C# 實現將多個word文檔合並成一個word文檔的功能


  前段時間項目上遇到這么一個需求,需要將多個OCR識別的word文檔合並成一個,於是就在網上找了找,自己修改了一下。在這里跟大家分享一下,希望有用的到的。

  要做多word文檔合並,首先要導入Microsoft.Office.Interop.Word這個dll。我覺得很多人會在這個問題上糾結很久,因為找不到這個dll,當然我也這里找了很久才找到,最終我的解決辦法是這樣的。如果在VS的引用下的COM組件中找不到這個dll,那么,你就在你的電腦上查找這個文件,如果找到了,你可以直接把它復制到你項目中,然后用瀏覽的方式直接找到這個dll引用就可以了。另外網上還有人說添加Microsoft Office 11.0 Object Library這個引用,看你具體需要吧,如果用得着,那就添加,用不着就沒必要。如果你電腦上查找不到Microsoft.Office.Interop.Word.dll,那么可能是你的office安裝的有問題,就往這方面解決。好了,引用了這個dll后就可以寫代碼了。

  這里網上有一個封裝好的類,稍微修改了一下,還不錯,所以就直接拿來給大家參考。其實我覺得開發沒必要什么都親力親為,我們程序員的工作任務是解決實際的問題,而並不是寫代碼。

 public class WordClass
    {
        Microsoft.Office.Interop.Word.Application objApp = null;
        Document objDocLast = null;
        Document objDocBeforeLast = null;
        public WordClass()
        {
            objApp = new Application();
        }
        #region 打開文件
        public void Open(string tempDoc)
        {
            object objTempDoc = tempDoc;
            object objMissing = System.Reflection.Missing.Value;

            objDocLast = objApp.Documents.Open(
               ref objTempDoc, //FileName 
               ref objMissing, //ConfirmVersions 
               ref objMissing, //ReadOnly 
               ref objMissing, //AddToRecentFiles 
               ref objMissing, //PasswordDocument 
               ref objMissing, //PasswordTemplate 
               ref objMissing, //Revert 
               ref objMissing, //WritePasswordDocument 
               ref objMissing, //WritePasswordTemplate 
               ref objMissing, //Format 
               ref objMissing, //Enconding 
               ref objMissing, //Visible 
               ref objMissing, //OpenAndRepair 
               ref objMissing, //DocumentDirection 
               ref objMissing, //NoEncodingDialog 
               ref objMissing //XMLTransform 
               );
            objDocLast.Activate();
        }
        #endregion

        #region 保存文件到輸出模板
        public void SaveAs(string outDoc)
        {
            object objMissing = System.Reflection.Missing.Value;
            object objOutDoc = outDoc;
            objDocLast.SaveAs(
            ref objOutDoc, //FileName 
            ref objMissing, //FileFormat 
            ref objMissing, //LockComments 
            ref objMissing, //PassWord 
            ref objMissing, //AddToRecentFiles 
            ref objMissing, //WritePassword 
            ref objMissing, //ReadOnlyRecommended 
            ref objMissing, //EmbedTrueTypeFonts 
            ref objMissing, //SaveNativePictureFormat 
            ref objMissing, //SaveFormsData 
            ref objMissing, //SaveAsAOCELetter, 
            ref objMissing, //Encoding 
            ref objMissing, //InsertLineBreaks 
            ref objMissing, //AllowSubstitutions 
            ref objMissing, //LineEnding 
            ref objMissing //AddBiDiMarks 
            );
        }
        #endregion

