python django的settings文件配置详解

from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent.parent

SECRET_KEY = 'django-insecure--&#alc$c$deb9qm5-%10lwv&#d*7l57!wbimj)go3=4a20g-fs'

# True ： 表示调试模式，一般用于开发模式中
# False： 表示非调试模式，一般用于正式上线部署
DEBUG = True

# 被允许访问的域名或IP
# * ：表示通配符，匹配所有的IP
ALLOWED_HOSTS = ['*']

# 定义应用
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

# 中间件
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',
]

# 根路由
ROOT_URLCONF = 'mall.urls'

# 模板
TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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目录
WSGI_APPLICATION = 'mall.wsgi.application'

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

# 密码验证
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',
    },
]

# 国际化
LANGUAGE_CODE = 'en-us'  # en-us英文，zh-hans中文
TIME_ZONE = 'UTC'  # 时区
USE_I18N = True
USE_TZ = True

# 静态文件（Css,Javascript,Images）
STATIC_URL = 'static/'

# 默认的主键字段类型
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'