drf 配置跨域不生效也不报错

Question

"""
Django settings for drf project.

Generated by 'django-admin startproject' using Django 3.2.12.

For more information on this file, see
https://docs.djangoproject.com/en/3.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.2/ref/settings/
"""
import os
from pathlib import Path

# Build paths inside the project like this: BASE_DIR / 'subdir'.


BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-lrogsq)9pqt1y@1j#dixk2=9^@k_0f6j$feaw6+mv%ih=nz6yt'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

# ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'corsheaders',  # 后端解决跨域问题
    'rest_framework',  # 注册drf 标记
    'apps.students',  # 添加app
    'apps.users'
]
CORS_ALLOW_ALL_ORIGINS = True
CORS_ALLOW_CREDENTIALS = True
MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    # 'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'drf.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, 'templates')]
        ,
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'drf.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases
#
# DATABASES = {
#     'default': {
#         'ENGINE': 'django.db.backends.sqlite3',
#         'NAME': BASE_DIR / 'db.sqlite3',
#     }
# }
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'drf',
        'USER': 'root',
        'PASSWORD': '123456',
        'HOST': 'xxxxx',
        'PORT': '3306',
        'OPTIONS': {'init_command': 'SET default_storage_engine=INNODB;'}
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/3.2/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.2/howto/static-files/

STATIC_URL = '/static/'

# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

REST_FRAMEWORK = {
    # 全局配置异常模块
    'EXCEPTION_HANDLER': 'utils.exception.custom_exception_handler',
    # 修改默认返回JSON的renderer的类
    'DEFAULT_RENDERER_CLASSES': (
        'utils.rendererresponse.customrenderer',
    ),
}
CORS_ORIGIN_WHITELIST= [
    "http://localhost:8080"

]

CORS_ALLOWED_ORIGINS = [
    "https://example.com",
    "https://sub.example.com",
    "http://localhost:8080",
    "http://127.0.0.1:9000",
]



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',
)

配置后前端仍然报错

Answer 1

允许通过的时本地端口8080 但是上面请求端口是8000 肯定会跨域 要不就是把允许链接先改为所有都通过暂时