Django项目中的默认文件都有什么用

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manager.py：

是django用于管理本项目的命令行工具，之后进行站点运行，数据库自动生成等都是通过本文件完成。

djangoStudy/__init__.py：

告诉python该目录是一个python包，暂无内容，后期一些工具的初始化可能会用到。

djangoStudy/setting.py：

django项目的配置文件，默认状态其中定义了本项目引用的组件，项目名，数据库，静态资源等。

主要配置项：

from pathlib import Path

# 项目根目录
BASE_DIR = Path(__file__).resolve().parent.parent

# 项目的密钥，用作加密解密
SECRET_KEY = "django-insecure-_z)kge+g80*a54n9p2v3dt6)7@31oc5u+^1azzsczqc@d^^-jp"

# 是否使用调试模式，True为开启，一般用于开发过程中；False为关闭，一般用于上线部署
DEBUG = True

# 被允许的域名或IP
# * 代通配，即允许所有域名或IP访问项目
ALLOWED_HOSTS = ["*"]


# 定义项目中的应用
INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    # 定义自己的应用
    "user",
]

# 定义中间件
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 = "djangoStudy.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 = "djangoStudy.wsgi.application"


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

# 密码验证器
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" # 语言,zh-hans代表中文
TIME_ZONE = "UTC"
USE_I18N = True

USE_TZ = True

# 静态文件目录
STATIC_URL = "static/"

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