1 private void BtnExportExcelClick(object sender, EventArgs e) 2 { 3 var fromFileName = "D:/Excel/Book2.xls"; 4 var toFileName = "D:/Excel/Book3.xls"; 5 6 var saveFileDialog = new SaveFileDialog(); 7 8 saveFileDialog.Title = "保存"; 9 saveFileDialog.Filter = "Excel文档(*.xls)|*.xlsx"; 10 saveFileDialog.RestoreDirectory = true; 11 if (saveFileDialog.ShowDialog() == DialogResult.OK) 12 { 13 toFileName = saveFileDialog.FileName; 14 } 15 16 17 18 Microsoft.Office.Interop.Excel._Application appExcel = new ApplicationClass(); 19 20 Microsoft.Office.Interop.Excel.Workbook workbook = appExcel.Workbooks.Open(fromFileName, 21 Type.Missing, Type.Missing, Type.Missing, Type.Missing, 22 Type.Missing, Type.Missing, Type.Missing, Type.Missing, 23 Type.Missing, Type.Missing, Type.Missing, Type.Missing, 24 Type.Missing, Type.Missing);//打开Excel 25 26 //Workbook workbook = appExcel.Workbooks.Add(true); 27 28 Worksheet xlsheet = (Worksheet)workbook.Worksheets[1]; 29 30 Range range = xlsheet.get_Range(appExcel.Cells[1, 1], appExcel.Cells[1, 1]); 31 32 range.MergeCells = true; 33 appExcel.ActiveCell.FormulaR1C1 = "这是Excel的标题"; 34 appExcel.ActiveCell.Font.Size = 20; 35 appExcel.ActiveCell.Font.Bold = true; 36 appExcel.ActiveCell.HorizontalAlignment = Microsoft.Office.Interop.Excel.Constants.xlCenter; 37 38 //开始写入每列的标题 39 xlsheet.Cells[1,1] = "这是列的标题"; 40 41 //开始写入每列的数据 42 for (int i = 1; i < 30; i++) 43 { 44 xlsheet.Cells[i + 2, 1] = "这是列A"+i; 45 xlsheet.Cells[i + 2, 2] = "这是列B" + i; 46 xlsheet.Cells[i + 2, 3] = "这是列C" + i; 47 xlsheet.Cells[i + 2, 4] = "这是列D" + i; 48 xlsheet.Cells[i + 2, 5] = "这是列E" + i; 49 xlsheet.Cells[i + 2, 6] = "这是列F" + i; 50 xlsheet.Cells[i + 2, 7] = "这是列G" + i; 51 xlsheet.Cells.ColumnWidth = 30; 52 } 53 54 55 workbook.Saved = true; 56 workbook.SaveCopyAs(toFileName); 57 58 workbook.Close(); 59 60 appExcel.Quit(); 61 GC.Collect(); 62 63 MessageBox.Show("[XXXXXXX]报表导出成功！","乐家购物",MessageBoxButtons.OK,MessageBoxIcon.Information); 64 65 }