源码下载：将html转PDF文件、将html转为jpeg图片

【实例简介】

html转PDF 并返回二进制流

和jpeg图片 并返回二进制流

最终生成的图片文件和pdf文件 保存在了 PDFFolder 目录

【实例截图】

原始html如下:

转换后的图片如下：

转换后的pdf如下：

【核心代码】

using iTextSharp.text;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace HtmlToPdf
{
    public partial class Parse : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void ParsePdfBtn_Click(object sender, EventArgs e)
        {
            try
            {
                string htmlPath = Server.MapPath("test.html");
                var file = System.IO.File.ReadAllText(htmlPath);
                using (Stream pdfStream = HtmlUtils.HtmlToPdf(file))
                {

                    var fileStream = File.Create(Server.MapPath("~/PDFFolder/result.pdf"));
                    pdfStream.Seek(0, SeekOrigin.Begin);
                    pdfStream.CopyTo(fileStream);
                    fileStream.Close();

                    Response.Write("<script>alert('html转pdf完成')</script>");
                }
            }
            catch (Exception ex)
            {
                Response.Write("<script>alert('出错了:"   ex.Message.ToString()   "')</script>");
            }

        }

        protected void ParseJpegBtn_Click(object sender, EventArgs e)
        {
            try
            {
                string htmlPath = Server.MapPath("test.html");
                var file = System.IO.File.ReadAllText(htmlPath);
                using (Stream imgStream = HtmlUtils.HtmlToImage(file))
                {
                    var fileStream = File.Create(Server.MapPath("~/PDFFolder/result.jpg"));
                    imgStream.Seek(0, SeekOrigin.Begin);
                    imgStream.CopyTo(fileStream);
                    fileStream.Close();
                    Response.Write("<script>alert('html转jepg图片完成')</script>");
                }
            }
            catch (Exception ex)
            {
                Response.Write("<script>alert('出错了:"   ex.Message.ToString()   "')</script>");
            }
        }

        private void SavePDFFile(string cReportName, Stream pdfStream)
        {
            //Check file exists, delete  
            if (File.Exists(cReportName))
            {
                File.Delete(cReportName);
            }
            using (FileStream file = new FileStream(cReportName, FileMode.Create, FileAccess.Write))
            {
                byte[] bytes = new byte[pdfStream.Length];
                pdfStream.Read(bytes, 0, (int)pdfStream.Length);
                file.Write(bytes, 0, bytes.Length);
                pdfStream.Close();
            }
        }

    }
}