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();
}
