求用C#实现生成PDF文档

[wht526]

求用C#实现生成PDF文档

[朝圆夜不圆]

用C#实现生成PDF文档（原码）

来源：qqread论坛 作者： 2006-08-12 出处：PCDOG.COM





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　　 　　用C#实现生成PDF文档（原码）



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文档头信息

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文档描述

streamStart = mPDF.Length;

//字体

strPDFMessage = "BT\n/F0 " + fontSize + " Tf\n";

ConvertToByteAndAddtoStream(strPDFMessage);

//PDF文档实体高度

yPos = pageDepth - pageMargin;

strPDFMessage = pageMargin + " " + yPos + " Td\n";

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage = leadSize + " TL\n";

ConvertToByteAndAddtoStream(strPDFMessage);



//实体内容

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文档的版本信息

xRefs.Add(mPDF.Length);

strPDFMessage = "2 0 obj\n" + streamLen + "\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);



xRefs.Add(mPDF.Length);

strPDFMessage = "3 0 obj\n<</Type/Page/Parent 4 0 R/Contents 1 0 R>>\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);



xRefs.Add(mPDF.Length);

strPDFMessage = "4 0 obj\n<</Type /Pages /Count 1\n";

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage = "/Kids[\n3 0 R\n]\n";

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage = "/Resources<</ProcSet[/PDF/Text]/Font<</F0 5 0 R>> >>\n";

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage = "/MediaBox [ 0 0 " + pageWidth + " " + pageDepth + " ]\n>>\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);



xRefs.Add(mPDF.Length);

strPDFMessage = "5 0 obj\n<</Type/Font/Subtype/Type1/BaseFont/Courier/Encoding/WinAnsiEncoding>>\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);



xRefs.Add(mPDF.Length);

strPDFMessage = "6 0 obj\n<</Type/Catalog/Pages 4 0 R>>\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();

}

}

}

[baihe_591]

不懂，学习了。

[yuchongjike]

我记得用水晶报表可以生成的。