rails获取json内容

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url点开后的json是这样的

{

• e:
   

  {

  • provider: ”searches.soku.top”,
  • code: 0,
  • desc: ”OK”

  },

• total: 1320,
• cost: 35,
• data:
   

  [

  •  

    {

    • promId: 278579,
    • queryCount: 69799,
    • keyword: "熊出没"

    },

  • {
    • promId: 110787,
    • queryCount: 12579,
    • keyword: "倒霉熊"

    },

  • {
    • promId: 253153,
    • queryCount: 11341,
    • keyword: "天线宝宝"

    },

  • {
    • promId: 217505,
    • queryCount: 11095,
    • keyword: "网球王子"

    }

  ]

}

JSON.parse(HTTParty.get(url).body)["data"]

[{"promId"=>278579, "queryCount"=>69799, "cateId"=>5, "keyword"=>"熊出没"},

{"promId"=>284119, "queryCount"=>67475, "cateId"=>5, "keyword"=>"啦啦啦德玛西亚"},

{"promId"=>276009, "queryCount"=>14648, "cateId"=>5, "keyword"=>"变形金刚"},

{"promId"=>110787, "queryCount"=>12579, "cateId"=>5, "keyword"=>"倒霉熊"}]

JSON.parse(HTTParty.get(url).body)["data"].map{|hash| hash["promId"]}

得到的就是

[278579, 284119, 19461]