django - 请求的资源 Django 和 ReactJS 上不存在“Access-Control-Allow-Origin”标头

Question

目前我有Django 1.98作为后端和 React 作为前端。

我收到此错误：

从源“ http://localhost:3000 ”访问“ https://mywebsite:8000/uploads/vtt/ ”的 XMLHttpRequest已被 CORS 策略阻止：不存在“Access-Control-Allow-Origin”标头请求的资源。

我在我的虚拟环境上安装了django-cors-headers==2.4.0

这是我的settings.py文件：

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'uploads.core',
    'corsheaders',
]

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

CORS_ORIGIN_ALLOW_ALL = True

CSRF_TRUSTED_ORIGINS = ['http://127.0.0.1:3000','http://localhost:3000','http://localhost:8000','https://mywebsite:8000','https://myapp.firebaseapp.com','https://mywebsite:8088']
CSRF_COOKIE_NAME = "csrftoken"
CSRF_HEADER_NAME = [
    'HTTP_X_CSRFTOKEN'
]

SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
SECURE_SSL_REDIRECT = True
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True

CORS_ORIGIN_WHITELIST = ['http://localhost:3000','https://mywebsite:8088']

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

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

知道如何解决吗？谢谢。

标签： djangoreactjscorsdjango-cors-headers

Answer 1

确保https://mywebsite:8000/uploads/vtt/是正确的 URL。
就我而言，我使用了错误的端口，因为我的 API 使用了不同的端口。
我替换8000为52130.