        #region 循環合並多個文件(復制合並重復的文件)
        /// <summary> 
        /// 循環合並多個文件(復制合並重復的文件) 
        /// </summary> 
        /// <param name="tempDoc">模板文件</param> 
        /// <param name="arrCopies">需要合並的文件</param> 
        /// <param name="outDoc">合並后的輸出文件</param> 
        public void CopyMerge(string tempDoc, string[] arrCopies, string outDoc)
        {
            object objMissing = Missing.Value;
            object objFalse = false;
            object objTarget = WdMergeTarget.wdMergeTargetSelected;
            object objUseFormatFrom = WdUseFormattingFrom.wdFormattingFromSelected;
            try
            {
                //打開模板文件 
                Open(tempDoc);
                foreach (string strCopy in arrCopies)
                {
                    objDocLast.Merge(
                    strCopy, //FileName 
                    ref objTarget, //MergeTarget 
                    ref objMissing, //DetectFormatChanges 
                    ref objUseFormatFrom, //UseFormattingFrom 
                    ref objMissing //AddToRecentFiles 
                    );
                    objDocBeforeLast = objDocLast;
                    objDocLast = objApp.ActiveDocument;
                    if (objDocBeforeLast != null)
                    {
                        objDocBeforeLast.Close(
                        ref objFalse, //SaveChanges 
                        ref objMissing, //OriginalFormat 
                        ref objMissing //RouteDocument 
                        );
                    }
                }
                //保存到輸出文件 
                SaveAs(outDoc);
                foreach (Document objDocument in objApp.Documents)
                {
                    objDocument.Close(
                    ref objFalse, //SaveChanges 
                    ref objMissing, //OriginalFormat 
                    ref objMissing //RouteDocument 
                    );
                }
            }
            finally
            {
                objApp.Quit(
                ref objMissing, //SaveChanges 
                ref objMissing, //OriginalFormat 
                ref objMissing //RoutDocument 
                );
                objApp = null;
            }
        }
        /// <summary> 
        /// 循環合並多個文件(復制合並重復的文件) 
        /// </summary> 
        /// <param name="tempDoc">模板文件</param> 
        /// <param name="arrCopies">需要合並的文件</param> 
        /// <param name="outDoc">合並后的輸出文件</param> 
        public void CopyMerge(string tempDoc, string strCopyFolder, string outDoc)
        {
            string[] arrFiles = Directory.GetFiles(strCopyFolder);
            CopyMerge(tempDoc, arrFiles, outDoc);
        }
        #endregion

        #region 循環合並多個文件(插入合並文件)
        /// <summary> 
        /// 循環合並多個文件(插入合並文件) 
        /// </summary> 
        /// <param name="tempDoc">模板文件</param> 
        /// <param name="arrCopies">需要合並的文件</param> 
        /// <param name="outDoc">合並后的輸出文件</param> 
        public void InsertMerge(string tempDoc, List<string> arrCopies, string outDoc)
        {
            object objMissing = Missing.Value;
            object objFalse = false;
            object confirmConversion = false;
            object link = false;
            object attachment = false;
            try
            {
                //打開模板文件 
                Open(tempDoc);
                foreach (string strCopy in arrCopies)
                {
                    objApp.Selection.InsertFile(
                    strCopy,
                    ref objMissing,
                    ref confirmConversion,
                    ref link,
                    ref attachment
                    );
                }
                //保存到輸出文件 
                SaveAs(outDoc);
                foreach (Document objDocument in objApp.Documents)
                {
                    objDocument.Close(
                    ref objFalse, //SaveChanges 
                    ref objMissing, //OriginalFormat 
                    ref objMissing //RouteDocument 
                    );
                }
            }
            finally
            {
                objApp.Quit(
                ref objMissing, //SaveChanges 
                ref objMissing, //OriginalFormat 
                ref objMissing //RoutDocument 
                );
                objApp = null;
            }
        }
        /// <summary> 
        /// 循環合並多個文件(插入合並文件) 
        /// </summary> 
        /// <param name="tempDoc">模板文件</param> 
        /// <param name="arrCopies">需要合並的文件</param> 
        /// <param name="outDoc">合並后的輸出文件</param> 
        public void InsertMerge(string tempDoc, string strCopyFolder, string outDoc)
        {
            string[] arrFiles = Directory.GetFiles(strCopyFolder);
            List<string> files = new List<string>();
            for (int i = 0; i < arrFiles.Count(); i++)
            {
                if (arrFiles[i].Contains("doc"))
                {
                    files.Add(arrFiles[i]);
                }
            }
            InsertMerge(tempDoc, files, outDoc);
        }
        #endregion

        #region 合並文件夾下的所有txt文件

        /// <summary>
        /// 合並多個txt文件
        /// </summary>
        /// <param name="infileName">文件存在的路勁</param>
        /// <param name="outfileName">輸出文件名稱</param>
        public void CombineFile(string filePath, string outfileName)
        {
            string[] infileName = Directory.GetFiles(filePath, "*.txt");
            int b;
            int n = infileName.Length;
            FileStream[] fileIn = new FileStream[n];
            using (FileStream fileOut = new FileStream(outfileName, FileMode.Create))
            {
                for (int i = 0; i < n; i++)
                {
                    try
                    {
                        fileIn[i] = new FileStream(infileName[i], FileMode.Open);
                        while ((b = fileIn[i].ReadByte()) != -1)
                            fileOut.WriteByte((byte)b);
                    }
                    catch (System.Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                    finally
                    {
                        fileIn[i].Close();
                    }
                }
            }
        }
        #endregion
    }

  使用這個類,我們可以把一個目錄下的所有word文檔合並成一個,也可以把一個目錄下的所有txt文件合並成一個。


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