POI创建excel中的FileUtils.openOutputStream()

package com.excel.test;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

public class PoiExcel {
public static void main(String[] args) {
String[] title={"id","name","sex"};
//创建一个Excel工作簿
HSSFWorkbook workbook=new HSSFWorkbook();
//创建一个工作表sheet
HSSFSheet sheet=workbook.createSheet();
//创建第一行
HSSFRow row=sheet.createRow(0);
HSSFCell cell=null;
//插入第一行数据id,name,sex
for (int i = 0; i < title.length; i++) {
cell=row.createCell(i);
cell.setCellValue(title[i]);

}
//追加数据
for (int i = 1; i < 10; i++) {
HSSFRow nextRow=sheet.createRow(i);
HSSFCell hssfCell=nextRow.createCell(0);
hssfCell.setCellValue("a"+i);
hssfCell=nextRow.createCell(1);
hssfCell.setCellValue("user"+i);
hssfCell=nextRow.createCell(2);
hssfCell.setCellValue("男"+i);
}
//创建一个文件
File file=new File("C:\\Users\\Administrator\\Desktop\\2.xls");
try {
file.createNewFile();
FileOutputStream fos=FileUtils.openOutputStream(file);
workbook.write(fos);
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}

}