C#写个小工具,把多个word文档进行合并成一个word文档

先要安装包

帮助类WordDocumentMerger,用于处理word合并功能

csharp 复制代码
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Office.Interop.Word;
using System.Reflection;
using System.IO;
using System.Diagnostics;

namespace WordHellper
{
    public class WordDocumentMerger
    {
        /// <summary>
        /// 合并第几个
        /// </summary>
        public static int status_Index = 0;

        private ApplicationClass objApp = null;
        private Document objDocLast = null;
        private Document objDocBeforeLast = null;
        public WordDocumentMerger()
        {
            objApp = new ApplicationClass();
        }
        #region 打开文件
        private 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();
            objDocLast.SpellingChecked = false;//关闭Word的拼写检查
            objDocLast.ShowSpellingErrors = false;//关闭Word的拼写错误提示 
        }
        #endregion

        #region 保存文件到输出模板
        private 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 循环合并多个文件(复制合并重复的文件)
        ///
        /// 循环合并多个文件(复制合并重复的文件)
        ///
        /// 模板文件
        /// 需要合并的文件
        /// 合并后的输出文件
        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
            {
                //打开模板文件
                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
                          );
                    }
                }

                //保存到输出文件
                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;
            }
        }
        ///
        /// 循环合并多个文件(复制合并重复的文件)
        ///
        /// 模板文件
        /// 需要合并的文件
        /// 合并后的输出文件
        public void CopyMerge(string tempDoc, string strCopyFolder, string outDoc)
        {
            string[] arrFiles = Directory.GetFiles(strCopyFolder);
            CopyMerge(tempDoc, arrFiles, outDoc);
        }
        #endregion

        #region 循环合并多个文件(插入合并文件)
        ///
        /// 循环合并多个文件(插入合并文件)
        ///
        /// 模板文件
        /// 需要合并的文件
        /// 合并后的输出文件
        public void InsertMerge(string tempDoc, string[] arrCopies, string outDoc)
        {
            object objMissing = Missing.Value;
            object objFalse = false;
            object confirmConversion = false;
            object link = false;
            object attachment = false;
            try
            {
                //打开模板文件
                Open(tempDoc);
                int index = 1;
                foreach (string strCopy in arrCopies)
                {
                    objApp.Selection.InsertFile(
                        strCopy,
                        ref objMissing,
                        ref confirmConversion,
                        ref link,
                        ref attachment
                        );
                    object oPageBreak = WdBreakType.wdPageBreak;
                    objApp.Selection.InsertBreak(ref oPageBreak);
                    status_Index = index;
                    index++;
                }
                //保存到输出文件
                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;

                status_Index = -1;
            }
        }
        ///
        /// 循环合并多个文件(插入合并文件)
        ///
        /// 模板文件
        /// 需要合并的文件
        /// 合并后的输出文件
        public void InsertMerge(string tempDoc, string strCopyFolder, string outDoc)
        {
            string[] arrFiles = Directory.GetFiles(strCopyFolder);
            string url = "";
            string hou = "";
            List<int> sysIndexs = new List<int>();
            foreach (var item in arrFiles)
            {
                url = Path.GetDirectoryName(item);
                hou = Path.GetExtension(item);
                string name = Path.GetFileNameWithoutExtension(item);
                int index = Convert.ToInt32(name);
                sysIndexs.Add(index);
            }
            sysIndexs.Sort();

            string[] arrFiles2 = new string[arrFiles.Length];
            int index1 = 0;
            foreach (var item in sysIndexs)
            {
                string name = url + "\\" + item + hou;
                arrFiles2[index1] = name;
                index1++;
            }

            InsertMerge(tempDoc, arrFiles2, outDoc);
        }
        #endregion

    }
}

主界面调用代码:

csharp 复制代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WordHellper
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog dialog = new FolderBrowserDialog();
            dialog.Description = "请选择文件夹路径";
            // dialog.SelectedPath = path;
            //dialog.RootFolder = Environment.SpecialFolder.Programs;
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                string foldPath = dialog.SelectedPath;
                textBox1.Text = foldPath;
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string templatePathAll = Environment.CurrentDirectory + "\\合并文档.docx";//一般是一个空文档
            string filesPath = textBox1.Text.Trim();//一个文件夹目录,里面是需要合并的文档
            string Path = Environment.CurrentDirectory + "\\保存文档.docx";//输出文档路径

            //WordDocumentMerger wordDocMerger = new WordDocumentMerger();
            //wordDocMerger.InsertMerge(templatePathAll, filesPath, Path);

            Task task = new Task(() =>
            {
                Console.WriteLine("使用System.Threading.Tasks.Task执行异步操作.");
                WordDocumentMerger wordDocMerger = new WordDocumentMerger();
                wordDocMerger.InsertMerge(templatePathAll, filesPath, Path);

                while (true)
                {
                    this.Invoke((EventHandler)delegate
                    {
                        label1.Text = WordDocumentMerger.status_Index.ToString();
                    });

                    Thread.Sleep(1000);
                }
            });
            task.Start();
        }
    }
}
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