CommonRequest.getCategories(map, new IDataCallBack<CategoryList>() {
    @Override
    public void onSuccess(CategoryList categoryList) {
        List<Category> categories = categoryList.getCategories();
        if (categories != null) {
            int size = categories.size();
            Log.d(TAG, "size = " + size);
            for (Category category :
                    categories) {
                Log.d(TAG, category.getCategoryName());
            }
        }

    }

    @Override
    public void onError(int i, String s) {
        Log.d(TAG, "code "+i+" errog msg = "+s);//运行执行了这句话
    }
});