第33课 python中用Django搭建web案例

以下是一个完整的 Django 项目案例，实现了一个简单的博客平台：

项目结构

django-blog-platform/
├── manage.py
├── blog_platform/
│   ├── __init__.py
│   ├── settings.py
│   ├── urls.py
│   ├── wsgi.py
│   └── asgi.py
├── blog/
│   ├── __init__.py
│   ├── admin.py
│   ├── apps.py
│   ├── migrations/
│   │   ├── __init__.py
│   │   └── 0001_initial.py
│   ├── models.py
│   ├── tests.py
│   ├── views.py
│   └── urls.py
├── templates/
│   ├── base.html
│   ├── index.html
│   ├── post_detail.html
│   └── post_form.html
└── static/
    └── css/
        └── style.css

代码说明

blog_platform/settings.py

这是 Django 项目的配置文件，定义了项目的各种设置.

# Generated by Django 3.2.15 on 2024-01-07 12:00

"""
Django settings for blog_platform project.

Generated by 'django-admin startproject' using Django 3.2.15.
For more information on this file, see
https://docs.djangoproject.com/en/3.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.2/ref/settings/
"""

from pathlib import Path
import os

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-1234567890'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'blog',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'blog_platform.urls'

TEMPLATES = [
    {
   
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates'],
        'APP_DIRS': True,
        'OPTIONS': {
   
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'blog_platform.wsgi.application'

# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

DATABASES = {
   
    'default': {
   
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

# Password validation
# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
   
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
   
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
   
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
   
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator'