flask-自定义json

拼搏现实的明天。 2023-06-03 02:44 24阅读 0赞

### 自定义json ###

![1552472-20190820193731622-1580279574.png][]

from flask import Flask from flask_restful import Resource, Api from flask import make_response, current_app from flask_restful.utils import PY3 from json import dumps app = Flask(__name__) api = Api(app) class User: def __init__(self): self.name = '张三' self.age = 20 self.height = 1.8 self.scores = [80, 75] self.info = { 'gender': True } def to_dict(self): # 模型的属性转为字典的键值对 return { 'username': self.name, 'age': self.age } class DemoResource(Resource): def get(self): user = User() return user.to_dict() def post(self): return {'message': 'param error: username', 'data': None} api.add_resource(DemoResource, '/index') @api.representation('application/json') # 让json形式数据使用指定的函数进行格式转换 def output_json(data, code, headers=None): """Makes a Flask response with a JSON encoded body""" """对于返回的字典进行自定义格式的包装""" if 'message' not in data: data = { 'message': 'ok', 'data': data } settings = current_app.config.get('RESTFUL_JSON', {}) # If we're in debug mode, and the indent is not set, we set it to a # reasonable value here. Note that this won't override any existing value # that was set. We also set the "sort_keys" value. if current_app.debug: settings.setdefault('indent', 4) settings.setdefault('sort_keys', not PY3) # always end the json dumps with a new line # see https://github.com/mitsuhiko/flask/pull/1262 dumped = dumps(data, **settings) + "\n" resp = make_response(dumped, code) resp.headers.extend(headers or {}) return resp if __name__ == '__main__': app.run(debug=True, host='0.0.0.0')

转载于:https://www.cnblogs.com/oklizz/p/11385100.html

[1552472-20190820193731622-1580279574.png]: /images/20230601/b04aeb576dcd4f288b4867164bced51b.png