public void WordToPdf()
        {
            // 创建一个新的Microsoft Word应用程序对象
            Microsoft.Office.Interop.Word.Application word = new Microsoft.Office.Interop.Word.Application();

            // C# doesn't have optional arguments so we'll need a dummy value
            object oMissing = System.Reflection.Missing.Value;

            // Get list of Word files in specified directory
            DirectoryInfo dirInfo = new DirectoryInfo(Server.MapPath("User_Word"));//我这里是文件夹路径
            FileInfo[] wordFiles = dirInfo.GetFiles("*.doc");//获取文件夹下面的doc,你也可以指定某个word

            word.Visible = false;
            word.ScreenUpdating = false;

            foreach (FileInfo wordFile in wordFiles)
            {
                // Cast as Object for word Open method
                Object filename = (Object)wordFile.FullName;

                // Use the dummy value as a placeholder for optional arguments
                Microsoft.Office.Interop.Word.Document doc = word.Documents.Open(ref filename, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing);
                doc.Activate();

                object outputFileName = wordFile.FullName.Replace(".doc", ".pdf");
                object fileFormat = WdSaveFormat.wdFormatPDF;

                // Save document into PDF Format
                doc.SaveAs(ref outputFileName,
                    ref fileFormat, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing,
                    ref oMissing, ref oMissing, ref oMissing, ref oMissing);

                // Close the Word document, but leave the Word application open.
                // doc has to be cast to type _Document so that it will find the
                // correct Close method.                
                object saveChanges = WdSaveOptions.wdDoNotSaveChanges;
                ((_Document)doc).Close(ref saveChanges, ref oMissing, ref oMissing);
                doc = null;
            }
          


        }
里面缺少的引用的下载地址：http://download.csdn.net/detail/u012394290/7814109

import os
import comtypes.client


def get_path():
    # 获取当前运行路径
    #path = os.getcwd()
    path="G:\\党岗位\\"
    # 获取所有文件名的列表
    filename_list = os.listdir(path)
    # 获取所有word文件名列表
    wordname_list = [filename for filename in filename_list \
                     if filename.endswith((".doc", ".docx"))]
    for wordname in wordname_list:
        # 分离word文件名称和后缀，转化为pdf名称
        pdfname = os.path.splitext(wordname)[0] + '.pdf'
        # 如果当前word文件对应的pdf文件存在，则不转化
        if pdfname in filename_list:
            continue
        # 拼接 路径和文件名
        wordpath = os.path.join(path, wordname)
        pdfpath = os.path.join(path, pdfname)
        #生成器
        yield wordpath,pdfpath


def convert_word_to_pdf():
    word = comtypes.client.CreateObject("Word.Application")
    word.Visible = 0
    for wordpath,pdfpath in get_path():
        newpdf = word.Documents.Open(wordpath)
        newpdf.SaveAs(pdfpath, FileFormat=17)
        newpdf.Close()
    # ppt转化为pdf
    # ppt = comtypes.client.CreateObject("Powerpoint.Application")
    # ppt.Visible = 1
    # newpdf = ppt.Presentations.Open(in_file)
    # newpdf.SaveAs(out_file, FileFormat=32)
    # newpdf.Close()


if __name__ == "__main__":
    convert_word_to_pdf()

 

在word转换成pdf时出现这样的异常：
com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException: conversion failed: could not load input document



求解释！！！！！！！！！！！！！！！！！！