office文件转换为html之word篇

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Reflection;
using Microsoft.Office.Interop.Word;
using Aspose.Words;
using System.Text.RegularExpressions;

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

        }
        private string InsertHeadHtml(string strHtml, string realPath)
        {
            int index = strHtml.IndexOf("<body");
            strHtml = strHtml.Insert(index, "<div  style=‘height:60px;font-size:14px;margin:0px 0px  12px 0px;padding:14px 4px 12px 12px;line-height:24px;height:1%;‘>以下是该文档的HTML预览效果。<br/><span>由于是网页提取显示word中的内容，有可能部分显示与源文档中有差异，如想查看更准确的信息，</span>您可以点击 <a  style=‘color:6699FF;text-decoration:underline;‘  href=‘/Lib/UdControls/Download.aspx?action=Download&appFormCode=" + HttpContext.Current.Request.QueryString["appFormCode"].ToString() + "&path=" + HttpContext.Current.Request.QueryString["path"].ToString() + "&encrypt=" + HttpContext.Current.Request.QueryString["encrypt"].ToString() + "‘><b>下载原始附件</b></a></div>");

            Regex reg = new Regex(@"(?<start><img[^>]+?src="")(?<src>[^""]+?)(?<end>""[^>]+?>)");
            strHtml = reg.Replace(strHtml, delegate(Match m)
            {
                return string.Format("{0}{1}{2}{3}",
                  m.Groups["start"].Value,
                  realPath,
                  m.Groups["src"].Value,
                  m.Groups["end"].Value
                  );
            });

            return strHtml;
        }

        private void WordToHtmlFile(string WordFilePath)
        {
            //try
            //{
                // 指定原文件和目标文件
                string realPath = WordFilePath.Substring(0, WordFilePath.LastIndexOf("/") + 1);
                WordFilePath = System.Web.HttpContext.Current.Server.MapPath(WordFilePath);
                object target = WordFilePath.Substring(0, WordFilePath.LastIndexOf(".")) + ".html";
                //string realPath = WordFilePath.Substring(0,  WordFilePath.LastIndexOf(".")) + ".html";

                if (!File.Exists(target.ToString()))
                {
                    Aspose.Words.Document doc = new Aspose.Words.Document(WordFilePath);
                    doc.Save(target.ToString(), SaveFormat.Html);
                    //doc.Close();
                }
                StreamReader sr = new StreamReader(target.ToString(), Encoding.Default);
                //string strHtml = sr.ReadToEnd();
                //strHtml = InsertHeadHtml(strHtml, realPath);
                //HttpContext.Current.Response.Write(strHtml);
                sr.Close();
            //}
            //catch (Exception ex)
            //{
            //    //记录异常
            //    LogEntry logEntry = new LogEntry();
            //    logEntry.Message = ex.Message;
            //    logEntry.Title = "---->将Word文档转换成HTML格式异常[WordToHtmlFile]";
            //    logEntry.TimeStamp = DateTime.Now;
            //    logEntry.LogEntryType = LogEntryType.Error;
            //    logEntry.LogCatalog = LogCatalog.ExceptionLog;
            //    logEntry.StackTrace = ex.StackTrace;
            //    LogPosition logPosition = LogPosition.FileLog;
            //    string positionParameter = SysConfig.ToString(SysConfig.GetAppSetting("LogPath"));
            //    SysLogger.Write(logEntry, logPosition, positionParameter);
            //}
        }

        protected void Button1_Command(object sender, CommandEventArgs e)
        {
            string path = @"/office_file/Myword.docx";
            string path_html = @"/office_file/Myword.html";
            WordToHtmlFile(path);
            if (File.Exists((string)path_html))
            {
                File.Delete((string)path_html);
            }
        }

    }

}