使用EPPlus C#在单个excel单元格中指定不同的样式

using OfficeOpenXml;

// 创建一个新的Excel文件
ExcelPackage package = new ExcelPackage();

ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("Sheet1");
ExcelRange cell = worksheet.Cells["A1"];

cell.Style.Font.Color.SetColor(System.Drawing.Color.Red);
cell.Style.Fill.PatternType = OfficeOpenXml.Style.ExcelFillStyle.Solid;
cell.Style.Fill.BackgroundColor.SetColor(System.Drawing.Color.Yellow);
cell.Style.Border.BorderAround(OfficeOpenXml.Style.ExcelBorderStyle.Thick);

package.SaveAs(new System.IO.FileInfo("output.xlsx"));