解决poi 写入大数据量到excel2007，总是报错缓存溢出

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.hslf.model.Sheet;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		FileOutputStream out = null;
		try {
			out = new FileOutputStream(new File("D://result.xlsx"));
			Workbook writeWB = new SXSSFWorkbook(500);  
	        org.apache.poi.ss.usermodel.Sheet writeSheet = writeWB.createSheet("1");
	        for (int i=0; i<1000000;i++) {  
	            Row writeRow = writeSheet.createRow(i);  
	            for (int j = 0; j < 10; j++) {  
	                writeRow.createCell(j).setCellValue("中国");  
	            }  
	        }  
	        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();
		}  
	}
}