使用NPOI按照word模板文件生成新的word文件

       	/// <summary>
        /// 按照word模板文件 生成新word文件
        /// </summary>
        /// <param name="tempFile">模板文件路径</param>
        /// <param name="saveFile">生成文件路径</param>
        /// <param name="billRegister">议案登记</param>
        public void CreateFileByTemplate(string tempFile,string saveFile, L1BillRegister billRegister)
        {
            using (FileStream stream = File.OpenRead(tempFile))
            {
                XWPFDocument doc = new XWPFDocument(stream);

                //遍历段落
                foreach (var para in doc.Paragraphs)
                {
                    ReplaceKey(para, billRegister);
                }

                //遍历表格
                foreach (var table in doc.Tables)
                {
                    foreach (var row in table.Rows)
                    {
                        foreach (var cell in row.GetTableCells())
                        {
                            foreach (var para in cell.Paragraphs)
                            {
                                ReplaceKey(para, billRegister);
                            }
                        }
                    }
                }
                FileStream out1 = new FileStream(saveFile, FileMode.Create);
                doc.Write(out1);
                out1.Close();
            }
        }

	/// <summary>
        /// 对模板中的值进行替换
        /// </summary>
        /// <param name="para">word文档对象</param>
        /// <param name="billRegister">议案登记对象</param>
        private static void ReplaceKey(XWPFParagraph para, L1BillRegister billRegister)
        {
            string text = "";
            foreach (var run in para.Runs)
            {
                text = run.ToString();
                if (text.Contains("a"))
                {
                    run.SetText(billRegister.BillName, 0);
                }
                else
                {
                    run.SetText(text, 0);
                }
            }
        }

	//调用
	string tempFile = System.Web.HttpContext.Current.Server.MapPath("~/weboffice/tempfiles/meetSolutions.docx");
        string saveFile = System.Web.HttpContext.Current.Server.MapPath("~/weboffice/tempfiles/test/" + billRegister.BillId + ".doc");
	this.CreateFileByTemplate(tempFile,saveFile, billRegister);