一，默认的错误路径：
二,代码：
from flask import Flask,jsonifyapp = Flask(__name__)@app.route('/')
def hello_world():return 'Hello, World!'@app.errorhandler(404)
def page_not_found(error):data = {"status": "failed","code": 500,"msg": "错误的路径"}return jsonify(data), 404if __name__ == '__main__':app.run(debug=True)三,测试结果：
