C#小票打印机

使用的佳博GP-5890XIII

http://www.cnblogs.com/lovenan/p/3217448.html

 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Printing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace JBPrinter
{
    public partial class Form1 : Form
    {
        private IntPtr Gp_IntPtr;                   //驱动打印句柄
        private libUsbContorl.UsbOperation NewUsb = new libUsbContorl.UsbOperation();
        private string iPaddress;

        private System.Windows.Forms.PrintPreviewDialog printv_pos = null;
        private System.Drawing.Printing.PrintDocument printd_pos = null;

        public Form1()
        {
            InitializeComponent();
            iPaddress = txt_Ip1.Text.Trim() + "." + txt_Ip2.Text.Trim() + "." + txt_Ip3.Text.Trim() + "." + txt_Ip4.Text.Trim();
        }

        private void btn_dk_Click(object sender, EventArgs e)
        {
            LoadPOSDll PosPrint = new LoadPOSDll();

            //POS_COM_DTR_DSR 0x00 流控制为DTR/DST
            //POS_COM_RTS_CTS 0x01 流控制为RTS/CTS
            //POS_COM_XON_XOFF 0x02 流控制为XON/OFF
            //POS_COM_NO_HANDSHAKE 0x03 无握手
            //POS_OPEN_PARALLEL_PORT 0x12 打开并口通讯端口
            //POS_OPEN_BYUSB_PORT 0x13 打开USB通讯端口
            //POS_OPEN_PRINTNAME 0X14 打开打印机驱动程序
            //POS_OPEN_NETPORT 0x15 打开网络接口 

            if (PosPrint.OpenNetPort(iPaddress))//当参数nParam的值为POS_OPEN_NETPORT时，表示打开指定的网络接口，如“192.168.10.251”表示网络接口IP地址，打印时参考
            {
                Gp_IntPtr = PosPrint.POS_IntPtr;
                txt_OPenState.Text = "打开网口成功！";
            }
            else
            {
                txt_OPenState.Text = "失败！";
            }
        }

        #region 端口地址修改
        private void txt_Ip1_TextChanged(object sender, EventArgs e)
        {

            iPaddress = txt_Ip1.Text.Trim() + "." + txt_Ip2.Text.Trim() + "." + txt_Ip3.Text.Trim() + "." + txt_Ip4.Text.Trim();
        }

        private void txt_Ip2_TextChanged(object sender, EventArgs e)
        {
            iPaddress = txt_Ip1.Text.Trim() + "." + txt_Ip2.Text.Trim() + "." + txt_Ip3.Text.Trim() + "." + txt_Ip4.Text.Trim();
        }

        private void txt_Ip3_TextChanged(object sender, EventArgs e)
        {
            iPaddress = txt_Ip1.Text.Trim() + "." + txt_Ip2.Text.Trim() + "." + txt_Ip3.Text.Trim() + "." + txt_Ip4.Text.Trim();
        }

        private void txt_Ip4_TextChanged(object sender, EventArgs e)
        {
            iPaddress = txt_Ip1.Text.Trim() + "." + txt_Ip2.Text.Trim() + "." + txt_Ip3.Text.Trim() + "." + txt_Ip4.Text.Trim();
        }
        #endregion

        #region 打印机状态检测（请先检网关）
        private void btn_QueryStatus_Click(object sender, EventArgs e)
        {
            Byte res = new Byte();
            int ret = LoadPOSDll.POS_NETQueryStatus(iPaddress, out res);
            StringBuilder sb = new StringBuilder();
            if ((res & 0x10) == 0x10)
                sb.AppendLine("打印机出错！");
            if ((res & 0x02) == 0x02)
                sb.AppendLine("打印机脱机！");
            if ((res & 0x04) == 0x04)
                sb.AppendLine("上盖打开！");
            if ((res & 0x20) == 0x20)
                sb.AppendLine("切刀出错！");
            if ((res & 0x40) == 0x40)
                sb.AppendLine("纸将尽！");
            if ((res & 0x80) == 0x80)
                sb.AppendLine("缺纸！");
            if (sb.Length > 0)
                MessageBox.Show(sb.ToString());
        }
        #endregion

        #region 简单打印1

        private void btn_Print1_Click(object sender, EventArgs e)
        {
            //LoadPOSDll PosPrint = new LoadPOSDll();

            //POS_COM_DTR_DSR 0x00 流控制为DTR/DST
            //POS_COM_RTS_CTS 0x01 流控制为RTS/CTS
            //POS_COM_XON_XOFF 0x02 流控制为XON/OFF
            //POS_COM_NO_HANDSHAKE 0x03 无握手
            //POS_OPEN_PARALLEL_PORT 0x12 打开并口通讯端口
            //POS_OPEN_BYUSB_PORT 0x13 打开USB通讯端口
            //POS_OPEN_PRINTNAME 0X14 打开打印机驱动程序
            //POS_OPEN_NETPORT 0x15 打开网络接口 

            //            if (LoadPOSDll.POS_StartDoc())
            //            {
            //                byte[] by_SendData = System.Text.Encoding.Default.GetBytes("今天到此一游~~\r\n");
            //                LoadPOSDll.POS_WriteFile(PosPrint.POS_IntPtr, by_SendData, (uint)by_SendData.Length);
            //                LoadPOSDll.POS_WriteFile(PosPrint.POS_IntPtr, new byte[] { 0x0a }, 1);
            //                LoadPOSDll.POS_EndDoc();
            //            }
            print();

        }
        #endregion

        #region 先预览后打印
        private void button1_Click(object sender, EventArgs e)
        {
            //打印预览            

            PrintPreviewDialog ppd = new PrintPreviewDialog();

