article.py 文件源码

def query_article_by_id(article_id=0, use_cache=True):
        """
        ????ID???????
        :param article_id: ??ID
        :param use_cache: ??????
        """
        key = CACHE_KEY_ID + str(article_id)
        if use_cache:
            cache_result = cache.get(key)
            if cache_result:
                return cache_result

        try:
            article = BlogArticle.objects.get(id=article_id)
            article = BlogArticle.format_article(article)
            cache.set(key, article, CACHE_TIME)
            return article
        except BlogArticle.DoesNotExist:
            return None