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小编给大家分享一下C#在PDF文档中如何插入页眉页脚,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
【C#】
using Spire.Pdf; using Spire.Pdf.Graphics; using System.Drawing; using System; namespace AddHeader_PDF { class Program { static void Main(string[] args) { //新建一个PdfDocument类对象,并添加一页 PdfDocument pdf = new PdfDocument(); PdfPageBase page = pdf.Pages.Add(); //设置margin PdfUnitConvertor unitCvtr = new PdfUnitConvertor(); PdfMargins margin = new PdfMargins(); margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Bottom = margin.Top; margin.Left = unitCvtr.ConvertUnits(4.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Right = margin.Left; //调用AddHeader()方法添加页眉 AddHeader(pdf, PdfPageSize.A4, margin); //保存并打开文档 pdf.SaveToFile("PDF页眉.pdf"); System.Diagnostics.Process.Start("PDF页眉.pdf"); } static void AddHeader(PdfDocument doc, SizeF pageSize, PdfMargins margin) { //初始化一个PdfPageTemplateElement对象,用于创建页眉 PdfPageTemplateElement headerSpace = new PdfPageTemplateElement(pageSize.Width, margin.Top); headerSpace.Foreground = true; doc.Template.Top = headerSpace; //在页眉部分绘入文字 PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial Unicode MS", 10f), true); PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Right); String headerText = "WORLD TRADE ORGANIZATION, WTO \n THE INTERNATIONAL ORGANIZATION THAT REGULATES INTERNATIONAL TRADE"; float x = PdfPageSize.A4.Width; float y = 0; headerSpace.Graphics.DrawString(headerText, font, PdfBrushes.Black, x, y, format); //在页眉部分绘入图片 PdfImage headerImage = PdfImage.FromFile(@"C:\Users\Administrator\Desktop\1.png"); float width = headerImage.Width / 2; float height = headerImage.Height / 3; headerSpace.Graphics.DrawImage(headerImage, 0, 0, width, height); } } }
页眉添加效果:
【C#】
using Spire.Pdf; using Spire.Pdf.Graphics; using System.Drawing; using System; using Spire.Pdf.AutomaticFields; namespace AddFooter_PDF { class Program { static void Main(string[] args) { //新建一个PdfDocument类对象,添加一页 PdfDocument doc = new PdfDocument(); PdfPageBase page = doc.Pages.Add(); //设置margin PdfUnitConvertor unitCvtr = new PdfUnitConvertor(); PdfMargins margin = new PdfMargins(); margin.Top = unitCvtr.ConvertUnits(2.54f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Bottom = margin.Top; margin.Left = unitCvtr.ConvertUnits(4.17f, PdfGraphicsUnit.Centimeter, PdfGraphicsUnit.Point); margin.Right = margin.Left; //调用AddFooter()方法添加页脚 AddFooter(doc, PdfPageSize.A4, margin); //调用AddPageNumber()方法添加页码 AddPageNumber(doc, margin); //保存并打开文档 doc.SaveToFile("PDF页脚.pdf"); System.Diagnostics.Process.Start("PDF页脚.pdf"); } static void AddFooter(PdfDocument doc, SizeF pageSize, PdfMargins margin) { //初始化一个PdfPageTemplateElement对象,用于创建页脚 PdfPageTemplateElement footerSpace = new PdfPageTemplateElement(pageSize.Width, margin.Bottom); footerSpace.Foreground = true; doc.Template.Bottom = footerSpace; //在页脚部分绘入文字 PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial Unicode MS", 10f), true); PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Center); String headerText = "Website : www.wto.org"; float x = PdfPageSize.A4.Width / 2; float y = 0; footerSpace.Graphics.DrawString(headerText, font, PdfBrushes.Black, x, y, format); } static void AddPageNumber(PdfDocument doc, PdfMargins margin) { //添加页码到页脚部分 foreach (PdfPageBase page in doc.Pages) { PdfStringFormat format1 = new PdfStringFormat(PdfTextAlignment.Left); int x1 = Convert.ToInt32(page.Canvas.ClientSize.Width / 2); int y1 = Convert.ToInt32(page.Canvas.ClientSize.Height - margin.Bottom + 20); Rectangle bounds = new Rectangle(x1, y1, 20, 20); PdfPageNumberField field = new PdfPageNumberField(); PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial Unicode MS", 10f), true); field.Font = font; field.StringFormat = format1; field.Brush = PdfBrushes.Black; field.Bounds = bounds; field.Draw(page.Canvas); } } } }
页脚添加效果:
【C#】
using Spire.Pdf; using Spire.Pdf.AutomaticFields; using Spire.Pdf.Graphics; using System; using System.Drawing; namespace PdfHeader { class Program { static void Main(string[] args) { //加载一个测试文档 PdfDocument existingPdf = new PdfDocument(); existingPdf.LoadFromFile("Test.pdf"); //调用DrawHeader方法在现有文档添加页眉 DrawHeader(existingPdf); //调用DrawFooter方法在现有文档添加页脚 DrawFooter(existingPdf); //保存并打开文档 existingPdf.SaveToFile("output.pdf"); System.Diagnostics.Process.Start("output.pdf"); } //在页面上方空白部位绘制页眉 static void DrawHeader(PdfDocument doc) { //获取页面大小 SizeF pageSize = doc.Pages[0].Size; //声明x,y两个float型变量 float x = 90; float y = 20; for (int i = 0; i < doc.Pages.Count; i++) { //在每一页的指定位置绘制图片 PdfImage headerImage = PdfImage.FromFile("logo.png"); float width = headerImage.Width / 7; float height = headerImage.Height / 7; doc.Pages[i].Canvas.DrawImage(headerImage, x, y, width, height); //在每一页的指定位置绘制横线 PdfPen pen = new PdfPen(PdfBrushes.Gray, 0.5f); doc.Pages[i].Canvas.DrawLine(pen, x, y + height + 2, pageSize.Width - x, y + height + 2); } } //在页面下方空白部位绘制页脚 static void DrawFooter(PdfDocument doc) { //获取页面大小 SizeF pageSize = doc.Pages[0].Size; //声明x,y两个float型变量 float x = 90; float y = pageSize.Height - 72; for (int i = 0; i < doc.Pages.Count; i++) { //在每一页的指定位置绘制横线 PdfPen pen = new PdfPen(PdfBrushes.Gray, 0.5f); doc.Pages[i].Canvas.DrawLine(pen, x, y, pageSize.Width - x, y); //在每一页的指定位置绘制文字 y = y + 5; PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("黑体", 10f, FontStyle.Bold), true); PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Left); String footerText = " Website\n https://g20.org/"; doc.Pages[i].Canvas.DrawString(footerText, font, PdfBrushes.Black, x, y, format); //在每一页的指定位置当前页码和总页码 PdfPageNumberField number = new PdfPageNumberField(); PdfPageCountField count = new PdfPageCountField(); PdfCompositeField compositeField = new PdfCompositeField(font, PdfBrushes.Black, "{0}/{1}", number, count); compositeField.StringFormat = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Top); SizeF size = font.MeasureString(compositeField.Text); compositeField.Bounds = new RectangleF(pageSize.Width - x - size.Width, y, size.Width, size.Height); compositeField.Draw(doc.Pages[i].Canvas); } } } }
测试效果:
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