Winform打印封装类
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Printing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Red.Utility.Common.Print
{
public static class PrintDataGridView
{
static DataGridView dgv;
static string titleName = ""; //标题名称
static string titleName2 = ""; //第二标题名称
static int rowIndex = 0; //当前行
static int page = 1; //当前页
static int rowsPerPage = 0; //每页显示多少行
private static bool landscape = false;
/// <summary>
/// 打印方向 横向true
/// </summary>
public static bool Landscape
{
get { return PrintDataGridView.landscape; }
set { PrintDataGridView.landscape = value; }
}
/// <summary>
/// 打印DataGridView
/// </summary>
/// <param name="dataGridView">要打印的DataGridView</param>
/// <param name="title">标题</param>
/// <param name="title2">第二标题,可以为null</param>
public static void Print(DataGridView dataGridView, string title, string title2)
{
try
{
if (dataGridView == null) { return; }
titleName = title;
titleName2 = title2;
dgv = dataGridView;
PrintPreviewDialog ppvw = new PrintPreviewDialog();
ppvw.PrintPreviewControl.Zoom = 1.0; //显示比例为100%
PrintDocument printDoc = new PrintDocument();
PrintDialog MyDlg = new PrintDialog();
MyDlg.Document = printDoc;
printDoc.DefaultPageSettings.PaperSize = new PaperSize("A4", 827, 1169);
printDoc.DefaultPageSettings.Margins = new Margins(15, 30, 60, 60); //设置边距
ppvw.Document = printDoc; //设置要打印的文档
((Form)ppvw).WindowState = FormWindowState.Maximized; //最大化
rowIndex = 0; //当前行
page = 1; //当前页
printDoc.PrintPage += new PrintPageEventHandler(printDoc_PrintPage); //打印事件
printDoc.EndPrint += new PrintEventHandler(printDoc_EndPrint);
ppvw.Document.DefaultPageSettings.Landscape = Landscape; // 设置打印方向 横向true
ppvw.ShowDialog(); //打开预览
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
static void printDoc_EndPrint(object sender, PrintEventArgs e)
{
rowIndex = 0; //当前行
page = 1; //当前页
rowsPerPage = 0;//每页显示多少行
}
private static void printDoc_PrintPage(object sender, PrintPageEventArgs e)
{
//标题字体
Font titleFont = new Font("微软雅黑", 16, FontStyle.Bold);
//标题尺寸
SizeF titleSize = e.Graphics.MeasureString(titleName, titleFont, e.MarginBounds.Width);
//x坐标
int x = e.MarginBounds.Left;
//y坐标
int y = Convert.ToInt32(e.MarginBounds.Top - titleSize.Height);
//边距以内纸张宽度
int pagerWidth = e.MarginBounds.Width;
//画标题
e.Graphics.DrawString(titleName, titleFont, Brushes.Black, x + (pagerWidth - titleSize.Width) / 2, y);
y += (int)titleSize.Height;
if (titleName2 != null && titleName2 != "")
{
//画第二标题
e.Graphics.DrawString(titleName2, dgv.Font, Brushes.Black, x + (pagerWidth - titleSize.Width) / 2 + 200, y);
//第二标题尺寸
SizeF titleSize2 = e.Graphics.MeasureString(titleName2, dgv.Font, e.MarginBounds.Width);
y += (int)titleSize2.Height;
}
//表头高度
int headerHeight = 0;
//纵轴上 内容与线的距离
int padding = 6;
//所有显示列的宽度
int columnsWidth = 0;
//计算所有显示列的宽度
foreach (DataGridViewColumn column in dgv.Columns)
{
//隐藏列返回
if (!column.Visible) continue;
//所有显示列的宽度
columnsWidth += column.Width;
}
//计算表头高度
foreach (DataGridViewColumn column in dgv.Columns)
{
//列宽
int columnWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
//表头高度
int temp = (int)e.Graphics.MeasureString(column.HeaderText, column.InheritedStyle.Font, columnWidth).Height + 2 * padding;
if (temp > headerHeight) headerHeight = temp;
}
//画表头
foreach (DataGridViewColumn column in dgv.Columns)
{
//隐藏列返回
if (!column.Visible) continue;
//列宽
int columnWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
//内容居中要加的宽度
