private void 导出excelToolStripMenuItem_Click(object sender, EventArgs e) { if (dgvData.RowCount > 0) { var saveFileDialog1 = new SaveFileDialog { Filter = @"Excel文件(*.xls,*.xlsx)|*.xls;*.xlsx", RestoreDirectory = true }; if (saveFileDialog1.ShowDialog() == DialogResult.OK) { ExportExcel(saveFileDialog1.FileName, dgvData, 2); } } else { MessageBox.Show(@"数据为空!!"); } } /// <summary> /// 导出Excel方法 /// </summary> /// <param name="fileName">导出路径</param> /// <param name="gridView">数据源</param> /// <param name="num">从第几列开始导</param> private void ExportExcel(string fileName, DataGridView gridView, int num) { if (fileName.IndexOf(":") < 0) return; //被点了取消 Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application(); if (xlApp == null) { MessageBox.Show(@"无法创建Excel对象,可能您的机子未安装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 int a = 1, b = 1; for (var i = 0; i < gridView.RowCount; i++) { if (i == 0) { for (var j = num; j < gridView.Columns.Count; j++) { worksheet.Cells[1, a] = gridView.Columns[j].HeaderText; a++; } } for (var j = num; j < gridView.Columns.Count; j++) { worksheet.Cells[i + 2, b] = gridView.Rows[i].Cells[j].Value; b++; } b = 1; System.Windows.Forms.Application.DoEvents(); } worksheet.Columns.EntireColumn.AutoFit();//列宽自适应 if (fileName != "") { try { workbook.Saved = true; workbook.SaveCopyAs(fileName); } catch (Exception ex) { MessageBox.Show(@"文件导出时出错,文件可能正被打开!" + ex.Message); } } xlApp.Quit(); GC.Collect();//强行销毁 MessageBox.Show(@"文件导出成功!!", @"提示", MessageBoxButtons.OK, MessageBoxIcon.Information); }
时间: 2024-10-10 19:38:20