Django配置文件解释

"""
Django settings for first project.

Generated by 'django-admin startproject' using Django 1.11.11.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/ref/settings/
"""

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '#69g3d*dr=t@=2t(#oh)hq7josgdlxbi*%xk#zxle63dx6f+7f'

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

# 放一些指定链接的ip，*代表所有
ALLOWED_HOSTS = ["*"]

# Application definition

# 我这个项目有哪些app
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'app.apps.AppConfig', # 告诉Django我创建了一个app
]

# 中间件相关配置
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 = 'first.urls'

TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(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 = 'first.wsgi.application'

# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases

DATABASES = {
'default': {
# 'ENGINE': 'django.db.backends.sqlite3', # 链接数据库的类型
# 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), # 链接数据库的名字
'ENGINE': 'django.db.backends.mysql', # 链接数据库的类型
'NAME': 'db', # 链接数据库的名字
'HOST': '127.0.0.1', # 数据库主机地址
'PORT': 3306, # 数据库端口
'USER': 'root', # 数据库用户名
'PASSWORD': '123456', # 数据库密码
}
}

# Password validation
# https://docs.djangoproject.com/en/1.11/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',
},
]

# Internationalization
# https://docs.djangoproject.com/en/1.11/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.11/howto/static-files/

# 这个static就代表了下面的路径 （寻找的时候就是去static下面的路径中挨个找）
STATIC_URL = '/static/' # 起别名， HTML中找静态文件都要以这个别名开始 (找到别名后就去这个别名的配置比文件中找对应的文件)

# 这个常量是固定格式
STATICFILES_DIRS = [
os.path.join(BASE_DIR, 'static'),
]