通过json.net中的属性名称查找值?

时间:2014-11-03 12:45:26

标签: c# linq json.net

我有这个简单的json响应:

   {
    "results": [
        {
            "address_components": [
                {
                    "long_name": "277",
                    "short_name": "277",
                    "types": [
                        "street_number"
                    ]
                },
                {
                    "long_name": "United States",
                    "short_name": "US",
                    "types": [
                        "country",
                        "political"
                    ]
                },
                {
                    "long_name": "11211",
                    "short_name": "11211",
                    "types": [
                        "postal_code"
                    ]
                }
            ],
            "formatted_address": "277 Bedford Avenue, Brooklyn, NY 11211, USA"
        },
        {
            "a": 2
        }
    ],
    "status": "OK"
}

如何根据包含types的(黄色)"country"获取绿色值?

可视化:

enter image description here

是否可以通过json Linq来做到这一点? (Newtonsoft.Json.Linq.JObjec)

像这样的东西 psuedo :(没有工作/编译)

 JObject jt=   JObject.Parse(dataObjects);
 jt["results"].Where(f=>f.key=="address_components").Where(g=>g["types"].contains("country")).select(h=>h["long_name")

1 个答案:

答案 0 :(得分:5)

是的,这是可能的。

jt["results"].Children()
    .Select(t => t["address_components"])
    .Where(a => a != null)
    .Children()
    .Where(c => c["types"].Children().Contains("country"))
    .Select(a => a["long_name"])
    .ToArray();