多功能DataGrid打印类(WinForm C#)

能实现如上图的的打印功能。

·所有字体，边距，header 高，行高，都可以自定义。

·支持自动计算每页行数与每页固定行数。

·支持页脚显示页数。

 

由于自己用和本人比较懒，所以把属性都设置成公有，赋值的时候小心。

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Printing;
using System.Data;

using System.Windows.Forms;

namespace cjManager
{
 public class cutePrinter
 {
  private DataGrid dataGrid;
  private PrintDocument printDocument;
  private PageSetupDialog pageSetupDialog;
  private PrintPreviewDialog printPreviewDialog;

  private string title="";
  
  int currentPageIndex=0;
  int rowCount=0;
  int pageCount=0;

  int titleSize=16;
  bool isCustomHeader=false;
  
  //Brush alertBrush=new SolidBrush(Color.Red);

  string[] header=null;//如果自定义就填入字符串，如果需要斜线分隔，就用\表示，例如：个数#名字 其中#为splitChar
  string[] uplineHeader=null;//上行文字数组
  int[] upLineHeaderIndex=null;//上行的文字index,如果没有上行就设为-1；
  //bool isEveryPagePrintHead=true;//是否每一页都要打印列头。

  public bool isEveryPagePrintTitle=false;//是否每一页都要打印标题。
  public int headerHeight=50;//标题高度。
  public int topMargin=60; //顶边距 
  public int cellTopMargin=6;//单元格顶边距
  public int cellLeftMargin=4;//单元格左边距
  public char splitChar='#';//当header要用斜线表示的时候
  public string falseStr="×";//如果传进来的dataGrid中有 false,把其转换得字符。
  public string trueStr="√";//如果传进来的dataGrid中有 true,把其转换得字符。
  public int pageRowCount=7;//每页行数
  public int rowGap = 30;//行高
  public int colGap = 5;//每列间隔
  public int leftMargin = 50;//左边距
  public Font titleFont=new Font("Arial",14);//标题字体
  public Font font = new Font("Arial", 10);//正文字体
  public Font headerFont = new Font("Arial", 9, FontStyle.Bold);//列名标题
  public Font footerFont=new Font("Arial",8);//页脚显示页数的字体
  public Font upLineFont=new Font("Arial",9, FontStyle.Bold);//当header分两行显示的时候，上行显示的字体。
  public Font underLineFont=new Font("Arial",8);//当header分两行显示的时候，下行显示的字体。
  public Brush brush = new SolidBrush(Color.Black);//画刷
  public bool isAutoPageRowCount=true;//是否自动计算行数。
  public int buttomMargin=80;//底边距
  public bool needPrintPageIndex=true;//是否打印页脚页数

  //string filterStr="";

  

 

  public cutePrinter(DataGrid dataGrid,string title,int titleSize)
  {
   this.title=title;
   //this.titleSize=titleSize;

   this.dataGrid = dataGrid;
   printDocument = new PrintDocument();
   printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage);

   
  }
  public cutePrinter(DataGrid dataGrid,string title)
  {
   this.title=title;
  

   this.dataGrid = dataGrid;
   printDocument = new PrintDocument();
   printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage);
  }
  public cutePrinter(DataGrid dataGrid)
  {
   this.dataGrid = dataGrid;
   printDocument = new PrintDocument();
   printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage);
  }

  public bool setTowLineHeader(string[] upLineHeader,int[] upLineHeaderIndex)
  {
   this.uplineHeader=upLineHeader;
   this.upLineHeaderIndex=upLineHeaderIndex;
   this.isCustomHeader=true;
   return true;
  }
  public bool setHeader(string[] header)
  {
   this.header=header;
   return true;

  }

  private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
  {

   int width=e.PageBounds.Width;
   int height=e.PageBounds.Height;

   if(this.isAutoPageRowCount)
    pageRowCount=(int)((height-this.topMargin-titleSize-this.headerFont.Height-this.headerHeight-this.buttomMargin)/this.rowGap);

     pageCount=(int)(rowCount/pageRowCount);
   if(rowCount%pageRowCount>0)
    pageCount++;

   int xoffset=(int)((width-e.Graphics.MeasureString(this.title,this.titleFont).Width)/2);
   int colCount = 0;
   int x = 0;
   int y =topMargin;
   string cellValue = ""; 

   int startRow=currentPageIndex*pageRowCount;
   int endRow=startRow+this.pageRowCount<rowCount?startRow+pageRowCount:rowCount;
   int currentPageRowCount=endRow-startRow;

   if(this.currentPageIndex==0 || this.isEveryPagePrintTitle)
   {
    e.Graphics.DrawString(this.title,titleFont,brush,xoffset,y);
    y+=titleSize;
   }
   

    
   colCount = dataGrid.TableStyles[0].GridColumnStyles.Count;

   y += rowGap;
   x = leftMargin;

