C# 不依赖Office读取Word、PPTdocdocxpptpptx

通过解析doc,docx,ppt,pptx文件读取文件信息以及内容 完全不依赖Office读取Word、PPT

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

using ExtendOffice.Office.Entity;
using ExtendOffice.Office.Summary;

namespace ExtendOffice.Office
{
    public class CompoundBinaryFile : IOfficeFile
    {
        #region 常量
        private const UInt32 HeaderSize = 0x200;//512字节
        private const UInt32 DirectoryEntrySize = 0x80;//128字节
        protected const UInt32 MaxRegSector = 0xFFFFFFFA;
        protected const UInt32 DifSector = 0xFFFFFFFC;
        protected const UInt32 FatSector = 0xFFFFFFFD;
        protected const UInt32 EndOfChain = 0xFFFFFFFE;
        protected const UInt32 FreeSector = 0xFFFFFFFF;
        #endregion

        #region 字段
        protected FileStream _stream;
        protected BinaryReader _reader;
        protected Int64 _length;
        protected List _fatSectors;
        protected List _minifatSectors;
        protected List _miniSectors;
        protected List _dirSectors;
        protected DirectoryEntry _dirRootEntry;
        protected Dictionary> _entrySectorIDs;
        protected Dictionary _entryData;

        protected List _documentSummaryInformation;
        protected List _summaryInformation;

        #region 头部信息
        private UInt32 _sectorSize;//Sector大小
        private UInt32 _miniSectorSize;//Mini-Sector大小
        private UInt32 _fatCount;//FAT数量
        private UInt32 _dirStartSectorID;//Directory开始的SectorID
        private UInt32 _miniCutoffSize;//Mini-Sector最大的大小
        private UInt32 _miniFatStartSectorID;//Mini-FAT开始的SectorID
        private UInt32 _miniFatCount;//Mini-FAT数量
        private UInt32 _difStartSectorID;//DIF开始的SectorID
        private UInt32 _difCount;//DIF数量
        #endregion
        #endregion

        #region 属性
        /// 

        /// 获取DocumentSummaryInformation
        /// 

        public Dictionary DocumentSummaryInformation
        {
            get
            {
                if （this._documentSummaryInformation == null）
                {
                    return null;
                }

                Dictionary dict = new Dictionary（）;
                for （Int32 i = 0; i < this._documentSummaryInformation.Count; i++）
                {
                    dict.Add（this._documentSummaryInformation[i].Type.ToString（） this._documentSummaryInformation[i].Data.ToString（））;
                }

                return dict;
            }
        }

        /// 

        /// 获取SummaryInformation
        /// 

        public Dictionary SummaryInformation
        {
            get
            {
                if （this._summaryInformation == null）
                {
                    return null;
                }

                Dictionary dict = new Dictionary（）;

                for （

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-10-26 10:28  ExtendOffice.Office\
     目录           0  2017-10-26 10:29  ExtendOffice.Office\bin\
     目录           0  2017-10-26 10:36  ExtendOffice.Office\bin\Debug\
     文件       31744  2017-10-26 10:36  ExtendOffice.Office\bin\Debug\ExtendOffice.Office.dll
     文件       87552  2017-10-26 10:36  ExtendOffice.Office\bin\Debug\ExtendOffice.Office.pdb
     目录           0  2017-10-26 10:29  ExtendOffice.Office\bin\Release\
     文件       25615  2017-10-26 10:28  ExtendOffice.Office\CompoundBinaryFile.cs
     目录           0  2017-10-26 10:28  ExtendOffice.Office\Entity\
     文件        3830  2017-10-26 10:28  ExtendOffice.Office\Entity\DirectoryEntry.cs
     文件        1066  2017-10-26 10:28  ExtendOffice.Office\Entity\PieceElement.cs
     文件        3823  2017-10-26 10:28  ExtendOffice.Office\Entity\PowerPointRecord.cs
     文件        3244  2017-10-26 10:29  ExtendOffice.Office\ExtendOffice.Office.csproj
     目录           0  2017-10-26 10:28  ExtendOffice.Office\Helper\
     文件         304  2017-10-26 10:28  ExtendOffice.Office\Helper\BitHelper.cs
     文件        1908  2017-10-26 10:28  ExtendOffice.Office\Helper\NodeHelper.cs
     文件         967  2017-10-26 10:28  ExtendOffice.Office\Helper\StringHelper.cs
     文件         301  2017-10-26 10:28  ExtendOffice.Office\IOfficeFile.cs
     文件         132  2017-10-26 10:28  ExtendOffice.Office\IPowerPointFile.cs
     文件         289  2017-10-26 10:28  ExtendOffice.Office\IWordFile.cs
     目录           0  2017-10-26 10:17  ExtendOffice.Office\obj\
     目录           0  2017-10-26 10:50  ExtendOffice.Office\obj\Debug\
     文件         683  2017-10-26 10:36  ExtendOffice.Office\obj\Debug\ExtendOffice.Office.csproj.FileListAbsolute.txt
     文件        1435  2017-10-26 10:36  ExtendOffice.Office\obj\Debug\ExtendOffice.Office.csprojResolveAssemblyReference.cache
     文件       31744  2017-10-26 10:36  ExtendOffice.Office\obj\Debug\ExtendOffice.Office.dll
     文件       87552  2017-10-26 10:36  ExtendOffice.Office\obj\Debug\ExtendOffice.Office.pdb
     目录           0  2017-10-26 10:17  ExtendOffice.Office\obj\Debug\TempPE\
     文件        1187  2017-10-26 10:28  ExtendOffice.Office\OfficeFileFactory.cs
     文件        4063  2017-10-26 10:28  ExtendOffice.Office\OfficeOpenxmlFile.cs
     文件        6193  2017-10-26 10:28  ExtendOffice.Office\PowerPointFile.cs
     文件        2540  2017-10-26 10:28  ExtendOffice.Office\PowerPointOOxmlFile.cs
     目录           0  2017-10-26 10:52  ExtendOffice.Office\Properties\
............此处省略43个文件信息