flask-自定义json

概述自定义json from flask import Flaskfrom flask_restful import Resource, Apifrom flask import make_response, current_appfrom flask_restful.utils import PY3from json import dumpsapp = Flask(__name__)a 自定义Json

from flask import Flaskfrom flask_restful import Resource,APIfrom flask import make_response,current_appfrom flask_restful.utils import PY3from Json import dumpsapp = 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 respif __name__ == '__main__':    app.run(deBUG=True,host='0.0.0.0')

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