{
  "markerArr": [
      {
          "City": "请选择城市",
          "id": "0"
      },
      {
          "City": "海口1",
          "id": "1"
      },
      {
          "City": "海口2",
          "id": "2"
      },
      {
          "City": "海口3",
          "id": "3"
      },
      {
          "City": "海口4",
          "id": "4"
      },
      {
          "City": "海口5",
          "id": "5"
      },
      {
          "City": "海口6",
          "id": "6"
      },
      {
          "City": "海口7",
          "id": "7"
      }
  ]
}