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C# 上传文件时如何实现将doc、txt文件自动转换为pdf并保存? RRS feed

答案

  • word 转PDF

    private string adobePdfPrint = "Adobe PDF";
    private string adobeDisPrint = "Acrobat Distiller";
    private string regRoot = "SOFTWARE//Adobe//Acrobat Distiller//";
    private string printerFileName = "acrodist.exe";
    private string regName = "InstallPath";


    /// <summary>
    /// 获取acrodist.exe的安装路径
    /// </summary>
    /// <returns></returns>
    private string GetAdobeDisFilePath()
    {
    RegistryKey regKey = null;
    RegistryKey acrodistKey = null;
    string printerName = string.Empty;
    int i;
    string regRootVersion = string.Empty;

    regKey = Registry.LocalMachine;
    // acrodist的4-8版本适用
    for (i = 4; i < 9; i++)
    {
    regRootVersion = string.Format("{0}{1}.0", regRoot, i);
    acrodistKey = regKey.OpenSubKey(regRootVersion);

    if (acrodistKey != null)
    {
    printerName = acrodistKey.GetValue(regName, "") + "//" + printerFileName;
    if (File.Exists(printerName))
    {
    return printerName;
    }
    }
    }
    throw new Exception("Acrobat Distiller printer not found!");
    }

    /// <summary>
    /// 获取Adobe Printer
    /// "Adobe PDF" 或 "Acrobat Distiller"
    /// </summary>
    /// <returns></returns>
    private string GetAdobePrinter()
    {
    foreach (string printername in PrinterSettings.InstalledPrinters)
    {
    if (printername.ToUpper().IndexOf(adobePdfPrint.ToUpper()) != -1 || printername.ToUpper().IndexOf(adobeDisPrint.ToUpper()) != -1)
    {
    return printername;
    }
    }
    return string.Empty;
    }

    public void ConvertWord2Pdf(string sourceFile)
    {
    if (PrinterSettings.InstalledPrinters.Count == 0)
    throw new Exception("Did not find the printer, please install the printer.");

    if (!File.Exists(sourceFile))
    throw new Exception(string.Format("File not found:{0}", sourceFile));

     

    string strDir = Path.GetDirectoryName(sourceFile);

    string strName = Path.GetFileNameWithoutExtension(sourceFile);

    string prnFile = string.Format("{0}//{1}.prn",strDir,strName);
    string pdfFile = string.Format("{0}//{1}.pdf",strDir,strName);
    object objPrnFile = (object)prnFile;
    object background = true;
    object printToFile = true;
    object collate = true;
    object append = false;
    object manualDuplexPrint = false;
    object copies = false;
    object range = Word.WdPrintOutRange.wdPrintAllDocument;
    object missing = System.Reflection.Missing.Value;
    string msg = string.Empty;

    string adobePrinter = GetAdobePrinter();

    if (adobePrinter.Length == 0)
    throw new Exception("Did not find Adobe PDF printer or Acrobat Distiller printer, please install the printer.");

    IWord word = new Word2003Factory().CreateWord();
    // 打开Word文档
    Word.Document doc = word.OpenDocument(sourceFile);
    string oldPrint = doc.Application.ActivePrinter;
    // 将Adobe Printer设置为默认打印机
    doc.Application.ActivePrinter = adobePrinter;
    DateTime start = DateTime.Now;
    DateTime end = start.AddSeconds(20);
    // Word文档打印到Prn文件
    doc.PrintOut(ref background, ref append, ref range, ref objPrnFile, ref missing, ref missing,
    ref missing, ref missing,ref missing, ref printToFile, ref collate, ref missing, ref missing,
    ref missing, ref missing, ref missing, ref missing, ref missing);


    while (!File.Exists(prnFile))
    {
    if (DateTime.Now > end)
    {
    throw new Exception("Word document print to prn document overtime");
    }
    else
    {
    Application.DoEvents();
    }
    }

    doc.Application.ActivePrinter = oldPrint;
    word.Close(false);
    doc = null;
    word = null;

    // Prn装PDF
    Process objProcess = new Process();
    objProcess.StartInfo.CreateNoWindow = true;
    objProcess.StartInfo.UseShellExecute = false;
    objProcess.StartInfo.FileName = GetAdobeDisFilePath();
    objProcess.StartInfo.Arguments = prnFile;

    start = DateTime.Now;
    end = start.AddSeconds(20);
    objProcess.Start();

    while (!File.Exists(pdfFile))
    {
    if (DateTime.Now > end)
    {
    throw new Exception("Word document print to prn document overtime");
    }
    else
    {
    Application.DoEvents();
    }
    }

    objProcess.CloseMainWindow();

    //if (File.Exists(prnFile))
    //{
    // File.Delete(prnFile);
    //}

    /*
    ACRODISTXLib.PdfDistiller pdfDis = new ACRODISTXLib.PdfDistiller();

    pdfDis.FileToPDF(prnFile, pdfFile, string.Empty);
    start = DateTime.Now;
    end = start.AddSeconds(20);
    while(!File.Exists(pdfFile))
    {
    if (DateTime.Now > end)
    {
    throw new Exception("prn document print to pdf document overtime");
    }
    else
    {
    Application.DoEvents();
    }
    }
    pdfDis = null;
    */
    }


