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ASP.NET利用OpenOffice转换文件至PDF.docx

发布时间：2022-05-29 发布人：admin 分类：说明书 资料大小：0.02M 资料格式：docx 举报 版权申诉
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    Convert any Office document to PDF using Open Offi
    Things need to be installed
    Convert any Office document to PDF using Open Office in C#.net Posted: December 8, 2011 in Asp.Net Things need to be installed 1 Download from here Open Office Open Office SDK The required files listed below: cli_basetypes.dll cli_cppuhelper.dll cli_oootypes.dll cli_ure.dll cli_uretypes.dll        If you have installed Open Office SDK, you will get these files under sdk\cli on you installed SDK folder. After give reference of above DLL files import following name space in .cs page. using System; using System.Diagnostics; using System.IO; using System.Threading; using uno; using uno.util;
    using unoidl.com.sun.star.beans; using unoidl.com.sun.star.frame; using unoidl.com.sun.star.lang; This is the method we used for convert any doc to pdf. public void ConvertToPdf(string inputFile, string outputFile) { if (ConvertExtensionToFilterType(Path.GetExtension(inputFile)) == null) throw new InvalidProgramException("Unknown file type for OpenOffice. File = " + inputFile); StartOpenOffice(); //Get a ComponentContext var xLocalContext = Bootstrap.bootstrap(); //Get MultiServiceFactory var xRemoteFactory = (XMultiServiceFactory) xLocalContext.getServiceManager(); //Get a CompontLoader var aLoader = (XComponentLoader)xRemoteFactory.createInstance("com.sun.star.frame.Desktop"); //Load the sourcefile XComponent xComponent = null; try { xComponent = InitDocument(aLoader, PathConverter(inputFile), "_blank"); //Wait for loading
    while (xComponent == null) { } Thread.Sleep(1000); // save/export the document SaveDocument(xComponent, inputFile, PathConverter(outputFile)); } finally if (xComponent != null) xComponent.dispose(); { } } private static void StartOpenOffice() { var ps = Process.GetProcessesByName("soffice.exe"); if (ps.Length != 0) throw new InvalidProgramException("OpenOffice not found. Is OpenOffice installed?"); if (ps.Length > 0) return; var p = new Process { StartInfo = { Arguments = "-headless -nofirststartwizard", FileName = "soffice.exe", CreateNoWindow = true } };
    var result = p.Start(); if (result == false) throw new InvalidProgramException("OpenOffice failed to start."); } private static XComponent InitDocument(XComponentLoader aLoader, string file, string target) { } var openProps = new PropertyValue[1]; openProps[0] = new PropertyValue { Name = "Hidden", Value = new Any(true) }; var xComponent = aLoader.loadComponentFromURL( file, target, 0, openProps); return xComponent; private static void SaveDocument(XComponent xComponent, string sourceFile, string destinationFile) { var propertyValues = new PropertyValue[2]; // Setting the flag for overwriting propertyValues[1] = new PropertyValue { Name = "Overwrite", Value = new Any(true) }; //// Setting the filter name propertyValues[0] = new PropertyValue { }; Name = "FilterName", Value = new Any(ConvertExtensionToFilterType(Path.GetExtension(sourceFile)))
    ((XStorable)xComponent).storeToURL(destinationFile, propertyValues); } private static string PathConverter(string file) { } if (string.IsNullOrEmpty(file)) throw new NullReferenceException("Null or empty path passed to OpenOffice"); return String.Format("file:///{0}", file.Replace(@"\", "/")); public static string ConvertExtensionToFilterType(string extension) { switch (extension) { case ".doc": case ".docx": case ".txt": case ".rtf": case ".html": case ".htm": case ".xml": case ".odt": case ".wps": case ".wpd": return "writer_pdf_Export"; case ".xls": case ".xlsb": case ".xlsx": case ".ods":
    return "calc_pdf_Export"; case ".ppt": case ".pptx": case ".odp": return "impress_pdf_Export"; default: return null; } }
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