c#串口通讯问题

Question

     刚接了任务，要调用另一家公司写的485接口，直接向学校的门锁下发白名单和接收返回值和谁刷了卡的winform程序。由于一直是搞B/S开发，winform的没怎么搞过（还要考虑点对点还是TCP方式）
     分只有那么多了！求高手指导

Answer 1

C# 的 Serialport 对象 用来实现串口通信 ，去MSDN查查SerialPort的相关资料吧！

Answer 2

最近写的一个类，
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.IO.Ports;
namespace Common
{
    public class SerialPortWrapper : IDisposable
    {
        private System.IO.Ports.SerialPort serialPort;        #region serial port properties
        private int _baudRate;
        public int BaudRate
        {
            get { return _baudRate; }
            set { _baudRate = value; }
        }        private System.IO.Ports.Parity _parity;
        public System.IO.Ports.Parity Parity
        {
            get { return _parity; }
            set { _parity = value; }
        }        private System.IO.Ports.StopBits _stopBits;
        public System.IO.Ports.StopBits StopBits
        {
            get { return _stopBits; }
            set { _stopBits = value; }
        }        private int _dataBits;
        public int DataBits
        {
            get { return _dataBits; }
            set { _dataBits = value; }
        }        private string _portName;
        public string PortName
        {
            get { return _portName; }
            set { _portName = value; }
        }        private System.IO.Ports.Handshake handshake;        public System.IO.Ports.Handshake _Handshake
        {
            get { return handshake; }
            set { handshake = value; }
        }
        #endregion        private string receivedData;        public string ReceivedData
        {
            get { return receivedData; }
            set { receivedData = value; }
        }        private Communication.Request receivedRequest;        public Communication.Request ReceivedRequest
        {
            get { return receivedRequest; }
            set { receivedRequest = value; }
        }        private string requestString;        public string RequestString
        {
            get { return requestString; }
            set { requestString = value; }
        }        public SerialPortWrapper()
        {
            receivedData = string.Empty;
        }        public bool OpenPort()
        {
            try
            {
                if (serialPort == null)
                {
                    serialPort = new System.IO.Ports.SerialPort(this.PortName, this.BaudRate, this.Parity, this.DataBits, this.StopBits);
                    serialPort.Handshake = this.handshake;                    serialPort.ReceivedBytesThreshold = 1;                    serialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived);
                }                if (!serialPort.IsOpen)
                {
                    serialPort.Open();
                }
            }
            catch (Exception e)
            {
                
            }            return serialPort.IsOpen;
        }        void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            SerialPort sp = (SerialPort)sender;
            byte[] buf = new byte[sp.BytesToRead];
            sp.Read(buf, 0, buf.Length);
            //string dataReceived = sp.ReadExisting();            string dataReceived = new System.Text.UTF8Encoding().GetString(buf);            receivedData += dataReceivedHex;            
        }        public bool Send(byte[] data)
        {
            try
            {
                if (serialPort != null)
                {
                    if (serialPort.IsOpen)
                    {
                        serialPort.Write(data, 0, data.Length);
                        return true;
                    }
                }
            }
            catch (Exception ex)
            {
                
            }            return false;
        }        #region IDisposable Members        public void Dispose()
        {
            if (serialPort != null)
            {
                if (serialPort.IsOpen)
                {
                    serialPort.Close();
                }                serialPort.Dispose();
            }
        }        #endregion
    }
}

Answer 3

他们应该有接口的，还有demo 

Answer 4

是不是直接引用他们提供的.dll文件就可以了