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# 导入Django表单相关模块
from django import forms
from django.forms import ModelForm # 导入模型表单类，用于快速生成与模型对应的表单
# 导入当前应用下的Comment模型，表单将基于该模型创建
from .models import Comment
# 定义评论表单类，继承自ModelForm（模型表单）
class CommentForm(ModelForm):
# 定义父评论ID字段，用于实现评论回复功能
# IntegerField：整数类型字段，存储父评论的ID
# widget=forms.HiddenInput：使用隐藏输入框，不在页面上显示但会随表单提交
# required=False：该字段为非必填，顶级评论（无父评论）不需要填写
parent_comment_id = forms.IntegerField(
widget=forms.HiddenInput, required=False)
# Meta类用于配置模型表单的元数据
class Meta:
model = Comment # 指定表单对应的模型为Comment
fields = ['body'] # 指定需要在表单中显示的模型字段，这里只包含评论内容字段'body'
