/// <summary>
        /// 将Excel数据填充到指定的模板
        /// </summary>
        /// <param name="input">模板文件件流</param>
        /// <param name="worksheetName">工作表名称</param>
        /// <param name="dvData">待填充数据</param>
        /// <returns></returns>
        public static MemoryStream FillExcelTemplatesByDefinedName(Stream input, string worksheetName, System.Data.DataView dvData, bool buyColumnName = false)
        {
            input.NullCheck("模版流不能为这空!");
            dvData.NullCheck("填充的数据不能为空");
            worksheetName.NullCheck("工作薄名称不能为空");
            MemoryStream fillExcelStream = new MemoryStream();
            WorkBook     package         = WorkBook.Load(input);
            WorkSheet    worksheet       = package.Sheets[worksheetName];

            worksheet.NullCheck("指定的工作表名称不存在!");

            Dictionary <string, CellAddress> dtExcel = new Dictionary <string, CellAddress>();
            List <string> formulaDictionary          = new List <string>();

            DefinedName nameRange;
            CellAddress cellAddress = default(CellAddress);
            Cell        formulaCell = null;

            foreach (DataColumn dc in dvData.Table.Columns)
            {
                if (buyColumnName)
                {
                    nameRange = worksheet.Names[dc.ColumnName];
                }
                else
                {
                    nameRange = worksheet.Names[string.IsNullOrEmpty(dc.Caption) ? dc.ColumnName : dc.Caption];
                }
                if (nameRange != null)
                {
                    cellAddress = CellAddress.Parse(nameRange.Address.StartColumn, nameRange.Address.StartRow);
                    dtExcel.Add(dc.ColumnName, cellAddress);
                    formulaCell = worksheet.Cells[cellAddress.RowIndex + 1, cellAddress.ColumnIndex];
                    if (formulaCell != null)
                    {
                        if (formulaCell.Formula.IsNotEmpty())
                        {
                            formulaDictionary.Add(dc.ColumnName);
                        }
                    }
                }
            }

            int formulaRowIndex = cellAddress.RowIndex + 1, addRowCount = 0;

            worksheet.InserRows(formulaRowIndex, dvData.Count - 1, formulaRowIndex);
            foreach (DataRowView dr in dvData)
            {
                foreach (KeyValuePair <string, CellAddress> key in dtExcel)
                {
                    if (!formulaDictionary.Contains(key.Key))
                    {
                        worksheet.Cells[formulaRowIndex + addRowCount, key.Value.ColumnIndex].Value = dr[key.Key];
                    }
                }
                addRowCount++;
            }

            package.Save(fillExcelStream);

            fillExcelStream.Seek(0, SeekOrigin.Begin);

            return(fillExcelStream);
        }
        /// <summary>
        /// 根据指定工作表上的ExcelTable名称,填充数据
        /// </summary>
        /// <param name="input">Excel模版流文件</param>
        /// <param name="dv">待填充数据</param>
        /// <param name="worksheetName">工作薄名称</param>
        /// <param name="tableName">ExcelTable名称</param>
        /// <returns></returns>
        public static byte[] FillExcelTable(Stream input, DataView dv, string worksheetName, string tableName)
        {
            dv.NullCheck("数据源不能为空!");
            input.NullCheck("数据模板为空!");
            WorkBook workbook = WorkBook.Load(input);

            WorkSheet worksheet = workbook.Sheets[worksheetName];
            worksheet.NullCheck(string.Format("不存在指定的{0}工作薄!", worksheetName));
            Table excelTable = worksheet.Tables[tableName];
            excelTable.NullCheck(string.Format("不存在指定的{0}Excel表格!", tableName));

            excelTable.Rows.Clear();
            excelTable.FillData(dv);

            return workbook.SaveAsBytes();
        }