API跨域设置

安装django-cors-headers

pip install -i https://pypi.douban.com/simple django-cors-headers

将corsheaders添加到settings.py文件的INSTALLED_APPS中,尽量放在前面

INSTALLED_APPS = [
    'corsheaders', # 这行
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'drf_yasg'
]

添加中间件

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

.添加白名单

# CORS_ORIGIN_ALLOW_ALL为True,指定所有域名(ip)都可以访问后端接口,默认为False
CORS_ORIGIN_ALLOW_ALL = True

也可以通过白名单列表添加指定的ip或域名

# CORS_ORIGIN_WHITELIST指定能够访问后端接口的ip或域名列表
CORS_ORIGIN_WHITELIST = [
    'http://127.0.0.1:8080',
    'http://localhost:8080',
    'http://192.168.6.23:8080'
]
# CORS_ALLOW_CREDENTIALS允许跨域时携带Cookie,默认为False
CORS_ALLOW_CREDENTIALS = True

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