Question

大家好几周以来我一直在玩webapp2和Python。简而言之，我进入了路由主题。我发现了一个有用的link，可以了解如何完成路由......不知何故，在我的项目中，我一直在努力解决这个问题。

基本上我想做的就是添加国家/地区，然后在创建链接/ countries / country_id（其中country id应为iso3）时单独查看每个国家/地区，以便稍后使用jquery更新其属性可以编辑或删除它们。更好地称为CRUD

我可以在这里得到任何帮助吗？这可能是一个非常愚蠢的解决方案......我的大脑没有做对......： - （

我一直这样：

INFO 2015-04-06 15：33：49,839 module.py:737]默认值：＆＃34; GET / HTTP / 1.1＆＃34; 405 187

这是我的处理程序代码：

class HomePage(BaseRequestHandler):
      def get(self):
        self.render_template('index.html')

class CountriesHandler(BaseRequestHandler):
     def create(self):
    """I want to get this from https://github.com/mledoze/countries
       Could this be possible to get it from json...? to be researched
    """
        country_key = ndb.Key(Country, self.request.get('ccn3'))
        country = Country((country_key),
          name = self.request.get('name'),
          ccn3 = self.request.get('ccn3'),
          region = self.request.get('region'),
          )

        country.put()
       """I might be doing wrong here..."""
        self.redirect('/countries/country')

        self.render_template('add_country.html')

      def list(self, country_key):
        self.render_template('list.html')

      def view(self, country_key):
    """I think I have to do something here to get thinks to work with routing
    """
        self.render_template('country.html')

      def update(self, ndb_key):
        """This should update one single field"""
        if type(ndb_key) is ndb.key.Key:
          key = ndb_key
        else:
          key = ndb.Key(urlsafe=ndb_key)
        item = key.get()
        item.self.request.get('value')
        item.put()

      def delete(self, ndb_key):
        """This should delete an entity"""
        if type(ndb_key) is ndb.key.Key:
          key = ndb_key
        else:
          key = ndb.Key(urlsafe=ndb_key)
        key.delete()

这是我的路由器代码：

"""Here i get always confused which one I should use and how I should use"""
    _route_info = [
      ('Main',   'GET', '/',                 HomePage, 'home'),
      ('country.list',   'GET', '/countries/',                 CountriesHandler, 'list'),
      ('country.create', None,  '/countries/create/',          CountriesHandler, 'create'),
      ('country.view',   'GET', '/countries/<id:\d+>/',        CountriesHandler, 'view'),
      ('country.delete', None,  '/countries/<id:\d+>/delete/', CountriesHandler, 'delete'),
      ('country.update', None,  '/countries/<id:\d+>/update/', CountriesHandler, 'update'),
    ]

更新1 ：

我稍微更改了代码。但仍然得到同样的错误：

class CountriesHandler(BaseRequestHandler):
  def create(self):
     if self.request.method == 'POST':
            country_key = ndb.Key(Country, self.request.get('ccn3'))
            country = Country((country_key),
              name = self.request.get('name'),
              ccn3 = self.request.get('ccn3'),
              region = self.request.get('region'),
              )

            country.put()
       return self.redirect(self.uri_for('country.view'))
     else:
      return self.render_template('putcountry.html')

Answer 1

使用Route类。像这样：

_route_info = [
  webapp2.Route('/countries', CountriesHandler, name='country.list', methods=['GET'], handler_method='list')
]

完整文档here

Answer 2

这是一个有趣的问题，因为没有内置映射。我选择了带有国家/地区名称和城市名称的手动地图数据存储区ID，以便为我的网络应用实现网址，如<country>/<city>/<category>。我最终想要跟随地图城市和国家。

includes:
- br.yaml # Brazil
- in.yaml # India

然后在in.yaml

handlers:
- url: /(india/for_sale|goa.*|delhi.*|gujarat.*|haryana.*|andaman.*|andhra_pradesh.*|arunachal_pradesh.*|uttar_pradesh.*|uttaranchal.*|tripura.*|tamil_nadu.*|sikkim.*|rajasthan.*|punjab.*|manipur.*|meghalaya.*|mizoram.*|nagaland.*|orissa.*|madhya_pradesh.*|kerala.*|karnataka.*|jharkhand.*|jammu_kashmir.*|himachal_pradesh.*|west_bengal.*|assam.*|bihar.*|chhattisgarh.*|maharashtra.*|pondicherry.*|lakshadweep.*|daman_diu.*|dadra.*|dadra_nagar_haveli.*|chandigarh.*|andaman_nicobar_islands.*|sindh.*)
  script: in.app

- url: /india/jobs.*
  script: india_jobs.application

- url: /india/cars-for_sale.*
  script: india_cars-for_sale.application

- url: /india/real_estate.*
  script: india_real_estate.application

webapp2 CRUD路由返回405

2 个答案: