Browser error reporting
Check the front end and check the error information as follows
Access to XMLHttpRequest at ‘ http://127.0.0.1:8000/categorys/ ‘ from origin ‘ http://localhost:8080 ‘ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource.
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Solve cross domain problems through the back end
Refer to the solution on GitHub
Search Django CORS headers to see
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1. Installing in a virtual environment
python -m pip install django-cors-headers
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2. Configure settings
INSTALLED_APPS = [
...,
"corsheaders",
...,
]
MIDDLEWARE = [
...,
"corsheaders.middleware.CorsMiddleware",
"django.middleware.common.CommonMiddleware",
...,
]
# CorsMiddleware should be prior to CommonMiddleware
CORS_ALLOW_ALL_ORIGINS=True
After restarting the project, the browser will no longer report cross-domain errors