C#操作Office.word(三）

前面两篇博客讲解了怎么通过程序控制word的生成，包括生成文字、添加表格、添加图片等。这篇博客主要说一下怎么把word图片转换成pdf。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Microsoft.Office.Core;

namespace PDFTest
{
    class PDFUtil
    {
        /// <summary>
        /// 把Word文件转换成为PDF格式文件
        /// </summary>
        /// <param name="sourcePath">源文件路径</param>
        /// <param name="targetPath">目标文件路径</param>
        /// <returns>true=转换成功</returns>
        public static bool WordToPDF(string sourcePath, string targetPath)
        {
            bool result = false;
            Microsoft.Office.Interop.Word.WdExportFormat exportFormat = Microsoft.Office.Interop.Word.WdExportFormat.wdExportFormatPDF;
            Microsoft.Office.Interop.Word.ApplicationClass application = null;

            Microsoft.Office.Interop.Word.Document document = null;
            try
            {
                application = new Microsoft.Office.Interop.Word.ApplicationClass();
                application.Visible = false;
                document = application.Documents.Open(sourcePath);
                document.SaveAs2();
                document.ExportAsFixedFormat(targetPath, exportFormat);
                result = true;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                result = false;
            }
            finally
            {
                if (document != null)
                {
                    document.Close();
                    document = null;
                }
                if (application != null)
                {
                    application.Quit();
                    application = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
            return result;
        }

        /// <summary>
        /// 把Microsoft.Office.Interop.Excel文件转换成PDF格式文件
        /// </summary>
        /// <param name="sourcePath">源文件路径</param>
        /// <param name="targetPath">目标文件路径</param>
        /// <returns>true=转换成功</returns>
        //public static bool ExcelToPDF(string sourcePath, string targetPath)
        //{
        //    bool result = false;
        //    Microsoft.Office.Interop.Excel.XlFixedFormatType targetType = Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF;
        //    object missing = Type.Missing;
        //    Microsoft.Office.Interop.Excel.ApplicationClass application = null;
        //    Microsoft.Office.Interop.Excel.Workbook workBook = null;
        //    try
        //    {
        //        application = new Microsoft.Office.Interop.Excel.ApplicationClass();
        //        application.Visible = false;
        //        workBook = application.Workbooks.Open(sourcePath);
        //        workBook.SaveAs();
        //        workBook.ExportAsFixedFormat(targetType, targetPath);
        //        result = true;
        //    }
        //    catch (Exception e)
        //    {
        //        Console.WriteLine(e.Message);
        //        result = false;
        //    }
        //    finally
        //    {
        //        if (workBook != null)
        //        {
        //            workBook.Close(true, missing, missing);
        //            workBook = null;
        //        }
        //        if (application != null)
        //        {
        //            application.Quit();
        //            application = null;
        //        }
        //        GC.Collect();
        //        GC.WaitForPendingFinalizers();
        //        GC.Collect();
        //        GC.WaitForPendingFinalizers();
        //    }
        //    return result;
        //}
        /// <summary>
        /// 把PowerPoint文件转换成PDF格式文件
        /// </summary>
        /// <param name="sourcePath">源文件路径</param>
        /// <param name="targetPath">目标文件路径</param>
        /// <returns>true=转换成功</returns>
        //public static bool PowerPointToPDF(string sourcePath, string targetPath)
        //{
        //    bool result;
        //    Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType targetFileType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsPDF;
        //    object missing = Type.Missing;
        //    Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;
        //    Microsoft.Office.Interop.PowerPoint.Presentation persentation = null;
        //    try
        //    {
        //        application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();
        //        //application.Visible = MsoTriState.msoFalse;
        //        persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);
        //        persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue);

        //        result = true;
        //    }
        //    catch (Exception e)
        //    {
        //        Console.WriteLine(e.Message);
        //        result = false;
        //    }
        //    finally
        //    {
        //        if (persentation != null)
        //        {
        //            persentation.Close();
        //            persentation = null;
        //        }
        //        if (application != null)
        //        {
        //            application.Quit();
        //            application = null;
        //        }
        //        GC.Collect();
        //        GC.WaitForPendingFinalizers();
        //        GC.Collect();
        //        GC.WaitForPendingFinalizers();
        //    }
        //    return result;
        //}

        /// <summary>
        /// 把Visio文件转换成PDF格式文件
        /// </summary>
        /// <param name="sourcePath">源文件路径</param>
        /// <param name="targetPath">目标文件路径</param>
        /// <returns>true=转换成功</returns>
        //public static bool VisioToPDF(string sourcePath, string targetPath)
        //{
        //    bool result;
        //    Microsoft.Office.Interop.Visio.VisFixedFormatTypes targetType = Microsoft.Office.Interop.Visio.VisFixedFormatTypes.visFixedFormatPDF;
        //    object missing = Type.Missing;
        //    Microsoft.Office.Interop.Visio.ApplicationClass application = null;
        //    Microsoft.Office.Interop.Visio.Document document = null;
        //    try
        //    {
        //        application = new Microsoft.Office.Interop.Visio.ApplicationClass();
        //        application.Visible = false;
        //        document = application.Documents.Open(sourcePath);
        //        document.Save();
        //        document.ExportAsFixedFormat(targetType, targetPath, Microsoft.Office.Interop.Visio.VisDocExIntent.visDocExIntentScreen, Microsoft.Office.Interop.Visio.VisPrintOutRange.visPrintAll);
        //        result = true;
        //    }
        //    catch (Exception e)
        //    {
        //        Console.WriteLine(e.Message);
        //        result = false;
        //    }
        //    finally
        //    {
        //        if (application != null)
        //        {
        //            application.Quit();
        //            application = null;
        //        }
        //        GC.Collect();
        //        GC.WaitForPendingFinalizers();
        //        GC.Collect();
        //        GC.WaitForPendingFinalizers();
        //    }
        //    return result;
        //}

    }
}

程序中包含了各种office格式转换pdf的代码，在使用之前，一定要加载对应的COM库进来，然后才可以使用。