如何解决http请求跨域问题？Mac下file://也没反应

[jkfaner]

Access to script at 'http://localhost:5000/xxxxx' (redirected from 'https://www.xxxx.com/xxx/xx/xx.') from origin 'https://www.xxxx.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

[jkfaner]

已解决

[13632225945]

请问是怎么解决的

[suyunxue]

怎么解决的呢，我也遇到跨域问题了

[shuaiqileilei]

Access to script at 'http://localhost:5000/xxxxx' (redirected from 'https://www.xxxx.com/xxx/xx/xx.') from origin 'https://www.xxxx.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

同问怎么解决的

[jkfaner]

Access to script at 'http://localhost:5000/xxxxx' (redirected from 'https://www.xxxx.com/xxx/xx/xx.') from origin 'https://www.xxxx.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

同问怎么解决的

使用python的Flask搭建web服务时：

import webbrowser
from flask import Flask
from flask_cors import CORS

app = Flask(__name__)
CORS(app) # 关键

@app.route("/test")
def test():
    return app.send_static_file("test.js")

if __name__ == "__main__":
    webbrowser.open("http://127.0.0.1:5000")
    app.run()