1.添加引用:
using NPOI.HSSF.UserModel;
using NPOI.HSSF.Util;
using NPOI.SS.UserModel;
using NPOI.SS.Util;
2.操作xsl:
string fullPath = System.AppDomain.CurrentDomain.BaseDirectory+ DateTime.Today.ToString("yyyyMMdd") + ".xls";
using (FileStream fs = File.Create(fullPath))
{
ISheet sheet = workbook.GetSheetAt(0); //獲取sheet
//寫數據
sheet.CreateRow(1).CreateCell(0).SetCellValue("日期");
sheet.GetRow(1).CreateCell(1).SetCellValue(DateTime.Today.ToString("yyyyMMdd"));
//合併單元格
sheet.AddMergedRegion(new CellRangeAddress(1, 2, 0, 0));
//保存文件
workbook.Write(fs);
}