我有一个从Facebook API获得的JSON字符串,其中有一个节点的名称根据其内容而更改,例如,有时是45或58等。它可以是任何数字。我想要它的价值。如何获得它?示例:
{
"data": [
{
"id": "1492292372_10201810786059989",
"created_time": "2014-04-05T09:00:54+0000"
},
{
"id": "1492292372_10201804679827337",
"created_time": "2014-04-04T07:29:07+0000"
},
{
"id": "1492292372_10201804649306574",
"created_time": "2014-04-04T07:10:33+0000"
},
{
"id": "1492292372_10201801316823264",
"created_time": "2014-04-03T18:31:50+0000"
},
{
"id": "1492292372_10201798962284402",
"created_time": "2014-04-03T06:24:47+0000"
},
{
"message_tags": {
"0": [
{
"id": "1492292372",
"name": "Yawar Sohail",
"type": "user",
"offset": 0,
"length": 12
}
],
"15": [
{
"id": "1489845168",
"name": "Zeeshan Anjum",
"type": "user",
"offset": 15,
"length": 13
}
]
},
"id": "1492292372_10201796274777216",
"created_time": "2014-04-02T17:57:05+0000"
},
{
"id": "1492292372_10201794080482360",
"created_time": "2014-04-02T07:26:23+0000"
},
在message_tags中,有两个节点0和15,它们根据偏移量值动态变化。我需要这些节点中的名称、类型和ids。
发布于 2014-04-07 15:40:19
您可以将JSON反序列化为ExpandoObject。
var converter = new ExpandoObjectConverter();
dynamic obj = JsonConvert.DeserializeObject<ExpandoObject>(json, converter);
它在运行时动态地将成员添加到您的对象中,并允许您在as described in this answer中迭代这些成员
foreach (var prop in obj.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public))
{
Console.WriteLine("Name: {0}, Value: {1}",prop.Name, prop.GetValue(obj,null));
}
这样,您就可以遍历obj.message_tags
以获取各个消息,并分别获取它们的所有详细信息。
https://stackoverflow.com/questions/22906010
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