C# 操作excel
//导出Excelprivate void ExportExcel(string fileName, System.Data.DataTable myDGV, string title){string saveFileName = "";System.Windows.Forms.SaveFileDialog saveDialog = new System.Windows.Forms.SaveFileDialog();saveDialog.DefaultExt = "xlsx";saveDialog.Filter = "Excel文件|*.xlsx";saveDialog.FileName = fileName;saveDialog.ShowDialog();saveFileName = saveDialog.FileName;if (saveFileName.IndexOf(":") < 0) return; //被点了取消Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();if (xlApp == null){System.Windows.MessageBox.Show("无法创建Excel对象，可能您的电脑未安装Excel");return;}Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks;Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];//取得sheet1//操作单元格Range rangeLecture = worksheet.Range[worksheet.Cells[1, 1], worksheet.Cells[1, myDGV.Columns.Count]];rangeLecture.Application.DisplayAlerts = false;rangeLecture.Merge(Missing.Value);rangeLecture.Application.DisplayAlerts = true;worksheet.Cells[1, 1] = title;//写入标题for (int i = 0; i < myDGV.Columns.Count; i++){worksheet.Cells[2, i + 1] = myDGV.Columns[i].ColumnName;}//写入数值for (int r = 0; r < myDGV.Rows.Count; r++){for (int i = 0; i < myDGV.Columns.Count; i++){worksheet.Cells[r + 3, i + 1] = myDGV.Rows[r][i].ToString();}System.Windows.Forms.Application.DoEvents();}worksheet.Columns.EntireColumn.AutoFit();//列宽自适应if (saveFileName != ""){try{workbook.Saved = true;workbook.SaveCopyAs(saveFileName);}catch (Exception ex){System.Windows.MessageBox.Show("导出文件时出错,文件可能正被打开！\n" + ex.Message);}}xlApp.Quit();GC.Collect();//强行销毁//System.Windows.Forms.MessageBox.Show("文件保存成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);}
操作单元格样式
worksheet.Cells[1, 1].Value2 = strTitle; //设置单元格内文本
worksheet.Cells[1, 1].Font.Name = “宋体”;//设置字体
worksheet.Cells[1, 1].Font.Size = 18;//字体大小
worksheet.Cells[1, 1].Font.Bold = true;//加粗显示
worksheet.Cells[1, 1].HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;//水平居中
worksheet.Cells[1, 1].VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;//垂直居中
worksheet.Cells[1, 1].Borders.LineStyle = Excel.XlLineStyle.xlContinuous;//设置边框
worksheet.Cells[1, 1].Borders.Weight = Excel.XlBorderWeight.xlMedium;//边框常规粗细
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