EPPLUS导出Excel设置单元格格式

worksheet.Cells[1, 1].Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
worksheet.Cells[1, 1].Style.VerticalAlignment = ExcelVerticalAlignment.Center;
worksheet.Cells[1, 1].Style.Font.Name = "微软雅黑";
worksheet.Cells[1, 1].Style.Font.Size = 12;
worksheet.Cells[1, 1].Style.Border.BorderAround(ExcelBorderStyle.Thin, Color.FromArgb(191, 191, 191));