old_contents: from django import forms
  from .models import Article, BlogComment, Suggest
  
  
  class BlogCommentForm(forms.ModelForm):
      class Meta:
          model = BlogComment
          fields = ['user_name', 'body']
          widgets = {
              'user_name': forms.TextInput(attrs={
                  'class': 'form-control',
                  'placeholder': '请输入昵称',
                  'aria-describedby': 'sizing-addon1',
              }),
              'body': forms.Textarea(attrs={'placeholder': '让我来说两句',
                                            'class': 'form-control',
                                            'rows': 4,
                                            }),
          }
  
  
  class SuggestForm(forms.ModelForm):
      class Meta:
          model = Suggest
          fields = ['suggest']
          widgets = {
              'suggest': forms.Textarea(attrs={
                  'placeholder': '让我来说两句',
                  'class': 'form-control',
                  'rows': 4,
                  'cols': 80,
                  })
          }
  
  
  
  
new_contents: from django import forms
  from .models import Article, BlogComment, Suggest
  
  
  class BlogCommentForm(forms.ModelForm):
      class Meta:
          model = BlogComment
          fields = ['user_name', 'body']
          widgets = {
              'user_name': forms.TextInput(attrs={
                  'class': 'form-control',
                  'placeholder': '请输入昵称',
                  'aria-describedby': 'sizing-addon1',
              }),
              'body': forms.Textarea(attrs={'placeholder': '让我来说两句',
                                            'class': 'form-control',
                                            'rows': 4,
                                            }),
          }
  
  
  class SuggestForm(forms.ModelForm):
      class Meta:
          model = Suggest
          fields = ['suggest']
          widgets = {
              'suggest': forms.Textarea(attrs={
                  'placeholder': '写下你的意见吧~',
                  'class': 'form-control',
                  'rows': 4,
                  'cols': 80,
                  })
          }
  
  
  
  
subject: add suggestion function