CORS 头缺少 ‘Access-Control-Allow-Origin‘解决办法

服务端

from flask import Flask, request,make_response,jsonify
@app.route("/api/page1/run/list", methods=["GET"])
def check():
    res = make_response(jsonify({'code': 0, 'data': {'list':data}}))
    res.headers['Access-Control-Allow-Origin'] = '*'
    res.headers['Access-Control-Allow-Method'] = '*'
    res.headers['Access-Control-Allow-Headers'] = '*'
    return res