HTML转PDF+水印以及PDF+水印

来源：互联网发布：淘宝办签证泄露信息编辑：程序博客网时间：2024/05/01 22:44
下面代码包含2个功能点
1、HTML转PDF以及加水印
2、PDF加水印
相关dll 在这下载
http://download.csdn.net/detail/qq873113580/9132311
using System;using System.Collections.Generic;using System.Drawing;using System.IO;using System.Linq;using System.Text;using System.Threading.Tasks;using Winnovative.WnvHtmlConvert;using Winnovative.WnvHtmlConvert.PdfDocument;namespace Zemp.Process.Util.HtmlPdfConvert{    public class HtmlPdfConvertUtil    {        /// <summary>        /// PDF加水印        /// </summary>        /// <param name="pafPath">PDF地址(/xxxx/xxxx/xx)</param>        /// <param name="strImagePath">水印路径</param>        /// <param name="attachmentDirectoryName">保存地址</param>        /// <returns></returns>        public static string PdfAddWaterMark(string pafPath, string strImagePath, string attachmentDirectoryName = "GenerationPDF")        {                      pafPath = System.Web.HttpContext.Current.Server.MapPath("~" + pafPath);            ////文件编码            //Encoding fileEncoding = FileEncodingUtil.GetType(pafPath);            //文件名            string serialNumber =  Path.GetFileNameWithoutExtension(pafPath);            //// 打开文件             ////FileStream fileStream = new FileStream(pafPath, FileMode.Open, FileAccess.Read, FileShare.Read);            //FileStream fileStream = new FileStream(pafPath, FileMode.Open);                       //// 读取文件的 byte[]             //byte[] bytes = new byte[fileStream.Length];            //fileStream.Read(bytes, 0, bytes.Length);            //fileStream.Close();            //// 把 byte[] 转换成 Stream             //Stream stream = new MemoryStream(bytes);                                   //CSS文件路径            //string strCSSPath = @"\StyleSheet\";            //PDF保存文件路径            //string attachmentDirectoryName = "GenerationPDF";            //生成PDF文件            string strFileFolder = string.Format(@"\{0}\{1}", attachmentDirectoryName, DateTime.Now.ToString("yyyy-MM-dd").Replace('-', '\\'));            string strFileName = string.Format(@"\{0}\{1}", attachmentDirectoryName, DateTime.Now.ToString("yyyy-MM-dd").Replace('-', '\\')) + @"\Contract_" + serialNumber + @".pdf";            //string strImagePath;            //if (isPreview)            //    strImagePath = @"\Images\watermark_preview.jpg";            //else            //    strImagePath = @"\Images\watermark_new.jpg";            //string htmlHead = @"<html><head><title>PDF文档生成</title><link type='text/css' rel='stylesheet' href='ISFContractPdfStyle.css' runat='server' /></head><body>";            //string htmlTail = @"</body></html>";            PdfConverter pdfConverter = new PdfConverter();            //pdfConverter.LicenseKey = ConfigurationManager.AppSettings["PdfLicenceKey"].ToString();            //生成PDF文件相关格式设置            pdfConverter.PdfDocumentOptions.PdfPageSize = PdfPageSize.A4;            pdfConverter.PdfDocumentOptions.TopMargin = 50;            pdfConverter.PdfDocumentOptions.LeftMargin = 50;            pdfConverter.PdfDocumentOptions.RightMargin = 50;            pdfConverter.DrawBackground = false;            pdfConverter.PdfDocumentOptions.PdfCompressionLevel = PdfCompressionLevel.Normal;            pdfConverter.PdfDocumentOptions.PdfPageOrientation = PDFPageOrientation.Portrait;            pdfConverter.PdfStandardSubset = PdfStandardSubset.Full;            pdfConverter.OptimizePdfPageBreaks = true;            //PDF文件脚本、页眉、页脚及页码设置            pdfConverter.PdfDocumentOptions.ShowFooter = true;            pdfConverter.PdfDocumentOptions.InternalLinksEnabled = true;            pdfConverter.ScriptsEnabled = false;            pdfConverter.ScriptsEnabledInImage = false;            pdfConverter.ScriptsEnabledInImage = false;            pdfConverter.PdfFooterOptions.FooterHeight = 60;            pdfConverter.PdfFooterOptions.FooterTextColor = Color.Black;            pdfConverter.PdfFooterOptions.DrawFooterLine = false;            pdfConverter.PdfFooterOptions.PageNumberTextFontName = "宋体";            pdfConverter.PdfFooterOptions.ShowPageNumber = true;            pdfConverter.PdfFooterOptions.PageNumberingFormatString = @"&p;                                                           ";            pdfConverter.PdfFooterOptions.PageNumberingStartIndex = 9;            pdfConverter.PdfFooterOptions.FooterTextFontName = "宋体";            pdfConverter.PdfFooterOptions.PageNumberYLocation = 15.0f;            //在服务器端生成PDF文档            //Winnovative.WnvHtmlConvert.PdfDocument.Document document = pdfConverter.GetPdfDocumentObjectFromHtmlString(htmlHead +            //    contractHTML + htmlTail, System.Web.HttpContext.Current.Server.MapPath("~" + strCSSPath));            Winnovative.WnvHtmlConvert.PdfDocument.Document document = new Document(pafPath);            document.TransparencyEnabled = true;            //取得生成PDF文档对象的第一页，取得页面相关属性            PdfPage firstPage = document.Pages[0];            string logoImagePath = System.Web.HttpContext.Current.Server.MapPath("~" + strImagePath);            ImageElement imageElement = new ImageElement(0, 0, logoImagePath);            System.Drawing.Image logoImg = System.Drawing.Image.FromFile(logoImagePath);            //计算用于水印的图片的坐标            System.Drawing.SizeF imageSizePx = logoImg.PhysicalDimension;            float imageWidth = UnitsConverter.PixelsToPoints(imageSizePx.Width);            float imageHeight = UnitsConverter.PixelsToPoints(imageSizePx.Height);            float templateWidth = firstPage.ClientRectangle.Width + 100;            float templateHeight = firstPage.ClientRectangle.Height + 100;            float w = firstPage.PageSize.Width / 4;            float h = imageHeight / (imageWidth / w);            //将图片加入到水印模板            Template watermarkTemplate = document.AddTemplate(new System.Drawing.RectangleF(-60, -50, templateWidth, templateHeight));            int m = (int)(templateWidth / w) + 1;            int n = (int)(templateHeight / h) + 1;            //将图片根据页面的尺寸复制            for (int i = 0; i < m; i++)            {                for (int j = 0; j < n; j++)                {                    ImageElement watermarkImageElement = new ImageElement((w + 5.0F) * i, h * j, w, h, logoImg);                    watermarkTemplate.AddElement(watermarkImageElement);                }            }            watermarkTemplate.SendToBackground = true;            try            {                if (!System.IO.Directory.Exists(System.Web.HttpContext.Current.Server.MapPath("~" + strFileFolder)))                    System.IO.Directory.CreateDirectory(System.Web.HttpContext.Current.Server.MapPath("~" + strFileFolder));                document.Save(System.Web.HttpContext.Current.Server.MapPath("~" + strFileName));                document.Close();                return strFileName;            }            catch (Exception)            {                //Logger.WriteLog("PDF文件生成错误", ex.ToString(), Capital.iWorkflow.Framework.Common.LogPriority.High, Capital.iWorkflow.Framework.Common.EventType.EVENT_ERROR);                //AlertMessage("PDF文件生成错误！");                return string.Empty;            }            finally            {                logoImg.Dispose();            }        }        /// <summary>        /// 生成PDF文件方法        /// </summary>        /// <param name="contractHTML">用于生成PDF文件的HTML内容</param>        /// <param name="serialNumber">表单流水号（生成的文件名称）</param>        /// <param name="strImagePath">水印图片地址</param>        /// <param name="attachmentDirectoryName">文件保存目录</param>        /// <returns>返回合同路径</returns>        public static string GeneratePdf(string contractHTML, string serialNumber, string strImagePath, string attachmentDirectoryName = "GenerationPDF")        {            //CSS文件路径            //string strCSSPath = @"\StyleSheet\";            //PDF保存文件路径            //string attachmentDirectoryName = "GenerationPDF";            //生成PDF文件            string strFileFolder = string.Format(@"\{0}\{1}", attachmentDirectoryName, DateTime.Now.ToString("yyyy-MM-dd").Replace('-', '\\'));            string strFileName = string.Format(@"\{0}\{1}", attachmentDirectoryName, DateTime.Now.ToString("yyyy-MM-dd").Replace('-', '\\')) + @"\Contract_" + serialNumber + @".pdf";            //string strImagePath;            //if (isPreview)            //    strImagePath = @"\Images\watermark_preview.jpg";            //else            //    strImagePath = @"\Images\watermark_new.jpg";            string htmlHead = @"<html><head><title>PDF文档生成</title><link type='text/css' rel='stylesheet' href='ISFContractPdfStyle.css' runat='server' /></head><body>";            string htmlTail = @"</body></html>";                       PdfConverter pdfConverter = new PdfConverter();            //pdfConverter.LicenseKey = "fvDh8eDx4fHg4P/h8eLg/+Dj/+jo6Og=";            //生成PDF文件相关格式设置            pdfConverter.PdfDocumentOptions.PdfPageSize = PdfPageSize.A4;            