简单文本打印,PrintDocument使用

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Source Codeusing System;
using System.Text;
using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.IO;
namespace TextPrinter
{
public class TextPrinter
{
private string m_Title;
private string m_Context;
private Font m_Font;
private Font m_TitleFont;
private SizeF m_WordSize;
private int m_CurrentPage;
private Rectangle m_PrintableArea;
private string m_LeftContext;
private int m_RowPadding;
private TitleType m_TitleType;
private FooterType m_FooterType;
//private int m_TotalPage;
//private bool m_Prepare;
private string m_FooterFormat;
private PrintDocument printDoc;
public TextPrinter()
{
printDoc = new PrintDocument();
printDoc.PrintPage += new PrintPageEventHandler(InternalPrintPage);
m_Font = SystemFonts.DefaultFont;
m_TitleFont = SystemFonts.CaptionFont;
m_TitleType = TitleType.None;
m_FooterType = FooterType.None;
FooterFormat = "第{0}页";
}
/// 

/// Report Title
/// 
public string Title
{
get { return m_Title; }
set { m_Title = value; }
}
/// 

/// Report Context string
/// 
public string Context
{
get { return m_Context; }
set { m_Context = value; }
}
/// 

/// Report Context Font
/// 
public Font Font
{
get { return m_Font; }
set	{ m_Font = value; }
}
/// 

/// Report Title Font
/// 
public Font TitleFont
{
get { return m_TitleFont; }
set { m_TitleFont = value; }
}
/// 

/// Report Title Type
/// 
public TitleType TitleType
{
get { return m_TitleType; }
set { m_TitleType = value; }
}
/// 

/// Report Footer Type
/// 
public FooterType FooterType
{
get { return m_FooterType; }
set { m_FooterType = value; }
}
/// 

/// Report Footer Format. etc "第{0}页"
/// 
public string FooterFormat
{
get { return m_FooterFormat; }
set { m_FooterFormat = value; }
}
//public int TotalPage
//{
//
get { return m_TotalPage; }
//}
/// 

/// Report row padding. 行间距
/// 
public int RowPadding
{
get { return m_RowPadding; }
set { m_RowPadding = value; }
}
/// 

/// 初始化打印
/// 
private void InitPrint()
{
m_CurrentPage = 1;
}
/// 

/// 打印机设置
/// 
public void PrintSetting()
{
PrintDialog pd = new PrintDialog();
pd.Document = printDoc;
pd.ShowDialog();
}
/// 

/// 纸张设置
/// 
public void PageSetting()
{
PageSetupDialog psd = new PageSetupDialog();
psd.Document = printDoc;
psd.ShowDialog();
}
/// 

/// 预览报表
/// 
public void Preview()
{
InitPrint();
PrintPreviewDialog pdlg = new PrintPreviewDialog();
pdlg.Document = printDoc;
pdlg.WindowState = FormWindowState.Maximized;
pdlg.PrintPreviewControl.Zoom = 1;
//printDoc.Print();
//m_Prepare = true;
pdlg.ShowDialog();
}
/// 

/// 打印报表
/// 
public void Print()
{
InitPrint();
printDoc.Print();
}
/// 

/// Read a line from buffer,
/// 
/// 
///

private string GetLine()
{
string tmp = String.Empty;
try
{
SizeF size;
for (int i = 0; i < m_LeftContext.Length; i++)
{
size = TextRenderer.MeasureText(m_LeftContext.Substring(0, i), Font);
if (size.Width > m_PrintableArea.Width)
{
tmp = m_LeftContext.Substring(0, i - 1);
m_LeftContext = m_LeftContext.Substring(i - 1);
return tmp;
}
if (m_LeftContext.Substring(0, i).IndexOf("/n", 0) >= 0)
{
tmp = m_LeftContext.Substring(0, i);
m_LeftContext = m_LeftContext.Substring(i);
return tmp;
}
}
tmp = m_LeftContext;
m_LeftContext = String.Empty;
return tmp;
}
finally
{
tmp = tmp.Replace("/n", "");
}
}
/// 

