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  • asp.net Npoi 使用

    HSSFWorkbook hssfworkbook = new HSSFWorkbook(); //增加 Excel
    NPOI.SS.UserModel.ISheet SheetName = hssfworkbook.CreateSheet(Dr_Subject["SubjectName"].ToString());//增加 Sheet
    NPOI.SS.UserModel.IRow SheetRows = SheetName.CreateRow(RowCount); //行
    NPOI.SS.UserModel.ICell cell = SheetRows.CreateCell(ColCount);//列
    cell.SetCellValue(Dt_Grade.Rows[i]["GradeName"].ToString() + "排班");//值
    NPOI.SS.Util.CellRangeAddress cellRangeAddress = new NPOI.SS.Util.CellRangeAddress(rowstart, rowend, colstart, colend);//合并单元格
    sheet.AddMergedRegion(cellRangeAddress);//合并单元格
    SheetRows.GetCell(ColCount).CellStyle = CellStyle() //设置样式

    private NPOI.SS.UserModel.ICellStyle CellStyle()
        {
            NPOI.SS.UserModel.ICellStyle style = hssfworkbook.CreateCellStyle();//单元格的样式
            NPOI.SS.UserModel.IFont font = hssfworkbook.CreateFont();//单元格的字体
    
            font.FontName = "<SPAN style='COLOR: #faebde'>'宋体'</SPAN>";
            font.FontHeightInPoints = 10;
            font.Boldweight = (short)NPOI.SS.UserModel.FontBoldWeight.BOLD;
    
            style.SetFont(font);//单元格的字体
    
            style.Alignment = NPOI.SS.UserModel.HorizontalAlignment.CENTER;//水平居中
            style.VerticalAlignment = NPOI.SS.UserModel.VerticalAlignment.CENTER;//垂直居中
    
            Color LevelOneColor = Color.FromArgb(255, 153, 0);
            style.FillPattern = NPOI.SS.UserModel.FillPatternType.SOLID_FOREGROUND;//填充
            style.FillForegroundColor = GetXLColour(hssfworkbook, LevelOneColor); //调用GetXLColour方法  
    
    
            //有边框
            style.BorderBottom = NPOI.SS.UserModel.CellBorderType.THIN;
            style.BorderLeft = NPOI.SS.UserModel.CellBorderType.THIN;
            style.BorderTop = NPOI.SS.UserModel.CellBorderType.THIN;
            style.BorderRight = NPOI.SS.UserModel.CellBorderType.THIN;
           SheetName.SetColumnWidth(Col, 16 * 256);
            return style;
    
        }
    


    防止重复添加行

      for (int StCount = 0; StCount < Dt_WHF.Rows.Count; StCount++)
        {
           
    
            if (SheetName.GetRow(Xh) == null)//没创建行情况
           {
               RowSt = SheetName.CreateRow(Xh); //
           }
           else
           {
               RowSt = SheetName.GetRow(Xh); //创建行的情况
              
           }
    
           Xh = Xh + 1;
           RowCount = RowCount + 1;
    
           StudentsXuHao = StCount+1;
    
           NPOI.SS.UserModel.ICell CellSt_Xuhao = RowSt.CreateCell(0);//这里创建添加列
           CellSt_Xuhao.SetCellValue(StudentsXuHao.ToString());//这里设置列值
    
           NPOI.SS.UserModel.ICell CellSt = RowSt.CreateCell(ClassCount + 1);//这里创建添加列
           CellSt.SetCellValue(Dt_WHF.Rows[StCount]["StName"].ToString());//这里设置列值
        
        }
    

      

     

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  • 原文地址:https://www.cnblogs.com/hjtdlx/p/4422239.html
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