python - 如何在 CreateView 中设置 ForeignKey？

Question

我有一个模型:

class Article(models.Model):
    text = models.CharField()
    author = models.ForeignKey(User)

如何编写创建新模型实例并将 author 外键设置为 request.user 的基于类的 View ？

更新:

解决方案移至单独的 answer下面。

Answer 1

我通过重写 form_valid 方法解决了这个问题。这是澄清事情的详细风格:

class CreateArticle(CreateView):
    model = Article

    def form_valid(self, form):
        article = form.save(commit=False)
        article.author = self.request.user
        #article.save()  # This is redundant, see comments.
        return super(CreateArticle, self).form_valid(form)

但我们可以缩短它(感谢 dowjones123)，这种情况是 mentioned in docs .:

class CreateArticle(CreateView):
    model = Article

    def form_valid(self, form):
        form.instance.author = self.request.user
        return super(CreateArticle, self).form_valid(form)