flask demo

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from flask import Flask, request from flask_cors import CORS   app = Flask(__name__) CORS(app)   @app.route('/') def index():     return '欢迎使用 Flask Demo 应用！'   @app.route('/hello', methods=['GET', 'POST']) def hello():     if request.method == 'GET':         name = request.args.get('name', '匿名用户')     elif request.method == 'POST':         name = request.json.get('name', '匿名用户')     return f'你好，{name}！欢迎来到 Flask Demo 应用！'   if __name__ == '__main__':     app.run(debug=True, port=8080)

　　在py文件里运行