JSONObject to bean

eviceOperate deviceOperate = new DeviceOperate();deviceOperate.setServiceId("1111111");deviceOperate.setId(1);deviceOperate.setMac("2222222");Map<String,Object> map = new HashMap<String, Object>();map.put("param",deviceOperate);String ss =  JSONObject.fromObject(map).toString();Map<String,Object> map1= JSONObject.fromObject(ss);JSONObject jsonObject = (JSONObject) map1.get("param");DeviceOperate deviceOperate1 = (DeviceOperate)JSONObject.toBean(jsonObject,DeviceOperate.class);