PDFSharp生成PDF.

在上面用OpenXML生成word后,原来利用Word2010里的导出成PDF功能就不能用.

然后找开源组件生成PDF,最开始用的是iTextSharp,做完导出报表了才发现,这个开源协议用的是AGPL,只能放弃,重新查找后,找到PDFSharp(MTI协议).结合了MigraDoc来生成PDF,过程大同小异,对比iTextSharp,在画相关元素时,会慢不少,20页A4内容,OpenXML和iTextSharp都能保持在2S内输出完成,而PDFSharp需要5-10S,不知是不是因为GDI+的原因.

代码不讲解了,只贴出来,只说明一点,对中文的支持,需要设置下.

System.Drawing.Text.PrivateFontCollection pfcFonts = new System.Drawing.Text.PrivateFontCollection();
string strFontPath = @"C:/Windows/Fonts/msyh.ttf";//字体设置为微软雅黑
pfcFonts.AddFontFile(strFontPath);
Style style = document.Styles["Normal"];
style.Font = new MigraDoc.DocumentObjectModel.Font(pfcFonts.Families[0].Name, 12);

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using PdfSharp;
using PdfSharp.Drawing;
using PdfSharp.Pdf;
using PdfSharp.Pdf.IO;
using MigraDoc.DocumentObjectModel;
using MigraDoc.DocumentObjectModel.Tables;
using MigraDoc.DocumentObjectModel.Shapes;
using System.Drawing;
using MigraDoc.Rendering;
namespace EDM.ReportTemplate
{
    public class ExportPDF : ExportReport
    {
        private Section section;
        private SizeF PdfSize;

        public override void Execute()
        {
            var size = InitPage();
            Document doc = new Document();
            section = doc.AddSection();
            section.PageSetup = InitPage();
            DefineStyles(doc);
            PForm.ReportProgress(PShow.StartExecute, null);
            //CreateHead();
            foreach (ReportCommon common in Commons)
            {
                if (common is ReportTable)
                {
                    ReportTable table = common as ReportTable;
                    // ChangeTableColumn(table);
                    AddTable(table, doc);
                }
                if (common is ReportText)
                {
                    ReportText table = common as ReportText;
                    AddText(table, doc);
                }
                if (common is ReportImage)
                {
                    ReportImage table = common as ReportImage;
                    AddImage(table, doc);
                }
                if (common is ReportValueList)
                {
                    ReportValueList table = common as ReportValueList;
                    AddValueList(table, doc);
                }
                if (common is ReportValue)
                {
                    ReportValue table = common as ReportValue;
                    AddValue(table, doc);
                }
                SetExectueProgress(common);
            }
            PForm.ReportProgress(PShow.EndExecute, null);
            PdfDocumentRenderer pdfRenderer = new PdfDocumentRenderer(true);
            pdfRenderer.Document = doc;
            pdfRenderer.RenderDocument();
            pdfRenderer.Save(FileName);
        }

        public static void DefineStyles(Document document)
        {
            System.Drawing.Text.PrivateFontCollection pfcFonts = new System.Drawing.Text.PrivateFontCollection();
            string strFontPath = @"C:/Windows/Fonts/msyh.ttf";//字体设置为微软雅黑 
            pfcFonts.AddFontFile(strFontPath);
            Style style = document.Styles["Normal"];
            style.Font = new MigraDoc.DocumentObjectModel.Font(pfcFonts.Families[0].Name, 12);
            style.Font.Color = Colors.Black;

            style = document.Styles["Heading1"];
            //style.Font.Name = "Tahoma";
            style.Font.Size = 20;
            style.Font.Bold = true;
            style.ParagraphFormat.Alignment = ParagraphAlignment.Center;
            // style.Font.Color = Colors.DarkBlue;
            style.ParagraphFormat.PageBreakBefore = true;
            style.ParagraphFormat.SpaceAfter = 6;

            style = document.Styles["Heading2"];
            style.Font.Size = 16;
            style.Font.Bold = true;
            style.ParagraphFormat.PageBreakBefore = false;
            style.ParagraphFormat.SpaceBefore = 6;
            style.ParagraphFormat.SpaceAfter = 6;
            style.ParagraphFormat.Alignment = ParagraphAlignment.Left;

