.net 调用小票打印机 打印票据

 public class PrintInvoice     {        

#region 01.获得打印机1获得吧台打印机2获得后厨打印机       

  /// <summary>        

/// 获得打印机1获得吧台打印机2获得后厨打印机     

    /// </summary>      

   public TcpClient GetPrint(int n = 1)      

   {       

      var client = new System.Net.Sockets.TcpClient();      

       var bll = new PrintAndPlaceBll();       

      var model = bll.GetModel(n);            

var port = Common.rtnInt32(model.PrintPort);//9100      

       var ipPrint = model.PrintIpAddress;//192.168.1.111      

       client.Connect(ipPrint, port);       

      return client;    

     }     

    #endregion

        #region 02.初始化一个网路访问数据流     

    /// <summary>    

     /// 初始化一个网路访问数据流    

     /// </summary>   

      /// <returns></returns>     

    public NetworkStream BuildStream()         {   

          System.Net.Sockets.NetworkStream stream = null;     

        return stream;      

   }        

#endregion

        #region 03.套接字和打印机通讯放回通讯流      

   /// <summary>     

    /// 套接字和打印机通讯放回通讯流      

   /// </summary>   

      /// <returns></returns>   

      public NetworkStream GetStream(TcpClient client, NetworkStream stream)     

    {

            byte[] chushihua = new byte[] { 27, 64 };//初始化打印机        

     byte[] ziti = new byte[] { 27, 77, 0 };//选择字体n =0,1,48,49     

        byte[] zitidaxiao = new byte[] { 29, 33, 0 };//选择字体大小      

       byte[] duiqifangshi = new byte[] { 27, 97, 1 };//选择对齐方式0,48左对齐1,49中间对齐2,50右对齐     

        stream = client.GetStream();             //是否支持写入         

    if (!stream.CanWrite)             {                 stream = null;             }       

      stream.Write(chushihua, 0, chushihua.Length);//初始化     

        stream.Write(ziti, 0, ziti.Length);//设置字体      

       stream.Write(zitidaxiao, 0, zitidaxiao.Length);//设置字体大小--关键     

        stream.Write(duiqifangshi, 0, duiqifangshi.Length);//居中      

       return stream;     

    }     

    #endregion

        #region 04.把要打印的文字写入打印流

        /// <summary>      

   /// 把要打印的文字写入打印流     

    /// </summary>     

    /// <param name="stream"></param>   

      /// <param name="output"></param>     

    public void PrintText(NetworkStream stream, string output)     

    {           

  Byte[] data = System.Text.Encoding.Default.GetBytes(output);        

     stream.Write(data, 0, data.Length);//输出文字  

       }       

  #endregion

        #region 05.设置对齐方式0,48左对齐1,49中间对齐2,50右对齐   

      /// <summary>    

     /// 设置对齐方式0,48左对齐1,49中间对齐2,50右对齐     

    /// </summary>      

   /// <param name="stream"></param>   

      /// <param name="n"></param>    

     public void SetDuiQi(NetworkStream stream, byte n)      

   {        

     byte[] duiqifangshi = new byte[] { 27, 97, 1 };//选择对齐方式0,48左对齐1,49中间对齐2,50右对齐    

         stream.Write(duiqifangshi, 0, duiqifangshi.Length);    

     }        

#endregion

        #region 06.设置字体n =0,1,48,49       

  /// <summary>     

    /// 设置字体n =0,1,48,49      

   /// </summary>     

    /// <param name="stream"></param>     

    /// <param name="n"></param>    

     public void SetFont(NetworkStream stream, byte n)      

   {      

       byte[] ziti = new byte[] { 27, 77, 0 };//选择字体n =0,1,48,49    

         stream.Write(ziti, 0, ziti.Length);      

   }      

   #endregion

        #region 07.设置加粗1加粗0还原    

     /// <summary>        

/// 设置加粗1加粗0还原      

   /// </summary>    

     /// <param name="stream"></param>     

    /// <param name="n"></param>     

    public void SetBold(NetworkStream stream, byte n)  

       {           

  byte[] jiacu = new byte[] { 27, 69, n };//选择加粗模式    

         stream.Write(jiacu, 0, jiacu.Length);   

      }    

     #endregion

        #region 08.设置字体大小0最小1,2,3     

    /// <summary>

        /// 设置字体大小0最小1,2,3     

    /// </summary>     

    /// <param name="stream"></param>      

   /// <param name="n"></param>    

     public void SetFontSize(NetworkStream stream, byte n)       