   DrawLine(new Point(x,y),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics);//最左边的竖线

   int lastIndex=-1;
   int lastLength=0;
   int indexj=-1;

   for(int j = 0; j < colCount; j++)
   {
    int colWidth=dataGrid.TableStyles[0].GridColumnStyles[j].Width;
    if( colWidth> 0)
    {
     indexj++;
     if(this.header==null || this.header[indexj]=="")
      cellValue = dataGrid.TableStyles[0].GridColumnStyles[j].HeaderText;
     else
      cellValue=header[indexj];

     if(this.isCustomHeader)
     {
      if(this.upLineHeaderIndex[indexj]!=lastIndex)
      {
      
       if(lastLength>0 && lastIndex>-1)//开始画上一个upline
       {
        string upLineStr=this.uplineHeader[lastIndex];
        int upXOffset=(int)((lastLength-e.Graphics.MeasureString(upLineStr,this.upLineFont).Width)/2);
        if(upXOffset<0)
         upXOffset=0;
        e.Graphics.DrawString(upLineStr,this.upLineFont,brush,x-lastLength+upXOffset,y+(int)(this.cellTopMargin/2));

        DrawLine(new Point(x-lastLength,y+(int)(this.headerHeight/2)),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics);//中线
        DrawLine(new Point(x,y),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics);
       }
       lastIndex=this.upLineHeaderIndex[indexj];
       lastLength=colWidth+colGap;
      }
      else
      {
       lastLength+=colWidth+colGap;
      }
     }

     //int currentY=y+cellTopMargin;
     
     
     int Xoffset=10;
     int Yoffset=20;
     int leftWordIndex=cellValue.IndexOf(this.splitChar);
     if(this.upLineHeaderIndex!=null && this.upLineHeaderIndex[indexj]>-1)
     {
      
      if(leftWordIndex>0)
      {
       string leftWord=cellValue.Substring(0,leftWordIndex);
       string rightWord=cellValue.Substring(leftWordIndex+1,cellValue.Length-leftWordIndex-1);
       //上面的字
        Xoffset=(int)(colWidth+colGap-e.Graphics.MeasureString(rightWord,this.upLineFont).Width);
        Yoffset=(int)(this.headerHeight/2-e.Graphics.MeasureString("a",this.underLineFont).Height);

       
       //Xoffset=6;
       //Yoffset=10;
       e.Graphics.DrawString(rightWord,this.underLineFont,brush,x+Xoffset-4,y+(int)(this.headerHeight/2));
       e.Graphics.DrawString(leftWord,this.underLineFont,brush,x+2,y+(int)(this.headerHeight/2)+(int)(this.cellTopMargin/2)+Yoffset-2);
       DrawLine(new Point(x,y+(int)(this.headerHeight/2)),new Point(x+colWidth+colGap,y+headerHeight),e.Graphics);
          x += colWidth + colGap;
       DrawLine(new Point(x,y+(int)(this.headerHeight/2)),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics);
      }
      else
      {

       e.Graphics.DrawString(cellValue, headerFont, brush, x, y+(int)(this.headerHeight/2)+(int)(this.cellTopMargin/2));     
       x += colWidth + colGap;
       DrawLine(new Point(x,y+(int)(this.headerHeight/2)),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics);
      }
      
     }
     else
     {
      if(leftWordIndex>0)
      {
       string leftWord=cellValue.Substring(0,leftWordIndex);
       string rightWord=cellValue.Substring(leftWordIndex+1,cellValue.Length-leftWordIndex-1);
       //上面的字
       Xoffset=(int)(colWidth+colGap-e.Graphics.MeasureString(rightWord,this.upLineFont).Width);
       Yoffset=(int)(this.headerHeight-e.Graphics.MeasureString("a",this.underLineFont).Height);

       e.Graphics.DrawString(rightWord,this.headerFont,brush,x+Xoffset-4,y+2);
       e.Graphics.DrawString(leftWord,this.headerFont,brush,x+2,y+Yoffset-4);
       DrawLine(new Point(x,y),new Point(x+colWidth+colGap,y+headerHeight),e.Graphics);
       x += colWidth + colGap;
       DrawLine(new Point(x,y),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics);
      }
      else
      {
       e.Graphics.DrawString(cellValue, headerFont, brush, x, y+cellTopMargin);      
       x += colWidth + colGap;
       DrawLine(new Point(x,y),new Point(x,y+currentPageRowCount*rowGap+this.headerHeight),e.Graphics);
      }
       
