DjangoBlog/forms.py

from django import forms
from django.forms import ModelForm

from .models import Comment

#zr 评论表单类
class CommentForm(ModelForm):
    #zr 父评论ID字段，隐藏输入且非必需
    parent_comment_id = forms.IntegerField(
        widget=forms.HiddenInput, required=False)

    class Meta:
        #zr 指定关联的模型
        model = Comment
        #zr 指定表单包含的字段
        fields = ['body']