<dependency>
		<groupId>com.alibaba</groupId>
		<artifactId>fastjson</artifactId>
		<version>1.2.47</version>
	</dependency>

   /**
    * post请求解析Json格式
    * @param response JSON字符串
    * @return
    */
	public JsonRespone alipayAesDecrypt(String response) {
	
		   Map<String, String> openapiResult = null;
	       try{
	           openapiResult = JSON.parseObject(response,new TypeReference<Map<String, String>>() {}, Feature.OrderedField);
	       } catch (Exception e){
	           logger.error("参数解析失败："+e.getMessage());
	       }
		   String strJson = openapiResult.get("节点名称");
		   
		   return strJson 
	}
	

   /**
    * post请求解析Json格式
    * @param request 接口地址
    * @return
    */
	public static String postReceive(HttpServletRequest request)throws IOException {
		ByteArrayOutputStream inBuffer = new ByteArrayOutputStream();
		InputStream input = request.getInputStream();
		byte[] tmp = new byte[1024];
		int len = 0;
		while ((len = input.read(tmp)) > 0) {
			inBuffer.write(tmp, 0, len);
		}
		byte[] buffer = inBuffer.toByteArray();
		String requestJsonStr = new String(buffer, "UTF-8");
		return requestJsonStr;
	}