导出直接输出流下载功能(带弹出框)

try

{

//根据系统时间得到文件名

String filename = String.valueOf(System.currentTimeMillis()).concat(".xls" );

// 设置下载时客户端Excel的名称

response.setContentType("application/vnd.ms-excel" );

response.setHeader( "Content-disposition", "attachment;filename="

+ filename);

OutputStream ouputStream = response.getOutputStream();

//HSSFWorkbook wb = new HSSFWorkbook();

wb.write(ouputStream);

ouputStream.flush();

ouputStream.close();

}

catch (Exception e)

{

e.printStackTrace();

}