java POi excel 写入大批量数据

直接贴代码：

package jp.co.misumi.mdm.batch.common.jobrunner;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class Demo16
{

    public static void main(String[] args) throws InvalidFormatException
    {
        FileOutputStream out = null;
        OPCPackage pkg;
        // TODO Auto-generated method stub

        XSSFWorkbook wbTemplate;
        try
        {
            pkg = OPCPackage.open(new File("F:/code/mdm-batch/target/classes/template/excel/TP.xlsx"));
            wbTemplate = new XSSFWorkbook(pkg);
            SXSSFWorkbook writeWB = new SXSSFWorkbook(wbTemplate, , true, true);
            SXSSFSheet writeSheet = writeWB.getSheet("ProductMST");
            // Workbook writeWB = new SXSSFWorkbook(500);
             //org.apache.poi.ss.usermodel.Sheet writeSheet = writeWB.createSheet("1");
            System.out.println(String.valueOf(new Date()));
            try
            {
                Thread.sleep();
            }
            catch (Exception e)
            {
                // TODO: handle exception
            }
            for (int i=; i<;i++) {
                 System.out.println(String.valueOf(i));
                 Row writeRow = writeSheet.createRow(i);
                 for (int j = ; j < ; j++) {
                     Cell cell = writeRow.createCell(j);
                     //cell.setCellValue("Hello");
                     cell.setCellValue(j+"Hello"+i);
                     cell.setCellValue(j+"Hello");
                    /* CellStyle cellStyle = cell.getCellStyle();
                     cellStyle.setBorderBottom(CellStyle.BORDER_THIN);
                     cellStyle.setBorderTop(CellStyle.BORDER_THIN);
                     cellStyle.setBorderLeft(CellStyle.BORDER_THIN);
                     cellStyle.setBorderRight(CellStyle.BORDER_THIN);
                     cell.setCellStyle(cellStyle);*/
                 }
             }
            System.out.println(String.valueOf(new Date()));
             File file = new File("F:/code/mdm-batch/target/classes/template/excel/6666666666666555.xlsx");
             out = new FileOutputStream(file);
             writeWB.write(out);
             out.flush();
             out.close();
             System.out.println("测试成功！");
        }
        catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}