            style = document.Styles["Heading3"];
            style.Font.Size = 14;
            style.Font.Bold = true;
            style.Font.Italic = true;
            style.ParagraphFormat.SpaceBefore = 6;
            style.ParagraphFormat.SpaceAfter = 3;
            style.ParagraphFormat.Alignment = ParagraphAlignment.Left;

            style = document.Styles["Heading4"];
            style.Font.Size = 12;
            style.Font.Bold = true;
            style.Font.Italic = true;
            style.ParagraphFormat.SpaceBefore = 3;
            style.ParagraphFormat.SpaceAfter = 3;
            style.ParagraphFormat.Alignment = ParagraphAlignment.Left;

            style = document.Styles[StyleNames.Header];
            style.ParagraphFormat.AddTabStop("16cm", TabAlignment.Right);

            style = document.Styles[StyleNames.Footer];
            style.ParagraphFormat.AddTabStop("8cm", TabAlignment.Center);

            // Create a new style called TextBox based on style Normal
            style = document.Styles.AddStyle("TextBox", "Normal");
            style.ParagraphFormat.Alignment = ParagraphAlignment.Justify;
            style.ParagraphFormat.Borders.Width = 2.5;
            style.ParagraphFormat.Borders.Distance = "3pt";
            //TODO: Colors
            style.ParagraphFormat.Shading.Color = Colors.SkyBlue;

            // Create a new style called TOC based on style Normal
            style = document.Styles.AddStyle("TOC", "Normal");
            style.ParagraphFormat.AddTabStop("16cm", TabAlignment.Right, TabLeader.Dots);
            style.ParagraphFormat.Font.Color = Colors.Blue;

            // Create a new style called Table based on style Normal
            style = document.Styles.AddStyle("Table", "Normal");
            style.Font.Name = pfcFonts.Families[0].Name;
            style.Font.Size = 12;

            // Create a new style called Reference based on style Normal
            style = document.Styles.AddStyle("Reference", "Normal");
            style.ParagraphFormat.SpaceBefore = "5mm";
            style.ParagraphFormat.SpaceAfter = "5mm";
            style.ParagraphFormat.TabStops.AddTabStop("16cm", TabAlignment.Right);
        }

        public PageSetup InitPage()
        {
            PageSetup pageSetup = new PageSetup();
            pageSetup.PageFormat = PageFormat.Letter;
            PdfSharp.PageSize size = PdfSharp.PageSize.Letter;
            if (PageSize == "A4")
            {
                pageSetup.PageFormat = PageFormat.A4;
                size = PdfSharp.PageSize.A4;
            }
            if (PageSize == "B4")
            {
                pageSetup.PageFormat = PageFormat.B5;
                size = PdfSharp.PageSize.A5;
            }
            var psize = PageSizeConverter.ToSize(size);
            if (IsOrientation)
            {
                pageSetup.Orientation = Orientation.Landscape;
                double width = psize.Width;
                psize.Width = psize.Height;
                psize.Width = width;
            }
            PdfSize = psize.ToSizeF();
            return pageSetup;
        }

        public void CreateHead()
        {
            var image = section.Headers.Primary.AddImage("../../PowerBooks.png");
            image.Height = "2.5cm";
            image.LockAspectRatio = true;
            image.RelativeVertical = RelativeVertical.Line;
            image.RelativeHorizontal = RelativeHorizontal.Margin;
            image.Top = ShapePosition.Top;
            image.Left = ShapePosition.Right;
            image.WrapFormat.Style = WrapStyle.Through;
        }

        public void AddTable(ReportTable table, Document document)
        {
            var ptable = section.AddTable();
            ptable.Style = "Table";
            ptable.Borders.Width = 0.25;
            ptable.Borders.Left.Width = 0.5;
            ptable.Borders.Right.Width = 0.5;
            ptable.Rows.LeftIndent = 0;
            int colIndex = 0;
            int cols = table.Column;
            for (int i = 0; i < cols; i++)
            {
                double width = GetWidth(table.GetWidth(i));
                if (width != 0.0)
                    ptable.AddColumn(width);
                else
                    ptable.AddColumn();
            }

