应用netoffice合并word的简单代码。

using System;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Text;
using NetOffice;
using Word = NetOffice.WordApi;
using NetOffice.WordApi.Enums;
using Office = NetOffice.OfficeApi;
using NetOffice.OfficeApi.Enums;
using VBIDE = NetOffice.VBIDEApi;
using NetOffice.VBIDEApi.Enums;

namespace MyAssembly4
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] filesToMerge= new string[2];
            filesToMerge[0] = "E:/1.docx";
            filesToMerge[1] = "E:/2.docx";
            Merge(filesToMerge, "E:/3.docx");
        }
        /// <summary>
        /// A function that merges Microsoft Word Documents
        /// </summary>
        /// <param name="filesToMerge">An array of files that we want to merge</param>
        /// <param name="outputFilename">The filename of the merged document</param>
        public static void Merge(string[] filesToMerge, string outputFilename)
        {
            object outputFile = outputFilename;
            // Create  a new Word application
            Word._Application wordApplication = new Word.Application();
            try
            {
                // Create a new file based on our template
                Word._Document wordDocument = wordApplication.Documents.Add();
                // Make a Word selection object.
                Word.Selection selection = wordApplication.Selection;
                // Loop thru each of the Word documents
                foreach (string file in filesToMerge)
                {
                    // Insert the files to our template
                    selection.InsertFile(file);
                }
                // Save the document to it's output file.
                wordDocument.SaveAs(outputFile);
                // Clean up!
                wordDocument = null;
            }
            catch (Exception ex)
            {
                //I didn't include a default error handler so i'm just throwing the error
                throw ex;
            }
            finally
            {
                // Finally, Close our Word application
                wordApplication.Quit();
            }
        }
    }
}