            PrintDocument pd = new PrintDocument();

            //设置边距

            Margins margin = new Margins(15, 15, 15, 15);

            pd.DefaultPageSettings.Margins = margin;

            ////纸张设置默认

            PaperSize pageSize = new PaperSize("First custom size", getYc(70), 420);

            pd.DefaultPageSettings.PaperSize = pageSize;

            //打印事件设置            

            pd.PrintPage += new PrintPageEventHandler(printDocument1_PrintPage);

            ppd.Document = pd;

            ppd.ShowDialog();

            try
            {
                //print();
            }

            catch (Exception ex)
            {

                MessageBox.Show(ex.Message, "打印出错", MessageBoxButtons.OK, MessageBoxIcon.Error);

                pd.PrintController.OnEndPrint(pd, new PrintEventArgs());

            }
        }
        #endregion

        private int getYc(double cm)
        {
            return (int)(cm / 25.4) * 100;
        }

        #region 打印的内容

        #region 标题
        public string GetPrintHead()
        {
            StringBuilder sb = new StringBuilder();
            string tou = "重庆洞子老火锅";
            sb.Append("        " + tou + "     \n");
            return sb.ToString();
        }
        #endregion

        #region 内容
        public string GetPrintStr()
        {

            StringBuilder sb = new StringBuilder();

            string address = "重庆涪陵XXX号";

            string saleID = "2010930233330";

            string item = "商品";

            decimal price = 25.00M;

            int count = 1;

            decimal total = 0.00M;

            decimal fukuan = 500.00M;

            //sb.Append("          " + tou + "     \n");

            sb.Append("--------------------------------------------------\n");

            sb.Append("日期:" + DateTime.Now.ToString("yyyy/MM/dd hh:mm:ss") + "\n" + "单号:" + saleID + "\n");

            sb.Append("--------------------------------------------------\n");

            sb.Append("项目" + "\t" + "数量" + "\t" + "单价" + "\t" + "小计" + "\n");

            for (int i = 0; i < count; i++)
            {

                decimal xiaoji = (i + 1) * price;

                sb.Append(item + (i + 1) + "\t" + (i + 1) + "\t" + price + "\t" + xiaoji);

                total += xiaoji;

                if (i != (count))

                    sb.Append("\n");

            }

            sb.Append("--------------------------------------------------\n");

            sb.Append("数量: " + count + " 合计: " + total + "\n");

            sb.Append("付款: " + fukuan);

            sb.Append(" 现金找零: " + (fukuan - total) + "\n");

            sb.Append("--------------------------------------------------\n");

            sb.Append("地址：" + address + "\n");

            sb.Append("电话：123456789   123456789\n");

            sb.Append("      谢谢惠顾欢迎下次光临 ");

            return sb.ToString();

        }
        #endregion
        #endregion

        /// POS打印
        /// </summary>
        public void print()
        {
            this.printv_pos = new System.Windows.Forms.PrintPreviewDialog();
            this.printd_pos = new System.Drawing.Printing.PrintDocument();

            this.printv_pos.AutoScrollMargin = new System.Drawing.Size(0, 0);    //获取或设置自动滚动边距的大小
            this.printv_pos.AutoScrollMinSize = new System.Drawing.Size(0, 0);   //获取或设置自动滚动条的最小大小
            this.printv_pos.ClientSize = new System.Drawing.Size(400, 300);     //获取或设置窗体工作区的大小
            this.printv_pos.Document = this.printd_pos;                         //获取或设置要预览的文档
            this.printv_pos.Enabled = true;
            this.printv_pos.Name = "printPreviewDialog1";
            this.printv_pos.Visible = false;

            this.printd_pos.PrintController = new System.Drawing.Printing.StandardPrintController();
            this.printd_pos.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(printDocument1_PrintPage);

            //设置边距
            System.Drawing.Printing.Margins margins = new System.Drawing.Printing.Margins(5, 5, 5, 5);
            this.printd_pos.DefaultPageSettings.Margins = margins;

            this.printd_pos.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize("First custom size", getYc(70), 420);
            //this.printDocument1.PrinterSettings.PrinterName = "";
            //Margins margins = new Margins(

            //this.printv_pos.Document = this.printd_pos;

            printv_pos.PrintPreviewControl.AutoZoom = false;
            printv_pos.PrintPreviewControl.Zoom = 1;

            // this.printv_pos.ShowDialog(win);

            try
            {
                printd_pos.Print();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                printd_pos.PrintController.OnEndPrint(printd_pos, new PrintEventArgs());
            }

        }

        #region （页面设置事件）字体设置
        private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)
        {
            Graphics g = e.Graphics;

            //头部
            string strHeader = GetPrintHead();
            Font ft = new Font("微软雅黑", 12.5F, FontStyle.Bold);    //字体
            Point pt = new Point(0, 0);                               //顶部
            g.DrawString(strHeader, ft, new SolidBrush(Color.Black), pt);

            //Graphics.MeasureString 方法 (String, Font)
            //MeasureString测量用指定的 System.Drawing.Font 绘制的指定字符串
            Size headSize = Size.Round(g.MeasureString(strHeader, ft));  //头部的Size（宽和高）
            headSize.Width = 0;                                          //设置宽为0，是因为只需要向y移动，不需要x移动

            //内容
            string strFile = GetPrintStr();
            ft = new Font("宋体", 8.5F, FontStyle.Regular);
            pt = new Point(headSize);                                  //Point(Size size)
            g.DrawString(strFile, ft, new SolidBrush(Color.Black), pt);
            SizeF strSize = g.MeasureString(strHeader, ft);
        }
        #endregion
    }
}