nuget引入:
EPPlus.Core
FileInfo file = new FileInfo(@"d: est.xlsx"); using (ExcelPackage package = new ExcelPackage(file)) { // add a new worksheet to the empty workbook ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("Employee2"); //First add the headers worksheet.Cells[1, 1].Value = "ID"; worksheet.Cells[1, 2].Value = "Name"; worksheet.Cells[1, 3].Value = "Gender"; worksheet.Cells[1, 4].Value = "Salary (in $)"; //Add values worksheet.Cells["A2"].Value = 1000; worksheet.Cells["B2"].Value = "Jon"; worksheet.Cells["C2"].Value = "M"; worksheet.Cells["D2"].Value = 5000; worksheet.Cells["A3"].Value = 1001; worksheet.Cells["B3"].Value = "Graham"; worksheet.Cells["C3"].Value = "M"; worksheet.Cells["D3"].Value = 10000; worksheet.Cells["A4"].Value = 1002; worksheet.Cells["B4"].Value = "Jenny"; worksheet.Cells["C4"].Value = "F"; worksheet.Cells["D4"].Value = 5000; worksheet.InsertRow(1, 2);//在第一行前面插入2行 package.Save(); //Save the workbook. }