c# winform 绘制表格填充数据并且打印预览表格

调用打印类并执行预览

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;namespace WinHis
{public partial class TempleTable : Form{public TempleTable(){InitializeComponent();}private int currentPageIndex = 0;private int rowCount = 0;private int pageCount = 0;private void TempleTable_Load(object sender, EventArgs e){PrintPreviewDialog ppvw = new PrintPreviewDialog();ppvw.PrintPreviewControl.Zoom = 1.0; //显示比例为100%DataTable dt = new DataTable();dt.Columns.Add("id");dt.Columns.Add("name");dt.Columns.Add("date");for (int i = 0; i < 10; i++){DataRow dr = dt.NewRow();dr["id"] = i.ToString();dr["name"] = "设置要打印的文档设置要打印的文档";dr["date"] = "2023-12-21";dt.Rows.Add(dr);}dt.Dispose();ToPrint bll = new ToPrint();System.Drawing.Printing.PrintDocument printDoc = bll.CreatePrintDocument(dt, "dd");//System.Drawing.Printing.PrintDocument printDoc = new System.Drawing.Printing.PrintDocument();PrintDialog MyDlg = new PrintDialog();MyDlg.Document = printDoc;printDoc.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize("A4", 850, 1000);printDoc.DefaultPageSettings.Margins = new System.Drawing.Printing.Margins(60, 60, 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  printDoc.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(printDoc_PrintPage); //打印事件 //printDoc.EndPrint += new System.Drawing.Printing.PrintEventHandler(printDoc_EndPrint);//ppvw.Document.DefaultPageSettings.Landscape = true;    // 设置打印为横向               ppvw.ShowDialog(); //打开预览}private void printDoc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e){Font titleFont = new Font("宋体", 11, System.Drawing.FontStyle.Regular);//标题字体System.Drawing.Brush brush = new SolidBrush(System.Drawing.Color.Black);//画刷   System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.Black, 1);pageCount = 3;     //定义页数if (currentPageIndex == 0)   //当为第一页时{// ShowSecond(e, titleFont, brush, pen);ShowFirst(e, titleFont, brush, pen);}else if (currentPageIndex == 1)   //当为第二页时{// ShowFirst(e, titleFont, brush, pen);}else if (currentPageIndex == 2)   //当为第一页时{// ShowFirst(e, titleFont, brush, pen);}#region 分页控件currentPageIndex++;      //加新页if (currentPageIndex < pageCount){e.HasMorePages = true;  //如果小于定义页 那么增加新的页数}else{e.HasMorePages = false; //停止增加新的页数currentPageIndex = 0;}#endregion}#region 首页内容private void ShowFirst(System.Drawing.Printing.PrintPageEventArgs e, Font titleFont3, System.Drawing.Brush brush, System.Drawing.Pen pen){}#endregion}
}

