ADD file via upload

src/comments/urls.py

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+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.http import HttpResponseRedirect
+from django.shortcuts import get_object_or_404
+from django.views.generic import View
+
+from blog.models import Article
+from .models import Comment
+from .forms import CommentForm
+
+
+class CommentPostView(LoginRequiredMixin, View):
+    """
+    负责处理评论提交
+    """
+
+    def post(self, request, article_id):
+        # 获取目标文章
+        article = get_object_or_404(Article, pk=article_id)
+
+        form = CommentForm(request.POST)
+        if form.is_valid():
+            # 获取评论内容
+            body = form.cleaned_data['body'].strip()
+            parent_id = form.cleaned_data.get('parent_comment_id')
+
+            comment = Comment()
+            comment.article = article
+            comment.author = request.user
+            comment.body = body
+
+            # 判断是否是子评论（回复）
+            if parent_id:
+                try:
+                    parent_comment = Comment.objects.get(id=parent_id)
+                    comment.parent_comment = parent_comment
+                except Comment.DoesNotExist:
+                    pass
+
+            comment.save()
+
+        # 评论成功后返回文章页面
+        return HttpResponseRedirect(article.get_absolute_url())