public MemoryStream Export()        {                  string filepath = Server.MapPath("/word/xmxx.docx");                using (FileStream stream = File.OpenRead(filepath))                {                    XWPFDocument doc = new XWPFDocument(stream);                    //遍歷段落                    foreach (var para in doc.Paragraphs)                    {                        ReplaceKey(para);                    }                    //遍歷表格                    var tables = doc.Tables;                    foreach (var table in tables)                    {                        foreach (var row in table.Rows)                        {                            foreach (var cell in row.GetTableCells())                            {                                foreach (var para in cell.Paragraphs)                                {                                    ReplaceKey(para);                                }                            }                        }                    }                    using (MemoryStream ms = new MemoryStream())                    {                        doc.Write(ms);                        return ms;                    }                }        }        PRivate void ReplaceKey(XWPFParagraph para)        {            BLL.XmxxBLL XmxxBLL = new BLL.XmxxBLL();            Model.Xmxx model = new Model.Xmxx();            model = XmxxBLL.GetModel(20);            string text = para.ParagraphText;            var runs = para.Runs;            string styleid = para.Style;            for (int i = 0; i < runs.Count; i++)            {                var run = runs[i];                text = run.ToString();                Type t = model.GetType();                PropertyInfo[] pi = t.GetProperties();                foreach (PropertyInfo p in pi)                {                    if (text.Contains("{$xmxx." + p.Name + "}"))                    {                        text = text.Replace("{$xmxx." + p.Name + "}", TM.Common.StringHelper.ToString(p.GetValue(model, null)));                    }                }                runs[i].SetText(text, 0);            }        }        protected void Button1_Click(object sender, EventArgs e)        {            using (MemoryStream ms = Export())            {                Response.ContentType = "application/vnd.ms-word";                Response.ContentEncoding = Encoding.UTF8;                Response.Charset = "";                Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode("123.doc", Encoding.UTF8));                Response.BinaryWrite(Export().GetBuffer());                Response.End();            }        }