Flask implements CBV and resolves cross-domain problems

# coding: utf-8
from flask import Flask, views, jsonify, request
from flask_cors import CORS

app = Flask(__name__)
CORS(app, resources=r'/ *')

class OTCHuoBi(views.MethodView):

    def get(self):
        return jsonify([])

app.add_url_rule("/otc", view_func=OTCHuoBi.as_view(name="OTCHuoBi"), methods=['GET'])

if __name__ == '__main__':
    app.run("0.0.0.0", 6688, threaded=True)
    # app.run("0.0.0.0", 6688, threaded=True, processes=3)
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