using iTextSharp.text;
using iTextSharp.text.pdf;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using iTextSharp.tool.xml;
namespace WebApplication1
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string htmlText = "<html><body><div>testtest</div></body></html>";
//避免当htmlText无任何html tag标签的纯文字时，转PDF时会挂掉，所以一律加上<p>标签
htmlText = "<p>" + htmlText + "</p>";
MemoryStream outputStream = new MemoryStream();//要把PDF写到哪个串流
byte[] data = Encoding.UTF8.GetBytes(htmlText);//字串转成byte[]
MemoryStream msInput = new MemoryStream(data);
Document doc = new Document();//要写PDF的文件，建构子没填的话预设直式A4
PdfWriter writer = PdfWriter.GetInstance(doc, outputStream);
//指定文件预设开档时的缩放为100%
PdfDestination pdfDest = new PdfDestination(PdfDestination.XYZ, 0, doc.PageSize.Height, 1f);
//开启Document文件
doc.Open();
//使用XMLWorkerHelper把Html parse到PDF档里
// XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8, new UnicodeFontFactory());
XMLWorkerHelper.GetInstance().ParseXHtml(writer, doc, msInput, null, Encoding.UTF8);
//将pdfDest设定的资料写到PDF档
PdfAction action = PdfAction.GotoLocalPage(1, pdfDest, writer);
writer.SetOpenAction(action);
doc.Close();
msInput.Close();
outputStream.Close();
//回传PDF档案
var bytes = outputStream.ToArray();
var ret = Convert.ToBase64String(bytes);
try
{
string strbase64 = ret;
strbase64 = strbase64.Replace(' ', '+');
System.IO.MemoryStream stream = new System.IO.MemoryStream(Convert.FromBase64String(strbase64));
System.IO.FileStream fs = new System.IO.FileStream("D:\\证件1.pdf", System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Write);
byte[] b = stream.ToArray();
//byte[] b = stream.GetBuffer();
fs.Write(b, 0, b.Length);
fs.Close();
}
catch (Exception ex)
{
}
}
}
}