            foreach (List<string> strs in table.Table)
            {
                Row row = ptable.AddRow();
                for (int i = 0; i < cols; i++)
                {
                    string text = string.Empty;
                    if (strs.Count > i)
                    {
                        if (!string.IsNullOrEmpty(strs[i]))
                            text = strs[i];
                    }
                    //如果有4栏,但是只有三列数据,那到第三列时,开始合并
                    if (strs.Count != cols && i >= strs.Count - 1)
                    {
                        var cell = row.Cells[strs.Count - 1];
                        if (i == strs.Count - 1)
                        {
                            cell.AddParagraph(text);
                            cell.MergeRight = 0;
                        }
                        if (i > strs.Count - 1)
                        {
                            cell.MergeRight = cell.MergeRight + 1;
                        }
                    }
                    else
                    {
                        row.Cells[i].AddParagraph(text);
                    }
                    if (colIndex == 0 && table.IsHaveColumn)
                    {
                        row.Format.Font.Bold = true;
                    }
                    if (table.IsHaveLevel && colIndex != 0)
                    {
                        if (!strs[0].StartsWith(" "))
                        {
                            row.Format.Font.Bold = true;
                        }
                    }
                }
                colIndex++;
            }
        }

        public void AddText(ReportText text, Document document)
        {
            if (text.Size == 20)
            {
                var paragraph = section.AddParagraph(text.Text, "Heading1");
            }
            else if (text.IsHead)
            {
                var paragraph = section.AddParagraph(text.Text, "Heading" + (text.HeadSize - 1));
            }
            else
            {
                var paragraph = section.AddParagraph(text.Text);
                paragraph.Format.Font.Size = text.Size;
                paragraph.Format.Alignment = GetParagraphAlignment(text.Alignment);
                paragraph.Format.Font.Bold = text.IsBold;
            }
        }

        public void AddImage(ReportImage image, Document document)
        {
            try
            {
                var pImage = section.AddImage(image.Value);
                pImage.Width = PdfSize.Width - 100;
                pImage.Left = ShapePosition.Center;
                section.AddParagraph("");
            }
            catch (Exception e)
            {
            }
        }

        public void AddValueList(ReportValueList valueList, Document document)
        {
            var ptable = section.AddTable();
            ptable.Borders.Visible = false;
            ptable.Rows.LeftIndent = 0;
            for (int c = 0; c < valueList.Column; c++)
            {
                ptable.AddColumn(PdfSize.Width / valueList.Column);
            }

            for (int i = 0; i < valueList.Values.Count; i++)
            {
                var value = valueList.Values[i];
                //当前行数
                int rowindex = i / valueList.Column;
                //当前列数
                int colindex = i % valueList.Column;
                if (colindex == 0)
                {
                    ptable.AddRow();
                }
                var cell = ptable[rowindex, colindex];
                cell.Borders.Visible = false;
                this.AnalysisText(value);
                cell.AddParagraph(value.Text + value.Value);
            }

        }

        public void AddValue(ReportValue value, Document document)
        {
            this.AnalysisText(value);
            var paragraph = section.AddParagraph(value.Text + value.Value);
            //paragraph.Format.Alignment = GetParagraphAlignment(text.Alignment);
        }

        public ParagraphAlignment GetParagraphAlignment(int alignment)
        {
            ParagraphAlignment result = ParagraphAlignment.Left;
            if (alignment == 0)
                result = ParagraphAlignment.Center;
            if (alignment == 1)
                result = ParagraphAlignment.Right;
            return result;
        }

    }

总的来说,和OpenXML一样,在用OpenXML导出数据时,已经把数据整理为,输出数据,输出图形,输出表格,输出一组数据.这几种形式,我用PDFSharp时,只是针对这几个类型进行处理一下就行了.

毕竟OpenXML只能导出word2007及以上识别的文件,word2003还是需要Ms office com组件,这个类我就不贴了,搜索出word文章几乎都用的这种.