from django.db import models

class Trademark(models.Model):

name = models.CharField(max_length=255)

applicant = models.CharField(max_length=255)

application_date = models.DateField()

type = models.CharField(max_length=100)

image = models.ImageField(upload_to='trademarks/')

status = models.CharField(max_length=100, default='Pending')

application_number = models.CharField(max_length=100, unique=True)

def __str__(self):

return self.name

from django import forms

from .models import Trademark

class TrademarkForm(forms.ModelForm):

class Meta:

model = Trademark

fields = ['name', 'applicant', 'application_date', 'type', 'image', 'application_number']

widgets = {

'application_date': forms.DateInput(attrs={'type': 'date'}),

}

from django.shortcuts import render, redirect

from .forms import TrademarkForm

def apply_trademark(request):

if request.method == 'POST':

form = TrademarkForm(request.POST, request.FILES)

if form.is_valid():

form.save()

return redirect('success')

else:

form = TrademarkForm()

return render(request, 'apply.html', {'form': form})

<form method="post" enctype="multipart/form-data">

<div><label>商标名称</label>{{ form.name }}</div>

<div><label>申请人姓名</label>{{ form.applicant }}</div>

<div><label>申请日期</label>{{ form.application_date }}</div>

<div><label>申请类型</label>{{ form.type }}</div>

<div><label>商标图样</label>{{ form.image }}</div>

<div><label>受理号</label>{{ form.application_number }}</div>

<button type="submit">提交申请</button>

</form>

document.querySelector('form').addEventListener('submit', function(event) {

const name = document.getElementById('id_name').value.trim();

const applicant = document.getElementById('id_applicant').value.trim();

const date = document.getElementById('id_application_date').value;

const type = document.getElementById('id_type').value;

const number = document.getElementById('id_application_number').value;

if (!name || !applicant || !date || !type || !number) {

event.preventDefault();

alert('请填写所有必填字段！');

}

});

from rest_framework import viewsets

from .models import Trademark

from .serializers import TrademarkSerializer

class TrademarkViewSet(viewsets.ModelViewSet):

queryset = Trademark.objects.all()

serializer_class = TrademarkSerializer