NPOI 1.2.3教程 -9 格式化Format

using System;
using System.Text;
using System.IO;
using NPOI.HSSF.UserModel;
using NPOI.HPSF;
using NPOI.POIFS.FileSystem;
using NPOI.SS.UserModel;

namespace SetDateCellInXls
{
class Program
{
static void Main(string[] args)
{
InitializeWorkbook();

Sheet sheet = hssfworkbook.CreateSheet("new sheet");
// Create a row and put some cells in it. Rows are 0 based.
Row row = sheet.CreateRow(0);

// Create a cell and put a date value in it.  The first cell is not styled as a date.
Cell cell = row.CreateCell(0);
cell.SetCellValue(DateTime.Now);

// we style the second cell as a date (and time).  It is important to Create a new cell style from the workbook
// otherwise you can end up modifying the built in style and effecting not only this cell but other cells.
CellStyle cellStyle = hssfworkbook.CreateCellStyle();
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("m/d/yy h:mm");
cell.CellStyle=cellStyle;

//set chinese date format
Cell cell2 = row.CreateCell(1);
cell2.SetCellValue(new DateTime(2008, 5, 5));
CellStyle cellStyle2 = hssfworkbook.CreateCellStyle();
DataFormat format = hssfworkbook.CreateDataFormat();
cellStyle2.DataFormat = format.GetFormat("yyyy年m月d日");
cell2.CellStyle = cellStyle2;

WriteToFile();
}

static HSSFWorkbook hssfworkbook;

static void WriteToFile()
{
//Write the stream data of workbook to the root directory
FileStream file = new FileStream(@"test.xls", FileMode.Create);
hssfworkbook.Write(file);
file.Close();
}

static void InitializeWorkbook()
{
hssfworkbook = new HSSFWorkbook();

//Create a entry of DocumentSummaryInformation
DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation();
dsi.Company = "NPOI Team";
hssfworkbook.DocumentSummaryInformation = dsi;

//Create a entry of SummaryInformation
SummaryInformation si = PropertySetFactory.CreateSummaryInformation();
si.Subject = "NPOI SDK Example";
hssfworkbook.SummaryInformation = si;
}
}
}

using System;
using System.Text;
using System.IO;
using NPOI.HSSF.UserModel;
using NPOI.HPSF;
using NPOI.POIFS.FileSystem;
using NPOI.SS.UserModel;

namespace NumberFormatInXls
{
class Program
{
static void Main(string[] args)
{
InitializeWorkbook();

Sheet sheet = hssfworkbook.CreateSheet("new sheet");
//increase the width of Column A
sheet.SetColumnWidth(0, 5000);
//create the format instance
DataFormat format = hssfworkbook.CreateDataFormat();

// Create a row and put some cells in it. Rows are 0 based.
Cell cell = sheet.CreateRow(0).CreateCell(0);
//set value for the cell
cell.SetCellValue(1.2);
//number format with 2 digits after the decimal point - "1.20"
CellStyle cellStyle = hssfworkbook.CreateCellStyle();
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00");
cell.CellStyle = cellStyle;

//RMB currency format with comma    -   "¥20,000"
Cell cell2 = sheet.CreateRow(1).CreateCell(0);
cell2.SetCellValue(20000);
CellStyle cellStyle2 = hssfworkbook.CreateCellStyle();
cellStyle2.DataFormat = format.GetFormat("¥#,##0");
cell2.CellStyle = cellStyle2;

//scentific number format   -   "3.15E+00"
Cell cell3 = sheet.CreateRow(2).CreateCell(0);
cell3.SetCellValue(3.151234);
CellStyle cellStyle3 = hssfworkbook.CreateCellStyle();
cellStyle3.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00E+00");
cell3.CellStyle = cellStyle3;

//percent format, 2 digits after the decimal point    -  "99.33%"
Cell cell4 = sheet.CreateRow(3).CreateCell(0);
cell4.SetCellValue(0.99333);
CellStyle cellStyle4 = hssfworkbook.CreateCellStyle();
cellStyle4.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00%");
cell4.CellStyle = cellStyle4;

//phone number format - "021-65881234"
Cell cell5 = sheet.CreateRow(4).CreateCell(0);
cell5.SetCellValue( 02165881234);
CellStyle cellStyle5 = hssfworkbook.CreateCellStyle();
cellStyle5.DataFormat = format.GetFormat("000-00000000");
cell5.CellStyle = cellStyle5;

//Chinese capitalized character number - 壹贰叁 元
Cell cell6 = sheet.CreateRow(5).CreateCell(0);
cell6.SetCellValue(123);
CellStyle cellStyle6 = hssfworkbook.CreateCellStyle();
cellStyle6.DataFormat = format.GetFormat("[DbNum2][$-804]0 元");
cell6.CellStyle = cellStyle6;

//Chinese date string
Cell cell7 = sheet.CreateRow(6).CreateCell(0);
cell7.SetCellValue(new DateTime(2004,5,6));
CellStyle cellStyle7 = hssfworkbook.CreateCellStyle();
cellStyle7.DataFormat = format.GetFormat("yyyy年m月d日");
cell7.CellStyle = cellStyle7;

//Chinese date string
Cell cell8 = sheet.CreateRow(7).CreateCell(0);
cell8.SetCellValue(new DateTime(2005, 11, 6));
CellStyle cellStyle8 = hssfworkbook.CreateCellStyle();
cellStyle8.DataFormat = format.GetFormat("yyyy年m月d日");
cell8.CellStyle = cellStyle8;

WriteToFile();
}

static HSSFWorkbook hssfworkbook;

static void WriteToFile()
{
//Write the stream data of workbook to the root directory
FileStream file = new FileStream(@"test.xls", FileMode.Create);
hssfworkbook.Write(file);
file.Close();
}

static void InitializeWorkbook()
{
hssfworkbook = new HSSFWorkbook();

//create a entry of DocumentSummaryInformation
DocumentSummaryInformation dsi = PropertySetFactory.CreateDocumentSummaryInformation();
dsi.Company = "NPOI Team";
hssfworkbook.DocumentSummaryInformation = dsi;

//create a entry of SummaryInformation
SummaryInformation si = PropertySetFactory.CreateSummaryInformation();
si.Subject = "NPOI SDK Example";
hssfworkbook.SummaryInformation = si;
}
}
}