跨域同源问题

https://github.com/ottoyiu/django-cors-headers/

安装django-cors-headers模块

在settings.py中配置
# 注册app
INSTALLED_APPS = [
...
'corsheaders'
]
# 添加中间件
MIDDLEWARE = [
...
'corsheaders.middleware.CorsMiddleware'
]

# 允许跨域源
CORS_ORIGIN_ALLOW_ALL = True