float cenderWidth = (columnWidth - e.Graphics.MeasureString(column.HeaderText, column.InheritedStyle.Font, columnWidth).Width) / 2;
if (cenderWidth < 0) cenderWidth = 0;
//内容居中要加的高度
float cenderHeight = (headerHeight + padding - e.Graphics.MeasureString(column.HeaderText, column.InheritedStyle.Font, columnWidth).Height) / 2;
if (cenderHeight < 0) cenderHeight = 0;
//画背景
e.Graphics.FillRectangle(new SolidBrush(Color.LightGray), new Rectangle(x, y, columnWidth, headerHeight));
//画边框
e.Graphics.DrawRectangle(Pens.Black, new Rectangle(x, y, columnWidth, headerHeight));
////画上边线
//e.Graphics.DrawLine(Pens.Black, x, y, x + columnWidth, y);
////画下边线
//e.Graphics.DrawLine(Pens.Black, x, y + headerHeight, x + columnWidth, y + headerHeight);
////画右边线
//e.Graphics.DrawLine(Pens.Black, x + columnWidth, y, x + columnWidth, y + headerHeight);
//if (x == e.MarginBounds.Left)
//{
// //画左边线
// e.Graphics.DrawLine(Pens.Black, x, y, x, y + headerHeight);
//}
//画内容
e.Graphics.DrawString(column.HeaderText, column.InheritedStyle.Font, new SolidBrush(column.InheritedStyle.ForeColor), new RectangleF(x + cenderWidth, y + cenderHeight, columnWidth, headerHeight));
x += columnWidth;
}
x = e.MarginBounds.Left;
y += headerHeight;
while (rowIndex < dgv.Rows.Count)
{
DataGridViewRow row = dgv.Rows[rowIndex];
if (row.Visible)
{
int rowHeight = 0;
foreach (DataGridViewCell cell in row.Cells)
{
DataGridViewColumn column = dgv.Columns[cell.ColumnIndex];
if (!column.Visible || cell.Value == null) continue;
int tmpWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
int temp = (int)e.Graphics.MeasureString(cell.Value.ToString(), column.InheritedStyle.Font, tmpWidth).Height + 2 * padding;
if (temp > rowHeight) rowHeight = temp;
}
foreach (DataGridViewCell cell in row.Cells)
{
DataGridViewColumn column = dgv.Columns[cell.ColumnIndex];
if (!column.Visible) continue;
int columnWidth = (int)(Math.Floor((double)column.Width / (double)columnsWidth * (double)pagerWidth));
e.Graphics.DrawRectangle(Pens.Black, new Rectangle(x, y, columnWidth, rowHeight));
if (cell.Value != null)
{
//内容居中要加的宽度
float cenderWidth = (columnWidth - e.Graphics.MeasureString(cell.Value.ToString(), cell.InheritedStyle.Font, columnWidth).Width) / 2;
if (cenderWidth < 0) cenderWidth = 0;
//内容居中要加的高度
float cenderHeight = (rowHeight + padding - e.Graphics.MeasureString(cell.Value.ToString(), cell.InheritedStyle.Font, columnWidth).Height) / 2;
if (cenderHeight < 0) cenderHeight = 0;
////画下边线
//e.Graphics.DrawLine(Pens.Black, x, y + rowHeight, x + columnWidth, y + rowHeight);
////画右边线
//e.Graphics.DrawLine(Pens.Black, x + columnWidth, y, x + columnWidth, y + rowHeight);
//if (x == e.MarginBounds.Left)
//{
// //画左边线
// e.Graphics.DrawLine(Pens.Black, x, y, x, y + rowHeight);
//}
//画内容
e.Graphics.DrawString(cell.Value.ToString(), column.InheritedStyle.Font, new SolidBrush(cell.InheritedStyle.ForeColor), new RectangleF(x + cenderWidth, y + cenderHeight, columnWidth, rowHeight));
}
x += columnWidth;
}
x = e.MarginBounds.Left;
y += rowHeight;
if (page == 1) rowsPerPage++;
//打印下一页
if (y + rowHeight > e.MarginBounds.Bottom)
{
e.HasMorePages = true;
break;
}
}
rowIndex++;
}
//页脚
string footer = " 第 " + page + " 页，共 " + Math.Ceiling(((double)dgv.Rows.Count / rowsPerPage)).ToString() + " 页";
//画页脚
e.Graphics.DrawString(footer, dgv.Font, Brushes.Black, x + (pagerWidth - e.Graphics.MeasureString(footer, dgv.Font).Width) / 2, e.MarginBounds.Bottom);
page++;
}
}
}
调用方式
PrintDataGridView.Print(dataGridView, "刀具列表", "2017-12-22某某打印");
