def delete_article(id):
artitle = Article.get_or_404(id=id)
artitle.delete()
def update_article(id, **form):
article = Article.get_or_404(id=id)
article.update(**form)
return article
def get_article(id):
article = Article.get_or_404(id=id, msg='该文章不存在')
article.update(views=article.views + 1)
return article