地磅串口类（c#编写）

using   System; 
using   System.IO.Ports; 
using   System.Text; 

internal   class   CommPort 
{ 
        protected   SerialPort   commPort   =   new   SerialPort(); 

        private   readonly   StringBuilder   strReceive   =   new   StringBuilder();           //   接收到数据的缓冲区 

        #region   CommPort   构造函数 

        ///   <summary> 
        ///   CommPort   构造函数 
        ///   </summary> 
        public   CommPort() 
        { 
                //   初始化串口   
                commPort.BaudRate   =   1200; 
                commPort.Parity   =   Parity.Even; 
                commPort.Encoding   =   Encoding.UTF8; 

                //   串口的数据接收事件 
                commPort.DataReceived   +=   commPort_DataReceived; 
        } 

        #endregion 

        #region   commPort_DataReceived   数据抵达 

        ///   <summary> 
        ///   commPort_DataReceived   数据抵达 
        ///   </summary> 
        ///   <param   name= "sender "> </param> 
        ///   <param   name= "e "> </param> 
        void   commPort_DataReceived(object   sender,   SerialDataReceivedEventArgs   e) 
        { 
                try 
                { 
                        #region   接收数据 

                        //   接收缓冲区中数据的字节数 
                        int   int_Len   =   commPort.BytesToRead; 

                        //   接收数据 
                        byte[]   bytes   =   new   byte[int_Len]; 
                        commPort.Read(bytes,   0,   int_Len); 

                        #endregion 

                        #region   将数据存入缓冲 

                        //   将数据存入字符串缓冲区中 
                        for   (int   i   =   0;   i   <   bytes.Length;   i++) 
                        { 
                                strReceive.Append(bytes[i]   +   "   "); 
                        } 

                        #endregion