    天行健,君子当自强不息!
    2011年7月20日 6:12

全部回复

  • dear

    您考参考使用iTextSharp,以下几个连结供您参考

    http://www.cc.ntu.edu.tw/chinese/epaper/0015/20101220_1509.htm

    http://blog.darkthread.net/post-2010-02-09-text-to-pdf.aspx

    http://csharp-source.net/open-source/pdf-libraries

    http://tech.ddvip.com/2009-06/1245826097124704.html


    秘訣無它,唯勤而已 http://www.dotblogs.com.tw/yc421206/
    2011年7月19日 8:35
  • word 转PDF

    private string adobePdfPrint = "Adobe PDF";
    private string adobeDisPrint = "Acrobat Distiller";
    private string regRoot = "SOFTWARE//Adobe//Acrobat Distiller//";
    private string printerFileName = "acrodist.exe";
    private string regName = "InstallPath";


    /// <summary>
    /// 获取acrodist.exe的安装路径
    /// </summary>
    /// <returns></returns>
    private string GetAdobeDisFilePath()
    {
    RegistryKey regKey = null;
    RegistryKey acrodistKey = null;
    string printerName = string.Empty;
    int i;
    string regRootVersion = string.Empty;

    regKey = Registry.LocalMachine;
    // acrodist的4-8版本适用
    for (i = 4; i < 9; i++)
    {
    regRootVersion = string.Format("{0}{1}.0", regRoot, i);
    acrodistKey = regKey.OpenSubKey(regRootVersion);

    if (acrodistKey != null)
    {
    printerName = acrodistKey.GetValue(regName, "") + "//" + printerFileName;
    if (File.Exists(printerName))
    {
    return printerName;
    }
    }
    }
    throw new Exception("Acrobat Distiller printer not found!");
    }

    /// <summary>
    /// 获取Adobe Printer
    /// "Adobe PDF" 或 "Acrobat Distiller"
    /// </summary>
    /// <returns></returns>
    private string GetAdobePrinter()
    {
    foreach (string printername in PrinterSettings.InstalledPrinters)
    {
    if (printername.ToUpper().IndexOf(adobePdfPrint.ToUpper()) != -1 || printername.ToUpper().IndexOf(adobeDisPrint.ToUpper()) != -1)
    {
    return printername;
    }
    }
    return string.Empty;
    }

    public void ConvertWord2Pdf(string sourceFile)
    {
    if (PrinterSettings.InstalledPrinters.Count == 0)
    throw new Exception("Did not find the printer, please install the printer.");

    if (!File.Exists(sourceFile))
    throw new Exception(string.Format("File not found:{0}", sourceFile));

     

    string strDir = Path.GetDirectoryName(sourceFile);

    string strName = Path.GetFileNameWithoutExtension(sourceFile);

    string prnFile = string.Format("{0}//{1}.prn",strDir,strName);
    string pdfFile = string.Format("{0}//{1}.pdf",strDir,strName);
    object objPrnFile = (object)prnFile;
    object background = true;
    object printToFile = true;
    object collate = true;
    object append = false;
    object manualDuplexPrint = false;
    object copies = false;
    object range = Word.WdPrintOutRange.wdPrintAllDocument;
    object missing = System.Reflection.Missing.Value;
    string msg = string.Empty;

    string adobePrinter = GetAdobePrinter();

    if (adobePrinter.Length == 0)
    throw new Exception("Did not find Adobe PDF printer or Acrobat Distiller printer, please install the printer.");

    IWord word = new Word2003Factory().CreateWord();
    // 打开Word文档
    Word.Document doc = word.OpenDocument(sourceFile);
    string oldPrint = doc.Application.ActivePrinter;
    // 将Adobe Printer设置为默认打印机
    doc.Application.ActivePrinter = adobePrinter;
    DateTime start = DateTime.Now;
    DateTime end = start.AddSeconds(20);
    // Word文档打印到Prn文件
    doc.PrintOut(ref background, ref append, ref range, ref objPrnFile, ref missing, ref missing,
    ref missing, ref missing,ref missing, ref printToFile, ref collate, ref missing, ref missing,
    ref missing, ref missing, ref missing, ref missing, ref missing);


    while (!File.Exists(prnFile))
    {
    if (DateTime.Now > end)
    {
    throw new Exception("Word document print to prn document overtime");
    }
    else
    {
    Application.DoEvents();
    }
    }

    doc.Application.ActivePrinter = oldPrint;
    word.Close(false);
    doc = null;
    word = null;

    // Prn装PDF
    Process objProcess = new Process();
    objProcess.StartInfo.CreateNoWindow = true;
    objProcess.StartInfo.UseShellExecute = false;
    objProcess.StartInfo.FileName = GetAdobeDisFilePath();
    objProcess.StartInfo.Arguments = prnFile;

    start = DateTime.Now;
    end = start.AddSeconds(20);
    objProcess.Start();

    while (!File.Exists(pdfFile))
    {
    if (DateTime.Now > end)
    {
    throw new Exception("Word document print to prn document overtime");
    }
    else
    {
    Application.DoEvents();
    }
    }

    objProcess.CloseMainWindow();

    //if (File.Exists(prnFile))
    //{
    // File.Delete(prnFile);
    //}

    /*
    ACRODISTXLib.PdfDistiller pdfDis = new ACRODISTXLib.PdfDistiller();

    pdfDis.FileToPDF(prnFile, pdfFile, string.Empty);
    start = DateTime.Now;
    end = start.AddSeconds(20);
    while(!File.Exists(pdfFile))
    {
    if (DateTime.Now > end)
    {
    throw new Exception("prn document print to pdf document overtime");
    }
    else
    {
    Application.DoEvents();
    }
    }
    pdfDis = null;
    */
    }


    天行健,君子当自强不息!
    2011年7月20日 6:12