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我正在尝试研究如何使用restKit从foursquare获取一些数据.

我正在使用本教程.

使用此代码

我尝试做一些不同的,所以我尝试从类别中获取数据.

这是foursqure的json看起来像

   {
  venue: {
    id: "40a55d80f964a52020f31ee3",
    name: "Clinton St. Baking Co. & Restaurant",
    contact: {
      phone: "6466026263",
      formattedPhone: "(646) 602-6263"
    },
    location: {
      address: "4 Clinton St",
      crossStreet: "at E Houston St.",
      lat: 40.721294,
      lng: -73.983994,
      postalCode: "10002",
      city: "New York",
      state: "NY",
      country: "United States",
      cc: "US"
    },
    canonicalUrl: "https://foursquare.com/v/clinton-st-baking-co--restaurant/40a55d80f964a52020f31ee3",
    categories: [
      {
        id: "4bf58dd8d48988d143941735",
        name: "Breakfast Spot",
        pluralName: "Breakfast Spots",
        shortName: "Breakfast / Brunch",
        icon: {
          prefix: "https://foursquare.com/img/categories_v2/food/breakfast_",
          suffix: ".png"
        }, …