try
+            {
+                if (serialPort.IsOpen)
+                {
+                    serialPort.Write(str);
+                    Thread.Sleep(100);
+                    text = serialPort.ReadTo("\r");
+                }
+            }
+            catch (Exception ex)
+            {
+
+            }
+            return text;
+        }
+
+        /// <summary>
+        /// 发送字符串
+        /// </summary>
+        /// <param name="str"></param>
+        public void SendString(string str)
+        {
+            try
+            {
+                serialPort.Write(str);
+                if (this.SendMsgEvent != null)
+                {
+                    this.SendMsgEvent(str);
+                }
+            }
+            catch (Exception ex)
+            {
+                //MessageBox.Show(ex.ToString());
+            }
+        }
+
+
+        /// <summary>
+        /// 
+        /// 在已连接条件下关闭本地连接和资源释放时调用
+        /// </summary>
+        public void Dispose()
+        {
+            if (serialPort != null&& serialPort.IsOpen)
+            {
+                CloseSeriaPort();
+                if (this.ComDisconnectEvent != null)
+                {
+                    this.ComDisconnectEvent();
+                }
+            }
+        }
+    }
+}