  {        

     byte[] zitidaxiao = new byte[] { 29, 33, n };//选择字体大小   

          stream.Write(zitidaxiao, 0, zitidaxiao.Length);    

     }      

   #endregion

        #region 09.切纸

        /// <summary>    

     /// 切纸    

     /// </summary>   

      /// <param name="stream"></param>  

       /// <param name="n"></param>   

      public void QieZhi(NetworkStream stream)     

    {         

    byte[] qiezhi = new byte[] { 29, 86, 1, 49 };//切纸   

          stream.Write(qiezhi, 0, qiezhi.Length);    

     }       

  #endregion

        #region 10.释放资源   

      /// <summary>    

     /// 释放资源    

     /// </summary>      

   /// <param name="client"></param>    

     /// <param name="stream"></param>    

     public void DiposeStreamClient(TcpClient client, NetworkStream stream)     

    {         

    if (stream != null)    

         {     

            stream.Close();      

           stream.Dispose();     

        }         

    if (client != null) client.Close();     

    }       

  #endregion

        #region 11.样例展示   

      private void Printeg()   

      {         

    var p = new PrintInvoice();       

      var batai = p.GetPrint();//获得吧台打印机    

         var liunull = p.BuildStream();//初始化一个网络访问数据流  

           try       

      {           

      var liu = p.GetStream(batai, liunull);//获得通讯打印流  

               p.SetFontSize(liu, 2);//字体变大         

        p.SetBold(liu, 1);//加粗       

          p.PrintText(liu, "\n结账单\n\n");//打印文字   

              p.SetBold(liu, 0);//取消加粗             

    p.SetFontSize(liu, 0);//字体还原

                p.PrintText(liu, "北京西城                  ");//打印文字        

         p.PrintText(liu, "\n----------------------------------------------\n");//打印文字     

            p.PrintText(liu, "账单号:1405220015       消费方式:普通消费\n");//打印文字        

         p.PrintText(liu, "时间:14-06-06 08:58   人数:4     桌号:11");//打印文字      

           p.PrintText(liu, "\n----------------------------------------------\n");//打印文字   

              p.SetFontSize(liu, 1);//字体变大        

         p.SetBold(liu, 1);//加粗        

         p.PrintText(liu, "品项名称      数量     单价      金额");//打印文字         

        p.SetBold(liu, 0);//取消加粗                 p.SetFontSize(liu, 0);//字体还原       

          p.PrintText(liu, "\n----------------------------------------------\n");//打印文字

                p.PrintText(liu, "木须肉         2        16        32\n");//打印文字       

          p.PrintText(liu, "宫保鸡丁       1        20        20\n");//打印文字

                p.PrintText(liu, "----------------------------------------------\n");//打印文字   

              p.SetFontSize(liu, 1);//字体变大                 p.SetBold(liu, 1);//加粗      

           p.PrintText(liu, "                              小计:52.00");//打印文字     

            p.SetBold(liu, 0);//取消加粗       

          p.SetFontSize(liu, 0);//字体还原        

         p.PrintText(liu, "\n----------------------------------------------\n");//打印文字

                p.PrintText(liu, "\n折扣:4         现金:100         找零:44\n\n");//打印文字

                p.SetFontSize(liu, 1);//字体变大                 p.SetBold(liu, 1);//加粗  

               p.PrintText(liu, "                              实际结算:¥48");//打印文字   

              p.SetBold(liu, 0);//取消加粗                 p.SetFontSize(liu, 0);//字体还原    

             p.PrintText(liu, "\n----------------------------------------------\n");//打印文字

                p.PrintText(liu, "收银员:张三                                 \n");//打印文字      

           p.PrintText(liu, "服务员:李四                                 \n");//打印文字     

            p.PrintText(liu, "\n客人签字:________________                   \n");//打印文字

                p.PrintText(liu, "\n==============================================\n");//打印文字      

           p.PrintText(liu, "xx餐厅祝您用餐愉快!");//打印文字                 p.PrintText(liu, "\n餐厅电话:4000000 ");//打印文字     

            p.PrintText(liu, "\n==============================================\n");//打印文字  

               p.PrintText(liu, "\n\n\n\n\n\n\n\n");//打印文字    

             p.QieZhi(liu);//切纸        

     }             catch       

      {               

  //打印机缺纸或者纸匣打开时,不会出现异常,不用特殊代码判断,数据不会丢失.     

        }           

  finally             {   

              p.DiposeStreamClient(batai, liunull);//释放资源       

      }      

   }        

#endregion

    }

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