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微软从未公开过doc文件格式信息，所以如果你想将文本保存为doc格式，只有操作word完成。如何开发基于62616964757a686964616fe78988e69d8331333332636333Word的.net程序你在网上搜索以下，很多。 至于PDF，给你个简单的例子：using System;

using System.IO;

using System.Text;

using System.Collections;namespace PDFGenerator

{

///

/// Application : Generation of PDF file from text

/// Author : Pramod Kumar Singh

/// Date : 25th July 2001

///public class PDFGenerator

{

static float pageWidth = 594.0f;

static float pageDepth = 828.0f;

static float pageMargin = 30.0f;

static float fontSize = 10.0f;

static float leadSize = 10.0f;//Create a PDF file.

//PDF on Disk

static StreamWriter pPDF=new StreamWriter("F:\\Temp\\myPDF.pdf");

//PDF in Memory

static MemoryStream mPDF= new MemoryStream();//Convert the Text Data to PDF format and write back to

//Memory Stream

static void ConvertToByteAndAddtoStream(string strMsg)

{

Byte[] buffer=null;

buffer=ASCIIEncoding.ASCII.GetBytes(strMsg);

mPDF.Write(buffer,0,buffer.Length);

buffer=null;

}//Format the data length in xRef Format

static string xRefFormatting(long xValue)

{

string strMsg =xValue.ToString();

int iLen=strMsg.Length;

if (iLen<10)

{

StringBuilder s=new StringBuilder();

//string s=null;

int i=10-iLen;

s.Append('0',i);

strMsg=s.ToString() + strMsg;

}

return strMsg;

}//Entry Point

static void Main(string[] args)

{

//Create a ArrayList for xRefs of PDF Document

ArrayList xRefs=new ArrayList();

Byte[] buffer=null;

float yPos =0f;

long streamStart=0;

long streamEnd=0;

long streamLen =0;

string strPDFMessage=null;

//PDF Header Message

strPDFMessage="%PDF-1.1\n";

ConvertToByteAndAddtoStream(strPDFMessage);//ID 1 For Containt

//ID 2 For Length of the Stream

//write the Text//1> Start a new Page

xRefs.Add(mPDF.Length);

strPDFMessage="1 0 obj\n";

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage="<< /Length 2 0 R >>\n";

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage="stream\n";

ConvertToByteAndAddtoStream(strPDFMessage);//Get the start of the stream

streamStart=mPDF.Length;

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

ConvertToByteAndAddtoStream(strPDFMessage);

yPos = pageDepth - pageMargin;

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

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage= leadSize+" TL\n" ;

ConvertToByteAndAddtoStream(strPDFMessage);//Add the text data to the PDF memory stream

strPDFMessage= "(Pramod Kumar Singh)Tj\n" ;

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage= "ET\n";

ConvertToByteAndAddtoStream(strPDFMessage);

//Get the End of the stream

streamEnd=mPDF.Length;

//Get the Length of the stream

streamLen=streamEnd-streamStart;

strPDFMessage= "endstream\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);//Add 2 object to xRef

xRefs.Add(mPDF.Length);

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

ConvertToByteAndAddtoStream(strPDFMessage);//Add Page to xRefs

xRefs.Add(mPDF.Length);

strPDFMessage="3 0 obj\n<>\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);//Build the Pages

xRefs.Add(mPDF.Length);

strPDFMessage="4 0 obj\n<

ConvertToByteAndAddtoStream(strPDFMessage);

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

ConvertToByteAndAddtoStream(strPDFMessage);

strPDFMessage="/Resources<> >>\n";

ConvertToByteAndAddtoStream(strPDFMessage);

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

ConvertToByteAndAddtoStream(strPDFMessage);//Add font to xRefs

xRefs.Add(mPDF.Length);

strPDFMessage="5 0 obj\n<>\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);//Add the catalog to xRefs

xRefs.Add(mPDF.Length);

strPDFMessage="6 0 obj\n<>\nendobj\n";

ConvertToByteAndAddtoStream(strPDFMessage);//xRefs Entry

streamStart=mPDF.Length;

strPDFMessage="xref\n0 7\n0000000000 65535 f \n";

for(int i=0;i

{

strPDFMessage+=xRefFormatting((long) xRefs[i])+" 00000 n \n";

}

ConvertToByteAndAddtoStream(strPDFMessage);

//Trailer for the PDF

strPDFMessage="trailer\n<>\n";

ConvertToByteAndAddtoStream(strPDFMessage);

//xRef location entry

strPDFMessage="startxref\n" + streamStart+"\n%%EOF\n";

ConvertToByteAndAddtoStream(strPDFMessage);

//Write the PDF from Memory Stream to File Stream

mPDF.WriteTo(pPDF.BaseStream);

//Close the Stream

mPDF.Close();

pPDF.Close();

}

}

}

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