提供部分代码

String sql="*****";

List list = commonDao.getAllRecord(sql);    GetProperties gp = new GetProperties("dictionary");    String spath = ServletActionContext.getServletContext().getRealPath("/")+ gp.getProp("uploadpath");    String name = "planbuycar"+ StrUtil.dateFormatstr(new Date(), "yyyyMMddHHmmss")+ ".csv";

   if (CsvPlanBuyCarFile(spath + name, list)) {     message = "导出成功";    } else {     message = "导出失败";    }

private static String userxlsinfo = "序号,用户ID,姓名,手机,留言信息,注册时间,";	public static boolean CsvPlanBuyCarFile(String path, List body) {		try {			File file = new File(path);			if (file.isFile()) {				file.mkdir();			}			FileOutputStream out = new FileOutputStream(file);			OutputStreamWriter osw = new OutputStreamWriter(out, "GB2312");			BufferedWriter bw = new BufferedWriter(osw);			// 创建表头			String sheader = userxlsinfo;			sheader += "\r\n";			bw.write(sheader);			if (body != null) {							for (int i = 0; i < body.size(); i++) {					CamPlanBuyCar buycar = (CamPlanBuyCar) body.get(i);										StringBuffer mess = new StringBuffer();					// 用户信息					mess.append((i + 1) + ",");					mess.append(buycar.getId() + ",");					mess.append(buycar.getName().trim() + ",");					mess.append(buycar.getPhone().trim() + ",");					mess.append(buycar.getMessage().trim() + ",");					mess.append(StrUtil.dateFormatstr(buycar.getDate(),"yyyy-MM-dd HH:mm:ss"));				    mess.append("\r\n");											System.out.println(i);					bw.write(mess.toString());				}			}			bw.close();			osw.close();			out.close();			return true;		} catch (FileNotFoundException e) {			e.printStackTrace();		} catch (UnsupportedEncodingException e) {			// TODO Auto-generated catch block			e.printStackTrace();		} catch (IOException e) {			// TODO Auto-generated catch block			e.printStackTrace();		}		return false;	}