Flask跨域访问

报错信息如下

has been blocked by CORS policy: No ‘Access-Control-Allow-Origin‘ header...

解决办法,首先执行以下命令

pip install -U flask-cors

然后增加以下代码

import flask
from flask_cors import CORS

server = flask.Flask(__name__)
# 修复跨域访问问题
CORS(server, resources=r'/*')