引用类库：using Aspose.Cells;

/// 
        /// 导出        /// 
        ///         ///         private void btnExport_Click(object sender, EventArgs e)        {            DataTable dtr = ds.Tables[0];            Export(dtr, "拣货信息表.xlsx", false);        }        /// 
         /// 导出Excel        /// 
        ///         ///         ///         public void Export(DataTable dataTable, string fileName, bool tipOpenfile = false)        {            if (fileName == null || dataTable == null) return;            if (File.Exists(fileName) && (MessageBox.Show("文件已存在，是否覆盖？", "提示", MessageBoxButtons.YesNo)                    == System.Windows.Forms.DialogResult.No)) return;            try            {                Workbook wb = new Workbook();                Worksheet ws = wb.Worksheets[0];                ws.Name = dataTable.TableName == null ? "Sheet1" : dataTable.TableName;                Cells cell = ws.Cells;                for (int i = 0; i < dataTable.Columns.Count; i++)                {                    cell[0, i].PutValue(dataTable.Columns[i].ColumnName);                    for (int j = 0; j