本文實(shí)例講述了C#編程簡(jiǎn)單實(shí)現(xiàn)生成PDF文檔的方法。分享給大家供大家參考，具體如下：
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重慶分公司
using System;
using System.IO;
using System.Text;
using System.Collections;
namespace PDFGenerator
{
public class PDFGenerator
{
static float pageWidth = 594.0f;
static float pageDepth = 828.0f;
static float pageMargin = 30.0f;
static float fontSize = 20.0f;
static float leadSize = 10.0f;
static StreamWriter pPDF = new StreamWriter("E:\\myPDF.pdf");
static MemoryStream mPDF = new MemoryStream();
static void ConvertToByteAndAddtoStream(string strMsg)
{
Byte[] buffer = null;
buffer = ASCIIEncoding.ASCII.GetBytes(strMsg);
mPDF.Write(buffer, 0, buffer.Length);
buffer = null;
}
static string xRefFormatting(long xValue)
{
string strMsg = xValue.ToString();
int iLen = strMsg.Length;
if (iLen < 10)
{
StringBuilder s = new StringBuilder();
int i = 10 - iLen;
s.Append('0', i);
strMsg = s.ToString() + strMsg;
}
return strMsg;
}
static void Main(string[] args)
{
ArrayList xRefs = new ArrayList();
//Byte[] buffer=null;
float yPos = 0f;
long streamStart = 0;
long streamEnd = 0;
long streamLen = 0;
string strPDFMessage = null;
//PDF文檔頭信息
strPDFMessage = "%PDF-1.1\n";
ConvertToByteAndAddtoStream(strPDFMessage);
xRefs.Add(mPDF.Length);
strPDFMessage = "1 0 obj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
strPDFMessage = "<< /Length 2 0 R >>\n";
ConvertToByteAndAddtoStream(strPDFMessage);
strPDFMessage = "stream\n";
ConvertToByteAndAddtoStream(strPDFMessage);
////////PDF文檔描述
streamStart = mPDF.Length;
//字體
strPDFMessage = "BT\n/F0 " + fontSize + " Tf\n";
ConvertToByteAndAddtoStream(strPDFMessage);
//PDF文檔實(shí)體高度
yPos = pageDepth - pageMargin;
strPDFMessage = pageMargin + " " + yPos + " Td\n";
ConvertToByteAndAddtoStream(strPDFMessage);
strPDFMessage = leadSize + " TL\n";
ConvertToByteAndAddtoStream(strPDFMessage);
//實(shí)體內(nèi)容
strPDFMessage = "(http://www.wenhui.org)Tj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
strPDFMessage = "ET\n";
ConvertToByteAndAddtoStream(strPDFMessage);
streamEnd = mPDF.Length;
streamLen = streamEnd - streamStart;
strPDFMessage = "endstream\nendobj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
//PDF文檔的版本信息
xRefs.Add(mPDF.Length);
strPDFMessage = "2 0 obj\n" + streamLen + "\nendobj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
xRefs.Add(mPDF.Length);
strPDFMessage = "3 0 obj\n<>\nendobj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
xRefs.Add(mPDF.Length);
strPDFMessage = "4 0 obj\n<>\nendobj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
xRefs.Add(mPDF.Length);
strPDFMessage = "5 0 obj\n<>\nendobj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
xRefs.Add(mPDF.Length);
strPDFMessage = "6 0 obj\n<>\nendobj\n";
ConvertToByteAndAddtoStream(strPDFMessage);
streamStart = mPDF.Length;
strPDFMessage = "xref\n0 7\n0000000000 65535 f \n";
for (int i = 0; i < xRefs.Count; i++)
{
strPDFMessage += xRefFormatting((long)xRefs[i]) + " 00000 n \n";
}
ConvertToByteAndAddtoStream(strPDFMessage);
strPDFMessage = "trailer\n<<\n/Size " + (xRefs.Count + 1) + "\n/Root 6 0 R\n>>\n";
ConvertToByteAndAddtoStream(strPDFMessage);
strPDFMessage = "startxref\n" + streamStart + "\n%%EOF\n";
ConvertToByteAndAddtoStream(strPDFMessage);
mPDF.WriteTo(pPDF.BaseStream);
mPDF.Close();
pPDF.Close();
}
}
}
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希望本文所述對(duì)大家C#程序設(shè)計(jì)有所幫助。
