POI生成的excel的文件属性

import org.apache.poi.hpsf.CustomProperties;
import org.apache.poi.hpsf.DocumentSummaryInformation;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import java.io.FileOutputStream;
import java.io.OutputStream;

public class Test {

public static void main(String args[]) throws Exception {    OutputStream out = null;    //为文件添加用户名，ip，时间等信息    try {        HSSFWorkbook workbook = new HSSFWorkbook();        workbook.createInformationProperties();        SummaryInformation suminfoInformation = workbook.getSummaryInformation();        DocumentSummaryInformation info = workbook.getDocumentSummaryInformation();        //添加备注信息        suminfoInformation.setComments("beizhu");        suminfoInformation.setAuthor("zhangsan");        //添加自定义属性        CustomProperties customProperties = new CustomProperties();        customProperties.put("IP","172.193.444");        info.setCustomProperties(customProperties);        out = new FileOutputStream("F://2.xls");        workbook.write(out);    } catch (Exception e) {        e.printStackTrace();    }finally{        if (out!=null) {            out.close();        }    }}

}