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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Word : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void btnUpload_Click(object sender, EventArgs e)
    {
        //try
        //{

        //上传  
        //uploadWord(File1);  
        //转换  
        string url = wordToHtml(upWord);
        Response.Redirect(url);
        //}
        //catch (Exception ex)
        //{
        //    throw ex;
        //}
        //finally
        //{
        //    Response.Write("恭喜，转换成功！");
        //}
    }

    //上传文件并转换为html wordToHtml(wordFilePath)  
    ///<summary>  
    ///上传文件并转存为html  
    ///</summary>  
    ///<param name="wordFilePath">word文档在客户机的位置</param>  
    ///<returns>上传的html文件的地址</returns>  
    public string wordToHtml(System.Web.UI.HtmlControls.HtmlInputFile wordFilePath)
    {
        Microsoft.Office.Interop.Word.ApplicationClass word = new Microsoft.Office.Interop.Word.ApplicationClass();
        Type wordType = word.GetType();
        Microsoft.Office.Interop.Word.Documents docs = word.Documents;

        // 打开文件  
        Type docsType = docs.GetType();

        //应当先把文件上传至服务器然后再解析文件为html  
        string filePath = uploadWord(wordFilePath);

        //判断是否上传文件成功  
        if (filePath == "0")
            return "0";
        //判断是否为word文件  
        if (filePath == "1")
            return "1";

        object fileName = filePath;

        Microsoft.Office.Interop.Word.Document doc = new Microsoft.Office.Interop.Word.Document();
        doc = (Microsoft.Office.Interop.Word.Document)docsType.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, docs, new Object[] { fileName, true, true });

        // 转换格式，另存为html  
        Type docType = doc.GetType();

        string filename = System.DateTime.Now.Year.ToString() + System.DateTime.Now.Month.ToString() + System.DateTime.Now.Day.ToString() +
        System.DateTime.Now.Hour.ToString() + System.DateTime.Now.Minute.ToString() + System.DateTime.Now.Second.ToString();

        //被转换的html文档保存的位置  
        string ConfigPath = System.Web.HttpContext.Current.Server.MapPath("html/");
        if (!System.IO.Directory.Exists(ConfigPath))
        {
            System.IO.Directory.CreateDirectory(ConfigPath);
        }
        object saveFileName = ConfigPath + filename + ".html";


        /*下面是Microsoft Word 9 Object Library的写法，如果是10，可能写成： 
         * docType.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod, 
         * null, doc, new object[]{saveFileName, Word.WdSaveFormat.wdFormatFilteredHTML}); 
         * 其它格式： 
         * wdFormatHTML 
         * wdFormatDocument 
         * wdFormatDOSText 
         * wdFormatDOSTextLineBreaks 
         * wdFormatEncodedText 
         * wdFormatRTF 
         * wdFormatTemplate 
         * wdFormatText 
         * wdFormatTextLineBreaks 
         * wdFormatUnicodeText 
         */
        docType.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod,
        null, doc, new object[] { saveFileName, Microsoft.Office.Interop.Word.WdSaveFormat.wdFormatFilteredHTML });

        //关闭文档  
        docType.InvokeMember("Close", System.Reflection.BindingFlags.InvokeMethod,
        null, doc, new object[] { null, null, null });

        // 退出 Word  
        wordType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, word, null);
        //转到新生成的页面  
        return ("./html/" + filename + ".html");
    }

    public string uploadWord(System.Web.UI.HtmlControls.HtmlInputFile uploadFiles)
    {
        if (uploadFiles.PostedFile != null)
        {
            string fileName = uploadFiles.PostedFile.FileName;
            int extendNameIndex = fileName.LastIndexOf(".");
            string extendName = fileName.Substring(extendNameIndex);
            string newName = "";
            try
            {
                //验证是否为word格式  
                if (extendName == ".doc")
                {

                    DateTime now = DateTime.Now;
                    newName = now.ToString("yyyyMMddHHmmss") + uploadFiles.PostedFile.ContentLength.ToString();
                    //上传路径 指当前上传页面的同一级的目录下面的wordTmp路径  
                    string path = System.Web.HttpContext.Current.Server.MapPath("wordTmp/");
                    if (!System.IO.Directory.Exists(path))
                    {
                        System.IO.Directory.CreateDirectory(path);
                    }
                    string aimPath = path + newName + extendName;
                    uploadFiles.PostedFile.SaveAs(aimPath);
                }
                else
                {
                    return "1";
                }
            }
            catch
            {
                return "0";
            }
            //return "http://" + HttpContext.Current.Request.Url.Host + HttpContext.Current.Request.ApplicationPath + "/wordTmp/" + newName + extendName;  
            return System.Web.HttpContext.Current.Server.MapPath("wordTmp/" + newName + extendName);
        }

        else
        {
            return "0";
        }
    }
}