JSON 转复杂对象

public  static Object copyProperties(JSONObject oriObj, Object desObj) {
        //1. 首先要拿到oriObj对象的所有存在值不为空的键-值，放入到集合当中
         Class desC = desObj.getClass();
         Field[] desFields=desC.getDeclaredFields();
        for (Map.Entry<String, Object> entry:oriObj.entrySet()){
            String fieldName  = entry.getKey();
            Object value  = entry.getValue();
            Class<?> type = value.getClass();//字段的类型

            String getMethodName="get"+fieldName.substring(0,1).toUpperCase()+fieldName.substring(1,fieldName.length());
            try {
                if(value!=null){
                    //此处需要进行比对desObj中是否存在有相同名称的key
                    for (Field desField:desFields) {
                        //如果被替换对象中值不为空， 则跳过
                        if(desField.getName().equals(fieldName)){
                            if( value instanceof JSONObject   ){
                                Method getMethod2 = desC.getMethod(getMethodName,null);
                                Object o =getMethod2.invoke(desObj);
                                copyProperties((JSONObject) value,  o );
                            } else {
                                String setMethodName = "set" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1, fieldName.length());
                                Method setMethod = null;
                                setMethod = desC.getMethod(setMethodName, desField.getType());
                                setMethod.invoke(desObj, value);
                            }
//                            Method getMethod2 = desC.getMethod(getMethodName,null);
//                            Object value2=getMethod2.invoke(o);//获取得到该属性的取值
//                            if(value2 != null ){
//                                continue;
//                            }
                            //2. 对desObj的键值进行赋值操作

                        }
                    }
                }
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            } catch (NoSuchMethodException e) {
                e.printStackTrace();
            }
        }
        return desObj;
    }