绘制表格类：

using System.Drawing;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.Data;
using System;namespace WinHis
{/// <summary>/// 打印，打印预览/// </summary>public class ToPrint{//以下用户可自定义//当前要打印文本的字体及字号private static Font TableFont = new Font("Verdana", 10, FontStyle.Regular);//表头字体private Font HeadFont = new Font("Verdana", 20, FontStyle.Bold);//表头文字private string HeadText = string.Empty;//表头高度private int HeadHeight = 40;//表的基本单位private int[] XUnit;private int YUnit = TableFont.Height * 2;//以下为模块内部使用private PrintDocument DataTablePrinter;private DataRow DataGridRow;private DataTable DataTablePrint;//当前要所要打印的记录行数,由计算得到private int PageRecordNumber;//正要打印的页号private int PrintingPageNumber = 1;//已经打印完的记录数private int PrintRecordComplete;private int PLeft;private int PTop;private int PRight;private int PBottom;private int PWidth;private int PHeigh;//当前画笔颜色private SolidBrush DrawBrush = new SolidBrush(Color.Black);//每页打印的记录条数private int PrintRecordNumber;//第一页打印的记录条数private int FirstPrintRecordNumber;//总共应该打印的页数private int TotalPage;//与列名无关的统计数据行的类目数（如，总计，小计......）public int TotalNum = 0;/// <summary>/// 打印/// </summary>/// <param name="dt">要打印的DataTable</param>/// <param name="Title">打印文件的标题</param>public void Print(DataTable dt, string Title){try{CreatePrintDocument(dt, Title).Print();}catch (Exception ex){MessageBox.Show("打印错误，请检查打印设置！");}}/// <summary>/// 打印预览/// </summary>/// <param name="dt">要打印的DataTable</param>/// <param name="Title">打印文件的标题</param>public void PrintPriview(DataTable dt, string Title){try{PrintPreviewDialog PrintPriview = new PrintPreviewDialog();PrintPriview.Document = CreatePrintDocument(dt, Title);PrintPriview.WindowState = FormWindowState.Maximized;PrintPriview.ShowDialog();}catch (Exception ex){MessageBox.Show("打印错误，请检查打印设置！");}}/// <summary>/// 创建打印文件/// </summary>public PrintDocument CreatePrintDocument(DataTable dt, string Title){DataTablePrint = dt;HeadText = Title;DataTablePrinter = new PrintDocument();PageSetupDialog PageSetup = new PageSetupDialog();PageSetup.Document = DataTablePrinter;DataTablePrinter.DefaultPageSettings = PageSetup.PageSettings;DataTablePrinter.DefaultPageSettings.Landscape = true;//设置打印横向还是纵向//PLeft = 30; //DataTablePrinter.DefaultPageSettings.Margins.Left;PTop = DataTablePrinter.DefaultPageSettings.Margins.Top;//PRight = DataTablePrinter.DefaultPageSettings.Margins.Right;PBottom = DataTablePrinter.DefaultPageSettings.Margins.Bottom;PWidth = DataTablePrinter.DefaultPageSettings.Bounds.Width;PHeigh = DataTablePrinter.DefaultPageSettings.Bounds.Height;XUnit = new int[DataTablePrint.Columns.Count];PrintRecordNumber = Convert.ToInt32((PHeigh - PTop - PBottom - YUnit) / YUnit);FirstPrintRecordNumber = Convert.ToInt32((PHeigh - PTop - PBottom - HeadHeight - YUnit) / YUnit);if (DataTablePrint.Rows.Count > PrintRecordNumber){if ((DataTablePrint.Rows.Count - FirstPrintRecordNumber) % PrintRecordNumber == 0){TotalPage = (DataTablePrint.Rows.Count - FirstPrintRecordNumber) / PrintRecordNumber + 1;}else{TotalPage = (DataTablePrint.Rows.Count - FirstPrintRecordNumber) / PrintRecordNumber + 2;}}else{TotalPage = 1;}DataTablePrinter.PrintPage += new PrintPageEventHandler(DataTablePrinter_PrintPage);DataTablePrinter.DocumentName = HeadText;return DataTablePrinter;}/// <summary>/// 打印当前页/// </summary>private void DataTablePrinter_PrintPage(object sende, PrintPageEventArgs Ev){int tableWith = 0;string ColumnText;StringFormat sf = new StringFormat();sf.Alignment = StringAlignment.Center;//打印表格线格式Pen Pen = new Pen(Brushes.Black, 1);#region 设置列宽foreach (DataRow dr in DataTablePrint.Rows){for (int i = 0; i < DataTablePrint.Columns.Count; i++){int colwidth = Convert.ToInt32(Ev.Graphics.MeasureString(dr[i].ToString().Trim(), TableFont).Width);if (colwidth > XUnit[i]){XUnit[i] = colwidth;}}}if (PrintingPageNumber == 1){for (int Cols = 0; Cols <= DataTablePrint.Columns.Count - 1; Cols++){ColumnText = DataTablePrint.Columns[Cols].ColumnName.ToString().Trim();int colwidth = Convert.ToInt32(Ev.Graphics.MeasureString(ColumnText, TableFont).Width);if (colwidth > XUnit[Cols]){XUnit[Cols] = colwidth;}}}for (int i = 0; i < XUnit.Length; i++){tableWith += XUnit[i];}#endregionPLeft = (Ev.PageBounds.Width - tableWith) / 2;int x = PLeft;int y = PTop;int stringY = PTop + (YUnit - TableFont.Height) / 2;int rowOfTop = PTop;//第一页if (PrintingPageNumber == 1){//打印表头Ev.Graphics.DrawString(HeadText, HeadFont, DrawBrush, new Point(Ev.PageBounds.Width / 2, PTop), sf);//设置为第一页时行数PageRecordNumber = FirstPrintRecordNumber;rowOfTop = y = PTop + HeadFont.Height + 10;stringY = PTop + HeadFont.Height + 10 + (YUnit - TableFont.Height) / 2;}else{//计算,余下的记录条数是否还可以在一页打印,不满一页时为假if (DataTablePrint.Rows.Count - PrintRecordComplete >= PrintRecordNumber){PageRecordNumber = PrintRecordNumber;}else{PageRecordNumber = DataTablePrint.Rows.Count - PrintRecordComplete;}}#region 列名if (PrintingPageNumber == 1 || PageRecordNumber > TotalNum)//最后一页只打印统计行时不打印列名{//得到datatable的所有列名for (int Cols = 0; Cols <= DataTablePrint.Columns.Count - 1; Cols++){ColumnText = DataTablePrint.Columns[Cols].ColumnName.ToString().Trim();int colwidth = Convert.ToInt32(Ev.Graphics.MeasureString(ColumnText, TableFont).Width);Ev.Graphics.DrawString(ColumnText, TableFont, DrawBrush, x, stringY);x += XUnit[Cols];}}#endregionEv.Graphics.DrawLine(Pen, PLeft, rowOfTop, x, rowOfTop);stringY += YUnit;y += YUnit;Ev.Graphics.DrawLine(Pen, PLeft, y, x, y);//当前页面已经打印的记录行数int PrintingLine = 0;while (PrintingLine < PageRecordNumber){x = PLeft;//确定要当前要打印的记录的行号DataGridRow = DataTablePrint.Rows[PrintRecordComplete];for (int Cols = 0; Cols <= DataTablePrint.Columns.Count - 1; Cols++){Ev.Graphics.DrawString(DataGridRow[Cols].ToString().Trim(), TableFont, DrawBrush, x, stringY);x += XUnit[Cols];}stringY += YUnit;y += YUnit;Ev.Graphics.DrawLine(Pen, PLeft, y, x, y);PrintingLine += 1;PrintRecordComplete += 1;if (PrintRecordComplete >= DataTablePrint.Rows.Count){Ev.HasMorePages = false;PrintRecordComplete = 0;}}Ev.Graphics.DrawLine(Pen, PLeft, rowOfTop, PLeft, y);x = PLeft;for (int Cols = 0; Cols < DataTablePrint.Columns.Count; Cols++){x += XUnit[Cols];Ev.Graphics.DrawLine(Pen, x, rowOfTop, x, y);}PrintingPageNumber += 1;if (PrintingPageNumber > TotalPage){Ev.HasMorePages = false;PrintingPageNumber = 1;PrintRecordComplete = 0;}else{Ev.HasMorePages = true;}}}
}

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