Flask启用CORS

1. 官方文档：Flask-CORS — Flask-Cors 3.0.10 documentation

2. 安装依赖

   pip install flask-cors

3. 代码示例

   from flask import Flask
   from flask_cors import CORS
   
   app = Flask(__name__)
   CORS(app)
   
   @app.route("/")
   def helloWorld():
       return "Hello, cross-origin-world!"