djangoにおけるMVCアプリケーション実装例

from django.db import models
from datetime import datetime

class Model1(models.Model):

    field1 = models.CharField(max_length=200)

    field2 = models.IntegerField(default=0)

    field3 = models.DateTimeField(default=datetime.now)

    def __str__(self):
        return self.field1
 

sqlite> select field1, field3 from app1_model1;

field1            field3
----------------  -------------------
This is Object1.  2017-09-15 06:51:38
This is Object2.  2017-09-15 07:30:57
This is Object3.  2017-09-15 08:01:11
This is Object4.  2017-09-15 09:43:03

from django.shortcuts import render
from .models import Model1

def index(request):
    latest_object_list = Model1.objects.order_by('-field3')[:3]
    context = {'latest_object_list': latest_object_list}
    return render(request, 'app1/index.html', context)
 

Model1.objects.order_by('-field3')[:3]

context = {'latest_object_list': latest_object_list}

render(request, 'app1/index.html', context)

{% if latest_object_list %}
    <ul>
    {% for object in latest_object_list %}
        <li>
            {{ object.field1 }}
            <font color=#ff0000>
                {{ object.field3 }}
            </font>
        </li>
    {% endfor %}
    </ul>
{% else %}
    <p>No objects are available.</p>
{% endif %}