C# WordToPDF

1、代码

using System;
using System.Collections.Generic;
using System.IO;
using Word = Microsoft.Office.Interop.Word;//nuget 直接搜

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            bool isContinue = true;
            while (isContinue)
            {
                Console.WriteLine("请输入文件夹地址,或输入N退出!");
                var filePath = Console.ReadLine();
                if (filePath == "N")
                {
                    isContinue = false;
                    continue;
                }
                if (!Directory.Exists(filePath))
                {
                    Console.WriteLine("路径不存在！！！");
                    continue;
                }
                List<string> fileList = new List<string>();
                var dir = new DirectoryInfo(filePath);
                GetFiles(fileList, dir);
                if (fileList.Count <= 0)
                {
                    Console.WriteLine("没有需要转换得文件！");
                    continue;
                }
                foreach (var item in fileList)
                {
                    Console.WriteLine("处理中。。。");
                    WordToPDF(item);
                }
                Console.WriteLine("完成！！！！");
            }
        }

        public static bool WordToPDF(string sourcePath)
        {
            bool result = false;
            Word.Application application = new Word.Application();
            Word.Document document = null;
            try
            {
                application.Visible = false;
                document = application.Documents.Open(sourcePath);
                var p =sourcePath.LastIndexOf(".");
                string PDFPath = sourcePath.Substring(0, p) + ".pdf";//pdf存放位置        
                if (!File.Exists(@PDFPath))//存在PDF，不需要继续转换
                {
                    document.ExportAsFixedFormat(PDFPath, Word.WdExportFormat.wdExportFormatPDF);
                }
                result = true;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                result = false;
            }
            finally
            {
                document.Close();
            }
            return result;
        }

        /// <summary>
        /// 获取目录下所有word文件
        /// </summary>
        /// <param name="list"></param>
        /// <param name="dir"></param>
        public static void GetFiles(List<string> list, DirectoryInfo dir)
        {          
            FileInfo[] allFile = dir.GetFiles();
            foreach (FileInfo item in allFile)
            {
                var extension = item.Extension;
                if (extension == ".doc" || extension == ".docx")
                {
                    list.Add(item.FullName);
                }
              
            }
            DirectoryInfo[] allDir = dir.GetDirectories();
            foreach (DirectoryInfo d in allDir)
            {
                GetFiles(list,d);
            }
          
        }
    }
}

2、注意事项

需要安装office