poi操作excel设置数据格式，金额数据格式

import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;

import java.io.FileOutputStream;

/**
 * @ClassName 类名：ExcelDemo10
 * @Author作者: hzh
 * @Date时间：2018/12/4 16:15
 * 设置数据格式
 **/
public class ExcelDemo10 {

    public static void main(String[] args) throws Exception{
        //获得一个工作薄
        Workbook wb = new HSSFWorkbook();
        //第一个sheet
        Sheet sheet = wb.createSheet("第一个sheet");

        CellStyle cellStyle;
        DataFormat format = wb.createDataFormat();
        Row row;
        Cell cell;
        short rowNum = 0;
        short colNum = 0;
        row = sheet.createRow(rowNum++);
        cell = row.createCell(colNum);
        cell.setCellValue(111111111111.25);

        cellStyle = wb.createCellStyle();
        cellStyle.setDataFormat(format.getFormat("0.0")); //设置数据格式
        cell.setCellStyle(cellStyle);

        row = sheet.createRow(rowNum++);
        cell = row.createCell(colNum);
        cell.setCellValue(111111111111.25);
        cellStyle = wb.createCellStyle();
        cellStyle.setDataFormat(format.getFormat("#,##0.00")); //设置数据格式
        cell.setCellStyle(cellStyle);

        FileOutputStream fileOutputStream = new FileOutputStream("D://file//数据格式.xls");
        wb.write(fileOutputStream);
        wb.close();
    }
}