成人午夜视频全免费观看高清-秋霞福利视频一区二区三区-国产精品久久久久电影小说-亚洲不卡区三一区三区一区

C#編程簡單實(shí)現(xiàn)生成PDF文檔的方法示例-創(chuàng)新互聯(lián)

本文實(shí)例講述了C#編程簡單實(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:

目前成都創(chuàng)新互聯(lián)公司已為數(shù)千家的企業(yè)提供了網(wǎng)站建設(shè)、域名、虛擬主機(jī)、網(wǎng)站托管、服務(wù)器租用、企業(yè)網(wǎng)站設(shè)計、鳳慶網(wǎng)站維護(hù)等服務(wù),公司將堅持客戶導(dǎo)向、應(yīng)用為本的策略,正道將秉承"和諧、參與、激情"的文化,與客戶和合作伙伴齊心協(xié)力一起成長,共同發(fā)展。
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<</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();
    }
  }
}

另外有需要云服務(wù)器可以了解下創(chuàng)新互聯(lián)建站jinyejixie.com,海內(nèi)外云服務(wù)器15元起步,三天無理由+7*72小時售后在線,公司持有idc許可證,提供“云服務(wù)器、裸金屬服務(wù)器、高防服務(wù)器、香港服務(wù)器、美國服務(wù)器、虛擬主機(jī)、免備案服務(wù)器”等云主機(jī)租用服務(wù)以及企業(yè)上云的綜合解決方案,具有“安全穩(wěn)定、簡單易用、服務(wù)可用性高、性價比高”等特點(diǎn)與優(yōu)勢,專為企業(yè)上云打造定制,能夠滿足用戶豐富、多元化的應(yīng)用場景需求。

網(wǎng)頁名稱:C#編程簡單實(shí)現(xiàn)生成PDF文檔的方法示例-創(chuàng)新互聯(lián)
本文鏈接:http://jinyejixie.com/article0/csdoio.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián),為您提供企業(yè)網(wǎng)站制作微信公眾號、標(biāo)簽優(yōu)化用戶體驗(yàn)、自適應(yīng)網(wǎng)站、小程序開發(fā)

廣告

聲明:本網(wǎng)站發(fā)布的內(nèi)容(圖片、視頻和文字)以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主,如果涉及侵權(quán)請盡快告知,我們將會在第一時間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場,如需處理請聯(lián)系客服。電話:028-86922220;郵箱:631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載,或轉(zhuǎn)載時需注明來源: 創(chuàng)新互聯(lián)

h5響應(yīng)式網(wǎng)站建設(shè)
满城县| 尤溪县| 扎赉特旗| 高青县| 紫阳县| 阜阳市| 铜陵市| 康平县| 大方县| 永定县| 秦安县| 惠水县| 湖南省| 龙游县| 武胜县| 乌兰察布市| 军事| 抚远县| 通江县| 嘉义市| 望奎县| 宣城市| 雷州市| 南召县| 达州市| 沾化县| 北流市| 丰顺县| 灵台县| 清水县| 浦北县| 凌源市| 绿春县| 桑日县| 醴陵市| 台东市| 泊头市| 钦州市| 溧水县| 华蓥市| 法库县|