pdfConverter.PdfDocumentOptions.TopMargin = 50;            pdfConverter.PdfDocumentOptions.LeftMargin = 50;            pdfConverter.PdfDocumentOptions.RightMargin = 50;            pdfConverter.DrawBackground = false;            pdfConverter.PdfDocumentOptions.PdfCompressionLevel = PdfCompressionLevel.Normal;            pdfConverter.PdfDocumentOptions.PdfPageOrientation = PDFPageOrientation.Portrait;            pdfConverter.PdfStandardSubset = PdfStandardSubset.Full;            pdfConverter.OptimizePdfPageBreaks = true;            //PDF文件脚本、页眉、页脚及页码设置            pdfConverter.PdfDocumentOptions.ShowFooter = true;            pdfConverter.PdfDocumentOptions.InternalLinksEnabled = true;            pdfConverter.ScriptsEnabled = false;            pdfConverter.ScriptsEnabledInImage = false;            pdfConverter.ScriptsEnabledInImage = false;            pdfConverter.PdfFooterOptions.FooterHeight = 60;            pdfConverter.PdfFooterOptions.FooterTextColor = Color.Black;            pdfConverter.PdfFooterOptions.DrawFooterLine = false;            pdfConverter.PdfFooterOptions.PageNumberTextFontName = "宋体";            pdfConverter.PdfFooterOptions.ShowPageNumber = true;            pdfConverter.PdfFooterOptions.PageNumberingFormatString = @"&p;                                                           ";            pdfConverter.PdfFooterOptions.PageNumberingStartIndex = 9;            pdfConverter.PdfFooterOptions.FooterTextFontName = "宋体";            pdfConverter.PdfFooterOptions.PageNumberYLocation = 15.0f;            //在服务器端生成PDF文档            //Winnovative.WnvHtmlConvert.PdfDocument.Document document = pdfConverter.GetPdfDocumentObjectFromHtmlString(htmlHead +            //    contractHTML + htmlTail, System.Web.HttpContext.Current.Server.MapPath("~" + strCSSPath));            Winnovative.WnvHtmlConvert.PdfDocument.Document document = pdfConverter.GetPdfDocumentObjectFromHtmlString(htmlHead +                contractHTML + htmlTail);            document.TransparencyEnabled = true;            //取得生成PDF文档对象的第一页，取得页面相关属性            PdfPage firstPage = document.Pages[0];            string logoImagePath = System.Web.HttpContext.Current.Server.MapPath("~" + strImagePath);            ImageElement imageElement = new ImageElement(0, 0, logoImagePath);            System.Drawing.Image logoImg = System.Drawing.Image.FromFile(logoImagePath);            //计算用于水印的图片的坐标            System.Drawing.SizeF imageSizePx = logoImg.PhysicalDimension;            float imageWidth = UnitsConverter.PixelsToPoints(imageSizePx.Width);            float imageHeight = UnitsConverter.PixelsToPoints(imageSizePx.Height);            float templateWidth = firstPage.ClientRectangle.Width + 100;            float templateHeight = firstPage.ClientRectangle.Height + 100;            float w = firstPage.PageSize.Width / 4;            float h = imageHeight / (imageWidth / w);            //将图片加入到水印模板            Template watermarkTemplate = document.AddTemplate(new System.Drawing.RectangleF(-60, -50, templateWidth, templateHeight));            int m = (int)(templateWidth / w) + 1;            int n = (int)(templateHeight / h) + 1;            //将图片根据页面的尺寸复制            for (int i = 0; i < m; i++)            {                for (int j = 0; j < n; j++)                {                    ImageElement watermarkImageElement = new ImageElement((w + 5.0F) * i, h * j, w, h, logoImg);                    watermarkTemplate.AddElement(watermarkImageElement);                }            }            watermarkTemplate.SendToBackground = true;            try            {                if (!System.IO.Directory.Exists(System.Web.HttpContext.Current.Server.MapPath("~" + strFileFolder)))                    System.IO.Directory.CreateDirectory(System.Web.HttpContext.Current.Server.MapPath("~" + strFileFolder));                document.Save(System.Web.HttpContext.Current.Server.MapPath("~" + strFileName));                document.Close();                return strFileName;            }            catch (Exception)            {                //Logger.WriteLog("PDF文件生成错误", ex.ToString(), Capital.iWorkflow.Framework.Common.LogPriority.High, Capital.iWorkflow.Framework.Common.EventType.EVENT_ERROR);                //AlertMessage("PDF文件生成错误！");                return string.Empty;            }            finally            {                logoImg.Dispose();            }        }    }}
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