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개발일지/Django

Django - ModelForms 커스터마이징

by 개발에정착하고싶다 2022. 10. 1.

# 첫번째 파일

mysite > cars > models.py

from django.db import models
# 카멜 라이팅 방식에 유의 및 단어에 유의
# 최소허용값, 최대허용값
from django.core.validators import MinValueValidator, MaxValueValidator

# Create your models here.
class Review(models.Model):
    first_name = models.CharField(max_length=30)
    last_name = models.CharField(max_length=30)
    stars = models.IntegerField(validators = [MinValueValidator(1), MaxValueValidator(5)])

# 두번째 파일

mysite > cars > templates > cars > rental_review.html

{% load static %}

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- CSS only -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-iYQeCzEYFbKjA/T2uDLTpkwGzCiq6soy8tYaI1GyVh/UjpbCx/TYkiZhlZB6+fzT" crossorigin="anonymous">
    <!-- JavaScript Bundle with Popper -->
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-u1OknCvxWvY5kfmNBILK2hRnQC3Pr17a+RTT6rIHI7NnikvbZlHgTPOOmMi466C8" crossorigin="anonymous"></script>

    <link rel="stylesheet" href="{% static 'cars/custom.css' %}"
    <title>rental_review.html</title>
</head>
<body>
    <h1>Rental review form</h1>
    <div class='container'>
        <form method="POST">
            {% csrf_token %}
            {% comment %}
            as_p : p태그로 감싼 효과다. 
            as_table: table효과다
            as_ul : ul태그로 감싼 효과다
            {% endcomment %}
            {% comment %} {{form.as_p}} {% endcomment %}
            {% for field in form %}
            <div class='mb-3'>
                {{field.label_tag}}
            </div>
            {{field}}
            {% comment %} 적합한 에러 메세지를 출력해준다. {% endcomment %}
            {{field.errors}}
            {% endfor %}
            
            <input type='submit'>
        </form>
    </div>
    
</body>
</html>

# 세번째 파일

mysite > cars > admin.py

from django.contrib import admin
from .models import Review

# Register your models here.
admin.site.register(Review)

# 네번째 파일

mysite > cars > views.py

from django.shortcuts import render, redirect
from django.urls import reverse
from .forms import ReviewForm

# Create your views here.
def rental_review(request):

    # POST REQUEST --> form contents --> thank_you
    if request.method == 'POST':
        form = ReviewForm(request.POST)

        if form.is_valid():
            form.save()
            return redirect(reverse('cars:thank_you'))

    # ELSE, RENDER Form
    else:
        form = ReviewForm()

    return render(request, 'cars/rental_review.html', context = {'form':form})

def thank_you(request):
    return render(request, 'cars/thank_you.html')

# 다섯번째 파일

mysite > cars > forms.py

from django import forms
from .models import Review
from django.forms import ModelForm

'''
class ReviewForm(forms.Form):
    first_name = forms.CharField(label = 'First Name', max_length=100)
    last_name = forms.CharField(label = 'Last Name', max_length=100)
    email = forms.EmailField(label = 'Email')
    review = forms.CharField(label = 'Please write your review here', 
                            widget=forms.Textarea(attrs={
                                                    'class': 'myform',
                                                    'rows':'2',
                                                    'cols':'2'}))
'''

class ReviewForm(ModelForm):
    class Meta:
        model = Review
        fields = '__all__' # pass in all model fields as form fields

        labels = {
            'first_name': 'YOUR FIRST NAME',
            'last_name': 'Last Name',
            'stars':'Rating'
        }

        error_messages = {
            'stars': {
                'min_value':'min value is 1',
                'max_value': 'max value is 5'
            }
        }

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