NPOI设置Excel单元格字体、边框、对齐、背景色

代码：

ICellStyle cellStyle = workbook.CreateCellStyle();
cellStyle.BorderBottom = BorderStyle.Thin;
cellStyle.BorderLeft = BorderStyle.Thin;
cellStyle.BorderRight = BorderStyle.Thin;
cellStyle.BorderTop = BorderStyle.Thin;
cellStyle.VerticalAlignment = NPOI.SS.usermodel.VerticalAlignment.Center;
cellStyle.Alignment = NPOI.SS.usermodel.HorizontalAlignment.Center;

ICellStyle cellStyleTitle = workbook.CreateCellStyle();
cellStyleTitle.BorderBottom = BorderStyle.Thin;
cellStyleTitle.BorderLeft = BorderStyle.Thin;
cellStyleTitle.BorderRight = BorderStyle.Thin;
cellStyleTitle.BorderTop = BorderStyle.Thin;
cellStyleTitle.VerticalAlignment = NPOI.SS.usermodel.VerticalAlignment.Center;
cellStyleTitle.Alignment = NPOI.SS.usermodel.HorizontalAlignment.Center;
IFont font = workbook.CreateFont();
font.IsBold = false;
font.FontHeightInPoints = 12;
cellStyleTitle.SetFont(font);
hssfPalette palette = ((hssfWorkbook)workbook).GetCustomPalette();
palette.SetColorAtIndex((short)9,98,1)">185,1)">106);
var color = palette.FindColor(//下面两行设置单元格背景色
cellStyleTitle.FillPattern = FillPattern.solidForeground;
cellStyleTitle.FillForegroundColor = color.Indexed;

ICellStyle cellStyleTitle2 = workbook.CreateCellStyle();
cellStyleTitle2.ClonestyleFrom(cellStyleTitle);
font =14;
cellStyleTitle2.SetFont(font);

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