Lucene.net 实现全文搜索

Lucene.net 实现全文搜索(5)             {
                doc.Add(Field.UnStored("text", parseHtml(html)));
            }
            else
            {
                doc.Add (Field .UnStored ("text",html));
            }
            doc.Add(Field.Keyword("path", relativePath));
            //doc.Add(Field.Text("title", getTitle(html)));
            doc.Add (Field .Text ("title",title));
            writer.AddDocument(doc);
        } 
        /**//// <summary>
        /// 去除网页中的标签
        /// </summary>
        /// <param name="html">网页</param>
        /// <returns>返回去除后的网页文本</returns>
        private string parseHtml(string html)
        {
            string temp = Regex.Replace(html, "<[^>]*>", "");
            return temp.Replace("&nbsp;", " ");
        }
        /**//// <summary>