Django - Form 구성 요소 검증

from django import forms

class FM(forms.Form):

    #  form  name 
    username = forms.CharField()
    pwd = forms.CharField()
    email = forms.EmailField() #  


    pass

def fm(request):

    if request.method == 'GET':

        return render(request, 'cookie/fm.html')
    elif request.method == 'POST':

        #  
        #  
        #  ： 
        #  ： 
        obj = FM(request.POST)
        r1 = obj.is_valid() #  

        if r1:
            print (obj.cleaned_data)
        else:
            print (obj.errors)

        return redirect('/cookie/fm/')

email
Enter a valid email address.

{"username": [{"message": "This field is required.", "code": "required"}], "pwd": [{"message": "This field is required.", "code": "required"}], "email": [{"message": "This field is required.", "code": "required"}]}

from django import forms

class FM(forms.Form):

    #  form  name 
    username = forms.CharField(error_messages={'required':' '})
    pwd = forms.CharField(error_messages={'required':' '})
    email = forms.EmailField(error_messages={'required':' '}) #  

class FM(forms.Form):

    #  form  name 
    username = forms.CharField(error_messages={'required':' '})
    pwd = forms.CharField(
        error_messages={'required':' ', 'min_length':' 6 ', 'max_length':' 12 '},
        min_length=6,
        max_length=12,
    )
    email = forms.EmailField(error_messages={'required':' '}) #  


def fm(request):

    if request.method == 'GET':

        return render(request, 'cookie/fm.html')
    elif request.method == 'POST':

        #  
        #  
        #  ： 
        #  ： 
        obj = FM(request.POST)
        r1 = obj.is_valid() #  

        if r1:
            print (obj.cleaned_data)
        else:
            return render(request, 'cookie/fm.html', {'obj':obj})

        return redirect('/cookie/fm/')

    

        {% csrf_token %}
        
 {{ obj.errors.username.0 | add:' -- error --' }} 
        
 {{ obj.errors.pwd.0 }} 
        
 {{ obj.errors.email.0 }}