PDF读取 PDF文件读取有谁做过,提供些思路和材料C#多谢 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 给楼主一点参考:用C#实现生成PDF文档.Net教程-C#语言//write by wenhui.org 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(); } } } 有一非常好用的阅读pdf文件的ocx组件转让,请联系[email protected] GetSchema()方法可以获得主键信息吗 新人求助登陆系统连数据库的问题,求高手完善下 如何获得datagridview在dataset中的实际行 求VC#写的操作EXCEL的程序源码 如何获得窗体的Name?? 关于给DataGridView中的下拉框(ComboBoxColumn)添加事件 C#怎么绘制3维的统计图? C#怎样读取.result文件内容 怎样自己写一个程序部署Web Service,而不通过IIS? 在window编程过程中怎么样选中datagrid的每一个cell? 提取email地址 C#中怎样实现把系统时间向前或者向后调啊?
.Net教程-C#语言
//write by wenhui.org
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();
}
}
}