@Override
    public List<DisasterStatisticsVO> getDisasterData() {
		List<DisasterStatisticsVO> statisticDataList=null;
		String s = HttpUtil.get(DISASTER_DATA_URL);
		ObjectMapper mapper = new ObjectMapper();
		try {
			DisResponse disResponse = mapper.readValue(s, DisResponse.class);
			if ("200".equals(disResponse.getCode())) {
				// 现在你可以访问response对象中的数据了
				 statisticDataList = disResponse.getData();
			}
			} catch(IOException e){
				e.printStackTrace();
			}

		return statisticDataList;
    }