/// internal print method
/// 
/// 
/// 
private void InternalPrintPage(object sender, PrintPageEventArgs e)
{
int top = 0;
if (m_CurrentPage == 1)
{
m_LeftContext = Context;
m_LeftContext = m_LeftContext.Replace("/r", "");
m_PrintableArea = e.MarginBounds;
m_WordSize = TextRenderer.MeasureText("W", Font);
if (TitleType == TitleType.OnlyFirstPage)
top += DrawTitle(e.Graphics);
}
if (TitleType == TitleType.AllPage)
top += DrawTitle(e.Graphics);
while (top < m_PrintableArea.Height - (int)Math.Floor(m_WordSize.Height))
{
string tmp = GetLine();
e.Graphics.DrawString(tmp, Font, SystemBrushes.MenuText, e.MarginBounds.X, e.MarginBounds.Y + top);
top += (int)Math.Floor(m_WordSize.Height) + RowPadding;
}
if (FooterType != FooterType.None)
DrawFooter(e.Graphics);
e.HasMorePages = m_LeftContext != string.Empty;
m_CurrentPage++;
}
/// 

/// Print Report Title
/// 
/// 
///

private int DrawTitle(Graphics g)
{
SizeF size = g.MeasureString(Title, TitleFont);
DrawString(g, Title, TitleFont, SystemBrushes.WindowText, m_PrintableArea, StringAlignment.Center, StringAlignment.Near);
return (int)Math.Floor(size.Height);
}
/// 

/// Print Report Footer
/// 
/// 
private void DrawFooter(Graphics g)
{
string tmp = string.Empty;
if (FooterType == FooterType.OnlyPageNumber)
tmp = string.Format(FooterFormat, m_CurrentPage);
//else if (FooterType == FooterType.PageNumOfTotal)
//
tmp = string.Format("{0} of {1}", m_CurrentPage, 0);
SizeF size = g.MeasureString(tmp, SystemFonts.DefaultFont);
DrawString(g, tmp, SystemFonts.DefaultFont, SystemBrushes.WindowText,
new Rectangle(m_PrintableArea.X, m_PrintableArea.Bottom - (int)size.Height,
m_PrintableArea.Width, (int)size.Height), StringAlignment.Far, StringAlignment.Center);
}
/// 

/// Draw a string with alignment parameter
/// 
/// 
/// 
/// 
/// 
/// 
/// 
/// 
private void DrawString(Graphics g, string s, Font font, Brush brush, Rectangle rect, StringAlignment alignment, StringAlignment lineAlignment)
{
StringFormat sf = new StringFormat();
sf.Alignment = alignment;
sf.LineAlignment = lineAlignment;
g.DrawString(s, font, brush, rect, sf);
}
public static void Preview(string pStr)
{
TextPrinter textPrinter = new TextPrinter();
textPrinter.Context = pStr;
textPrinter.Font = new Font("宋体", 16, FontStyle.Regular, GraphicsUnit.Pixel);
textPrinter.Title = "打印测试页";
textPrinter.TitleFont = new Font("宋体", 24, FontStyle.Bold, GraphicsUnit.Pixel);
textPrinter.TitleType = TitleType.AllPage;
textPrinter.FooterType = FooterType.OnlyPageNumber;
textPrinter.FooterFormat = "Page {0}";
//textPrinter.PrintSetting();
//textPrinter.PageSetting();
textPrinter.Preview();
//textPrinter.Print();
}
public static void Print(string pStr)
{
TextPrinter textPrinter = new TextPrinter();
textPrinter.Context = pStr;
textPrinter.Font = new Font("宋体", 16, FontStyle.Regular, GraphicsUnit.Pixel);
textPrinter.Title = "打印测试页";
textPrinter.TitleFont = new Font("宋体", 24, FontStyle.Bold, GraphicsUnit.Pixel);
textPrinter.TitleType = TitleType.AllPage;
textPrinter.FooterType = FooterType.OnlyPageNumber;
textPrinter.FooterFormat = "Page {0}";
//textPrinter.PrintSetting();
//textPrinter.PageSetting();
//textPrinter.Preview();
textPrinter.Print();
}
}
public enum TitleType
{
None,
OnlyFirstPage,
AllPage
}
public enum FooterType
{
None,
OnlyPageNumber
//PageNumOfTotal
}
}