     }

    }
   }
   ////循环结束，画最后一个的upLine
   if(this.isCustomHeader)
   {
        
     if(lastLength>0 && lastIndex>-1)//开始画上一个upline
     {
      string upLineStr=this.uplineHeader[lastIndex];
      int upXOffset=(int)((lastLength-e.Graphics.MeasureString(upLineStr,this.upLineFont).Width)/2);
      if(upXOffset<0)
       upXOffset=0;
      e.Graphics.DrawString(upLineStr,this.upLineFont,brush,x-lastLength+upXOffset,y+(int)(this.cellTopMargin/2));

      DrawLine(new Point(x-lastLength,y+(int)(this.headerHeight/2)),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics);//中线
      DrawLine(new Point(x,y),new Point(x,y+(int)(this.headerHeight/2)),e.Graphics);
     } 
    
   }
  
   int rightBound=x;

   DrawLine(new Point(leftMargin,y),new Point(rightBound,y),e.Graphics);         //最上面的线

   //DrawLine(new Point(leftMargin,y+this.headerHeight),new Point(rightBound,y+this.headerHeight),e.Graphics);//列名的下面的线

   y+=this.headerHeight;

   //print all rows
   for(int i = startRow; i < endRow; i++)
   {
    
    x = leftMargin;
    for(int j = 0; j < colCount; j++)
    {
     if(dataGrid.TableStyles[0].GridColumnStyles[j].Width > 0)
     {
      cellValue = dataGrid[i,j].ToString();
      if(cellValue=="False")
       cellValue=falseStr;
      if(cellValue=="True")
       cellValue=trueStr;
       
      e.Graphics.DrawString(cellValue, font, brush, x+this.cellLeftMargin, y+cellTopMargin);
      x += dataGrid.TableStyles[0].GridColumnStyles[j].Width + colGap;
      y = y + rowGap * (cellValue.Split(new char[] {'\r', '\n'}).Length - 1);
     }
    }
    DrawLine(new Point(leftMargin,y),new Point(rightBound,y),e.Graphics);
    y += rowGap;
   }
   DrawLine(new Point(leftMargin,y),new Point(rightBound,y),e.Graphics);

   currentPageIndex++;

   if(this.needPrintPageIndex)
    e.Graphics.DrawString("共 "+pageCount.ToString()+" 页,当前第 "+this.currentPageIndex.ToString()+" 页",this.footerFont,brush,width-200,(int)(height-this.buttomMargin/2-this.footerFont.Height));

   string s = cellValue;
   string f3 = cellValue;

    
   if(currentPageIndex<pageCount)
   {
    e.HasMorePages=true;     
   }
   else
   {
    e.HasMorePages=false;
    this.currentPageIndex=0;
    
   }
   //iPageNumber+=1;
   
   
  }
  private void DrawLine(Point sp,Point ep,Graphics gp)
  {
   Pen pen=new Pen(Color.Black);
   gp.DrawLine(pen,sp,ep);
  }

  public PrintDocument GetPrintDocument()
  {
   return printDocument;
  }

 

  public void Print()
  {
   
   
   
   rowCount=0;

   if(dataGrid.DataSource.GetType().ToString() == "System.Data.DataTable")
   {
    rowCount = ((DataTable)dataGrid.DataSource).Rows.Count;
   }
   else if(dataGrid.DataSource.GetType().ToString() == "System.Collections.ArrayList")
   {
    rowCount = ((ArrayList)dataGrid.DataSource).Count;
   }

   try
   {
    pageSetupDialog = new PageSetupDialog();
    pageSetupDialog.Document = printDocument;
    pageSetupDialog.ShowDialog();

    

 

    printPreviewDialog = new PrintPreviewDialog();
    printPreviewDialog.Document = printDocument;
    printPreviewDialog.Height = 600;
    printPreviewDialog.Width = 800;
   
    printPreviewDialog.ShowDialog();
   }
   catch(Exception e)
   {
    throw new Exception("Printer error." + e.Message);
   }

  }
 }
}

//用法示例，显示结果如顶图。

private void bnPrint_Click(object sender, System.EventArgs e)
 {
   
   cutePrinter dgp=new cutePrinter(this.dataGrid1,this.dlSearchYear.Text+"年"+"专业",16);
   string[] uplinestr={"呵呵,hehe","xixi"};
   string[] header={"呵呵#xixi","Hee#xcc","kdfj#djjj","kk#jj","kdjf","","","",""};
  dgp.setHeader(header);//如果不用改原header就不用赋值。
  //注意，这里的列不包括width==0的列
   int[] uplineindex={-1,-1,0,0,0,-1,1,1};//注意，这里的列不包括width==0的列
   dgp.setTowLineHeader(uplinestr,uplineindex);
   dgp.Print();
  }

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