1.下载所需要的插件：
pip install django-cors-headers
2.配置setting里的配置
INSTALLED_APPS = (
...
'corsheaders',
...
)
#注意一定要放到下面哪个middleware上面，放到最上面也可以
MIDDLEWARE = [ # Or MIDDLEWARE_CLASSES on Django < 1.10
...
'corsheaders.middleware.CorsMiddleware',
'django.middleware.common.CommonMiddleware',
...
]
3.再在setting中配置：
CORS_ORIGIN_ALLOW_ALL = True
CORS_ALLOW_CREDENTIALS = True
CORS_ORIGIN_WHITELIST = (
'*'
)