word execl ppt 转换html

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Office.Interop.Word;
using System.Reflection;
using System.IO;
using System.Diagnostics;

namespace Web1.Common
{
    /// <summary>
    /// 文件转换
    /// </summary>
    public class OfficeDocument
    {
        /// <summary>
        /// Word生成HTML文件
        /// </summary>
        /// <param name="sourcefilePath">源文档路径</param>
        /// <param name="targetfilePath">目标文档路径</param>
        /// <returns>返回：true - 成功;false - 失败;</returns>
        public static bool WordToHtml(string sourcefilePath, string targetfilePath)
        {
            bool operationResult = false;
            try
            {
                Microsoft.Office.Interop.Word.Application word = new Microsoft.Office.Interop.Word.Application();
                Type wordtype = word.GetType();
                Microsoft.Office.Interop.Word.Documents docs = word.Documents;
                Type docstype = docs.GetType();
                Microsoft.Office.Interop.Word.Document doc = (Microsoft.Office.Interop.Word.Document)docstype.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, docs, new object[]
                    { 
                        sourcefilePath, true, true 
                    });
                Type doctype = doc.GetType();
                doctype.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod, null, doc, new object[] 
                    { 
                        targetfilePath, Microsoft.Office.Interop.Word.WdSaveFormat.wdFormatFilteredHTML
                    });
                doctype.InvokeMember("Close", System.Reflection.BindingFlags.InvokeMethod, null, doc, null);
                wordtype.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, word, null);
                operationResult = true;
            }
            catch (Exception ex)
            {
                operationResult = false;
                throw new Exception(ex.Message);
            }
            return operationResult;
        }

        /// <summary>
        /// PPT生成HTML文件
        /// </summary>
        /// <param name="sourcefilePath">源文档路径</param>
        /// <param name="targetfilePath">目标文档路径</param>
        /// <returns>返回：true - 成功;false - 失败;</returns>
        public static bool PPTtoHtml(string sourcefilePath, string targetfilePath)
        {
            bool operationResult = false;
            try
            {
                Microsoft.Office.Interop.PowerPoint.Application ppApp = new Microsoft.Office.Interop.PowerPoint.Application();
                Microsoft.Office.Interop.PowerPoint.Presentation prsPres = ppApp.Presentations.Open(sourcefilePath, Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);
                prsPres.SaveAs(targetfilePath, Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsHTML, Microsoft.Office.Core.MsoTriState.msoTrue);
                prsPres.Close();
                ppApp.Quit();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(prsPres);
                prsPres = null;

                //垃圾回收  
                GC.Collect();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(ppApp);
                ppApp = null;
                GC.Collect();
                operationResult = true;
            }
            catch (Exception ex)
            {
                operationResult = false;
                throw new Exception(ex.Message);
            }
            return operationResult;
        }

        /// <summary>
        /// Excel生成HTML文件
        /// </summary>
        /// <param name="sourcefilePath">源文档路径</param>
        /// <param name="targetfilePath">目标文档路径</param>
        /// <returns>返回：true - 成功;false - 失败;</returns>
        public static bool ExcelToHtml(string sourcefilePath, string targetfilePath)
        {
            bool operationResult = false;
            try
            {
                Microsoft.Office.Interop.Excel.Application repExcel = new Microsoft.Office.Interop.Excel.Application();
                Microsoft.Office.Interop.Excel.Workbook workbook = null;
                Microsoft.Office.Interop.Excel.Worksheet worksheet = null;

                //打开文件，sourcefilePath是文件路径  
                workbook = repExcel.Application.Workbooks.Open(sourcefilePath, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
                worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];
                object ofmt = Microsoft.Office.Interop.Excel.XlFileFormat.xlHtml;

                //进行另存为操作
                workbook.SaveAs(targetfilePath, ofmt, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
                object osave = false;

                //逐步关闭所有使用的对象  
                workbook.Close(osave, Type.Missing, Type.Missing);
                repExcel.Quit();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(worksheet);
                worksheet = null;

                //垃圾回收  
                GC.Collect();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(workbook);
                workbook = null;
                GC.Collect();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(repExcel.Application.Workbooks);
                GC.Collect();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(repExcel);
                repExcel = null;
                GC.Collect();
                operationResult = true;
            }
            catch (Exception ex)
            {
                operationResult = false;
                throw new Exception(ex.Message);
            }
            return operationResult;
        }

    }
}