返回值:
类型: 字符串,dict,tuple,response, WSGIresponse对象 响应对象
response('字符串',headers={key:value})
response = make_response('.....')
# 添加头
response.headers['aaa'] = 'abc'
# 属性
print(response.content_type)
print(response.headers)
print(response.status_code) # 200
print(response.status) # 200 OK