python flaskfeng封装跨域请求头和封装json格式
from flask import Response,jsonify
from werkzeug.datastructures import Headers
class MyResponse(Response): #自定义 response
def __init__(self, response=None,**kwargs):
headers=kwargs.get("headers",Headers())
headers.add("Access-Control-Allow-Origin","*")
headers.add("myage", "19")
kwargs["headers"]=headers
super().__init__(response, **kwargs)
@classmethod
def force_type(cls, response, environ=None):
if isinstance(response,dict): #当返回类型是dict时,我们做相应的处理
response=jsonify(response)
return super(Response,cls).force_type(response,environ)redirect方法:
