using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using NPOI.HSSF.UserModel; using NPOI.SS.Formula.Eval; using NPOI.SS.Formula.Functions; using NPOI.SS.UserModel; using NPOI.XSSF.UserModel; using NPOI.POIFS.FileSystem; using NPOI.HPSF; using System.IO; using NPOI.SS.Util; using System.Drawing; using NPOI.HSSF.Util; namespace NPOI { class Program7 { static void Main(string[] args) { //说明:设置数字格式 //1.创建EXCEL中的Workbook IWorkbook myworkbook = new XSSFWorkbook(); //2.创建Workbook中的Sheet ISheet mysheet = myworkbook.CreateSheet("sheet1"); mysheet.SetColumnWidth(0, 20 * 256); mysheet.SetColumnWidth(1, 20 * 256); //3.创建Row中的Cell并赋值 IRow row0 = mysheet.CreateRow(0); row0.CreateCell(0).SetCellValue(2013.143); row0.CreateCell(1).SetCellValue("转化为汉字大写"); IRow row1 = mysheet.CreateRow(1); row1.CreateCell(0).SetCellValue(123152013.143); row1.CreateCell(1).SetCellValue("改变小数精度"); IRow row2 = mysheet.CreateRow(2); row2.CreateCell(0).SetCellValue(123152013.143); row2.CreateCell(1).SetCellValue("分段添加,号"); IRow row3 = mysheet.CreateRow(3); row3.CreateCell(0).SetCellValue(123152013.143); row3.CreateCell(1).SetCellValue("科学计数法"); IRow row4 = mysheet.CreateRow(4); row4.CreateCell(0).SetCellValue(-123152013.143); row4.CreateCell(1).SetCellValue("正数与负数的区分(负数红色)"); IRow row5 = mysheet.CreateRow(5); row5.CreateCell(0).SetCellValue(123152013.77); row5.CreateCell(1).SetCellValue("整数部分+分数"); IRow row6 = mysheet.CreateRow(6); row6.CreateCell(0).SetCellValue(123152013.77); row6.CreateCell(1).SetCellValue("分数"); IRow row7 = mysheet.CreateRow(7); row7.CreateCell(0).SetCellValue(0.333); row7.CreateCell(1).SetCellValue("百分数"); //4.创建CellStyle与DataFormat并加载格式样式 IDataFormat dataformat = myworkbook.CreateDataFormat(); ICellStyle style0 = myworkbook.CreateCellStyle(); style0.DataFormat = dataformat.GetFormat("[DbNum2][$-804]General");//转化为汉字大写 ICellStyle style1 = myworkbook.CreateCellStyle(); style1.DataFormat = dataformat.GetFormat("0.0"); //改变小数精度【小数点后有几个0表示精确到小数点后几位】 ICellStyle style2 = myworkbook.CreateCellStyle(); style2.DataFormat = dataformat.GetFormat("#,##0.0");//分段添加,号 ICellStyle style3 = myworkbook.CreateCellStyle(); style3.DataFormat = dataformat.GetFormat("0.00E+00");//科学计数法 ICellStyle style4 = myworkbook.CreateCellStyle(); style4.DataFormat = dataformat.GetFormat("0.00;[Red]-0.00");//正数与负数的区分 ICellStyle style5 = myworkbook.CreateCellStyle(); style5.DataFormat = dataformat.GetFormat("# ??/??");//整数部分+分数 ICellStyle style6 = myworkbook.CreateCellStyle(); style6.DataFormat = dataformat.GetFormat("??/??");//分数 ICellStyle style7 = myworkbook.CreateCellStyle(); style7.DataFormat = dataformat.GetFormat("0.00%");//百分数【小数点后有几个0表示精确到显示小数点后几位】 //5.将CellStyle应用于具体单元格 row0.GetCell(0).CellStyle = style0; row1.GetCell(0).CellStyle = style1; row2.GetCell(0).CellStyle = style2; row3.GetCell(0).CellStyle = style3; row4.GetCell(0).CellStyle = style4; row5.GetCell(0).CellStyle = style5; row6.GetCell(0).CellStyle = style6; row7.GetCell(0).CellStyle = style7; //6.保存 FileStream file = new FileStream(@"E:\myworkbook7.xlsx", FileMode.Create); myworkbook.Write(file); file.Close(); } } }
运行后,效果如下图所示【演示了不同数字格式的设置】
转载:http://blog.csdn.net/xxs77ch/article/details/50237017