打印小票类ClsPrintBill

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;

namespace WindowsFormsApplication25
{
    class ClsPrintBill
    {
        struct PrintDataSturct
        {
            public string Name;
            public Font Font;
            public int X;
            public int Y;

            public PrintDataSturct(int x, int y, string name, Font font)
            {
                this.X = x;
                this.Y = y;
                this.Name = name;
                this.Font = font;
            }
        }

        PrintDocument printDocument;
        List<PrintDataSturct> printData;

        public static ClsPrintBill clsPb;

        /// <summary>
        /// 得到打印实例
        /// </summary>
        /// <returns></returns>
        public static ClsPrintBill GetInstance()
        {
            if (clsPb == null)
            {
                clsPb = new ClsPrintBill();
            }
            return clsPb;
        }

        /// <summary>
        /// 初始化
        /// </summary>
        public ClsPrintBill()
        {
            //IniPrint();
        }

        /// <summary>
        /// 初始化打印数据
        /// </summary>
        public void IniPrint(string flno,string regn,string psn,string flop,string jflno,string stx,string etx,string stot,string etot,string enm,string tknu)
        {
            printDocument = new PrintDocument();
            printDocument.DefaultPageSettings.Margins = new Margins(44, 44, 52, 27);
            printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage);

            printData = new List<PrintDataSturct>();

            Font font = new Font("宋体", 14.25f);
            PrintDataSturct data = new PrintDataSturct(75, 70, flno, font);
            printData.Add(data);

            data = new PrintDataSturct(255, 70, regn, font);
            printData.Add(data);

            data = new PrintDataSturct(415, 70, psn, font);
            printData.Add(data);
            /////////////////////////////////
            string y = "";
            string m = "";
            string d = "";
            if (flop != null)
            {
                y = flop.Substring(0, 4);
                m = flop.Substring(4, 2);
                d = flop.Substring(6, 2);
            }

            ////////////////////////////////
            data = new PrintDataSturct(550, 70, y, font);
            printData.Add(data);

            data = new PrintDataSturct(616, 70, m, font);
            printData.Add(data);

            data = new PrintDataSturct(660, 70, d, font);
            printData.Add(data);
            ////////////////////////////////
            data = new PrintDataSturct(430, 100, "操作员：", font);
            printData.Add(data);

            data = new PrintDataSturct(510, 100, enm, font);
            printData.Add(data);

            data = new PrintDataSturct(610, 100, "序号：", font);
            printData.Add(data);

            data = new PrintDataSturct(670, 100, tknu, font);
            printData.Add(data);

            Font font2 = new Font("宋体", 10);
            data = new PrintDataSturct(510, 114, "──────", font2);
            printData.Add(data);
            data = new PrintDataSturct(668, 114, "──", font2);
            printData.Add(data);

            data = new PrintDataSturct(40, 185, jflno, font);
            printData.Add(data);

            data = new PrintDataSturct(190, 185, stx, font);
            printData.Add(data);

            data = new PrintDataSturct(400, 185, etx, font);
            printData.Add(data);

            data = new PrintDataSturct(40, 230, flno, font);
            printData.Add(data);

            data = new PrintDataSturct(190, 230, stot, font);
            printData.Add(data);

            data = new PrintDataSturct(400, 230, etot, font);
            printData.Add(data);

        }


        /// <summary>
        /// 预览
        /// </summary>
        public void Preview()
        {
            PrintPreviewDialog previewDialog = new PrintPreviewDialog();
            previewDialog.Document = printDocument;

            previewDialog.ShowDialog();
        }

        /// <summary>
        /// 打印
        /// </summary>
        public void Print()
        {
            PrintDialog printDialog = new PrintDialog();
            printDialog.Document = printDocument;

            if (printDialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    printDocument.Print();
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "打印出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    printDocument.PrintController.OnEndPrint(printDocument, new PrintEventArgs());
                }
            }
        }

        public void Setting()
        {
            PageSetupDialog setupDialog = new PageSetupDialog();
            setupDialog.AllowPaper = false;
            setupDialog.EnableMetric = true;
            setupDialog.AllowOrientation = false;
            setupDialog.Document = printDocument;

            if (setupDialog.ShowDialog() == DialogResult.OK)
            {
                printDocument.DefaultPageSettings.Margins = setupDialog.PageSettings.Margins;
            }
        }


        private void printDocument_PrintPage(object sender, PrintPageEventArgs e)
        {
            Graphics g = e.Graphics; // 获得绘图对象  
            float leftMargin = e.MarginBounds.Left; // 左边距  
            float topMargin = e.MarginBounds.Top; // 上边距  
            SolidBrush myBrush = new SolidBrush(Color.Black); // 刷子  

            foreach (PrintDataSturct data in printData)
            {
                g.DrawString(data.Name, data.Font, myBrush, leftMargin + data.X, topMargin + data.Y);
            }
        }
    }
}