【问题标题】:Django 'http://localhost:8000' has been blocked by CORS policyDjango 'http://localhost:8000' 已被 CORS 策略阻止
【发布时间】:2022-02-06 06:18:36
【问题描述】:

服务器出错(本地主机正常)

来自原点“http://localhost:8000”已被 CORS 策略阻止:请求的资源上不存在“Access-Control-Allow-Origin”标头。

我尝试了以下(关注此页面How can I enable CORS on Django REST Framework

pip install django-cors-headers

# Added at the top of MIDDLEWARE
MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.common.CommonMiddleware',

# Added after allowed hosts
CORS_ORIGIN_ALLOW_ALL=True
CORS_ALLOW_ALL_ORIGINS = True
CORS_ALLOW_CREDENTIALS = True

在下面的更改之后,我有

在浏览器开发者模式下可以看到错误VM87:5553 crbug/1173575, non-JS module files deprecated。

我该如何解决这个错误?

【问题讨论】:

  • 您是否在浏览器的“控制台”选项卡中收到 CORS 错误?如果是这样,它说明了什么。将错误消息添加到您的问题中。

标签: django django-rest-framework cors


【解决方案1】:

我的解决方案:

sudo vim /etc/nginx/sites-available/default
sudo service nginx restart

更改的文件

server{
    server_name www.api.site.ru api.site.ru;

    add_header 'Access-Control-Allow-Origin' '*' always;
    add_header 'Access-Control-Allow-Credentials' 'true' always;
    add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS' always;
    add_header 'Access-Control-Allow-Headers' 'Authorization,Content-Type,Accept,Origin,User-Agent,DNT,Cache-Control,X-Mx-ReqToken,Keep-Alive,X-Requested-With,If-Modified-Since,X-token' always;
    if ($request_method = 'OPTIONS') {
        return 204;
    }

    location / {
         proxy_pass http://127.0.0.1:8000;
         proxy_set_header Host $host;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-Proto $scheme;
         proxy_set_header X-Forwarded-Proto https;
         proxy_set_header X-Forwarded-Protocol  $scheme;

         proxy_headers_hash_max_size 512;
         proxy_headers_hash_bucket_size 128;
    }

    access_log /var/log/nginx/ar_access.log;
    error_log /var/log/nginx/ar_error.log;

    listen 80; # managed by Certbot

}

【讨论】:

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