##現在の環境

python 3.7
Django 2.1.7
mysql

##基本setting

$django-admin startproject shop
- project start!
- shop = project name
shop/setting.py からのsetting
- LANGUAGE_CODE = 'ja-jp'
- TIME_ZONE = 'Asia/Tokyo'
$python manage.py startapp board
- app start!
- board = app name
shop/setting.py へapp登録
- INSTALLED_APPS = [
  'board', <-作ったapp name
  ......
  ]
shop/setting.py
- DATEBASEのsetting

DATABASES = {
    'default': {
        'ENGINE': 'mysql.connector.django',
        'NAME': '',       #DB Schema name
        'USER': '',       #DB user
        'PASSWORD': '',   #DB password
        'HOST': 'localhost',
        'PORT': '3306',
    }
}

$python manage.py createsuperuser
- admin siteで使うid/password を設定
- Passwordが易しすぎるのはNG!
$python manage.py runserver
- server testing

###掲示板 (Model 作業)

shop/urls.py でappのviewsとの繋ぎ

from shop import views
urlpatterns = [
url('admin/', admin.site.urls),
url('', views.index, name='index'),
]

/ url(初期画面)で接続したときにshopのviewsに書いているindex　methodを呼ぶ

board/views.py

from django.http import HttpResponse
# Create your views here.

def index(request):
   return HttpResponse('Welcome to my shop!')

viewsにindex　methodを追加
HttpResponse moduleをimport

Model - Template - Views

Model : board/models.py
- POST classを作ってformの項目setting

from django.db import models
from django.utils import timezone

class Post(models.Model):
    author = models.CharField(max_length=20)
    email = models.CharField(max_length=50)
    title = models.CharField(max_length=50)
    text = models.TextField()
    published_date = models.DataTimeField(
            default = timezone.now)

    def publish(self):
        self.published_date = timezone.now()
        self.save()

    def __str__(self):
        return self.title

$python manage.py makemigrations board
- DBへ反映できるようにmigration fileを用意
$python manage.py migrate board
- DBにtableが作られて内容がsaveされるようにする
adminからboardを管理できるように登録
- board/admin.py

from django.contrib import admin
from .models import Post

admin.site.register(Post)

App内 Urls ----- Views 作業

board/urls.py 作成
- /board/ に掲示板を表示するためのURLをsetting

from django.urls import path
from . import views

urlpatterns = [
    path('', views.post_list, name = 'post_list'),
]

board/views.py 作成
- 先のpost_listの定義をsetting

def post_list(request):
    return render(request, 'board/post_list.html', {})

template 作業
- board/template/board forlder作成(boardはApp name)
- board/template/board/post_list.html (作成するhtml)

<html>
  <p>Hi there!</p>
  <p>Here is post_list page</p>
</html>

$python manage.py runserver　でcheck!