pip install django-cors-headers

INSTALLED_APPS = [
  ...
  'corsheaders'，
  ...
 ] 

MIDDLEWARE_CLASSES = (
  ...
  'corsheaders.middleware.CorsMiddleware',
  'django.middleware.common.CommonMiddleware', # 注意顺序
  ...
)
#跨域增加忽略
CORS_ALLOW_CREDENTIALS = True
CORS_ORIGIN_ALLOW_ALL = True
CORS_ORIGIN_WHITELIST = (
  '*'
)

CORS_ALLOW_METHODS = (
  'DELETE',
  'GET',
  'OPTIONS',
  'PATCH',
  'POST',
  'PUT',
  'VIEW',
)

CORS_ALLOW_HEADERS = (
  'XMLHttpRequest',
  'X_FILENAME',
  'accept-encoding',
  'authorization',
  'content-type',
  'dnt',
  'origin',
  'user-agent',
  'x-csrftoken',
  'x-requested-with',
  'Pragma',
)

def myview(_request): 
response = HttpResponse(json.dumps({“key”: “value”, “key2”: “value”})) 
response[“Access-Control-Allow-Origin”] = “*” 
response[“Access-Control-Allow-Methods”] = “POST, GET, OPTIONS” 
response[“Access-Control-Max-Age”] = “1000” 
response[“Access-Control-Allow-Headers”] = “*” 
return response