将 JSON 反序列化为对象

发布于 2025-01-03 01:25:14 字数 1073 浏览 1 评论 0原文

我收到 JSON，我需要反序列化。我正在使用 JavaScriptSerializer 来执行此操作。
物体

class Player
    {
        public string name{ set; get; }
        public float yPos { set; get; }
        public float xPos { set; get; }
    }

class Communication
    {
        public string id{ set; get; }
        public string message{ set; get; }
        public string status{ set; get; }
    }

例如 JSON：

var json1 = "[{\"name\":\"Master\",\"xPos\":\"34.67\",\"yPos\":\"85.36\"}, {\"name\":\"Puppet\",\"xPos\":\"19.56\",\"yPos\":\"75.19\"}]";

var json2 = "[{\"id\":\"5697862\",\"message\":\"Hello\",\"status\":\"85.36\"}, {\"id\":\"4698458\",\"message\":\"Hi\",\"status\":\"75.19\"}]";

反序列化器方法：

private static List<T> Deserialize<T>(string json)
        {
            var s = new System.Web.Script.Serialization.JavaScriptSerializer();
            List<T> obj = s.Deserialize<List<T>>(json);
            return obj;
        }

但问题是我收到了两种不同类型的 JSON 消息。那么我如何找出需要反序列化的对象呢？

原文

I'm receiving JSON, that i need to Deserialize. I'm using JavaScriptSerializer to do so.
E.g. Objects

class Player
    {
        public string name{ set; get; }
        public float yPos { set; get; }
        public float xPos { set; get; }
    }

class Communication
    {
        public string id{ set; get; }
        public string message{ set; get; }
        public string status{ set; get; }
    }

E.g. JSONs:

var json1 = "[{\"name\":\"Master\",\"xPos\":\"34.67\",\"yPos\":\"85.36\"}, {\"name\":\"Puppet\",\"xPos\":\"19.56\",\"yPos\":\"75.19\"}]";

var json2 = "[{\"id\":\"5697862\",\"message\":\"Hello\",\"status\":\"85.36\"}, {\"id\":\"4698458\",\"message\":\"Hi\",\"status\":\"75.19\"}]";

Deserializer Method:

private static List<T> Deserialize<T>(string json)
        {
            var s = new System.Web.Script.Serialization.JavaScriptSerializer();
            List<T> obj = s.Deserialize<List<T>>(json);
            return obj;
        }

But here is the problem I have two different kind of JSON messages coming. So how do I figure out to what object I need to Deserialize?

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云仙小弟 2025-01-10 01:25:14

您可以动态处理结果，而不是反序列化到特定的类

var js = new JavaScriptSerializer();
dynamic dynObj =  js.DeserializeObject(jsonN);
foreach (var obj in dynObj)
{
    if (obj.ContainsKey("name")) Console.WriteLine(obj["name"]);
    else Console.WriteLine(obj["message"]);
}

Instead of deserializing to a specific class you can process the result dynamically

var js = new JavaScriptSerializer();
dynamic dynObj =  js.DeserializeObject(jsonN);
foreach (var obj in dynObj)
{
    if (obj.ContainsKey("name")) Console.WriteLine(obj["name"]);
    else Console.WriteLine(obj["message"]);
}

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玩物 2025-01-10 01:25:14

我建议查看 DataContractJsonSerializer （它也可以反序列化）。此类可确保您在分别对 JSON 进行序列化和反序列化时遵循特定的约定。

对于反序列化，它的工作原理如下：

stream1.Position = 0;
Person p2 = (Person)ser.ReadObject(stream1);

序列化的工作原理如下：

MemoryStream stream1 = new MemoryStream();
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Person));
ser.WriteObject(stream1, p);

请参阅链接以获取更多说明。

I would recommend taking a look at the DataContractJsonSerializer (which can also deserialize). This class ensures that you are following the specific contract when you serialize and deserialize to and from JSON, respectively.

For deserialization, it works something like this:

stream1.Position = 0;
Person p2 = (Person)ser.ReadObject(stream1);

Serialization works like this:

MemoryStream stream1 = new MemoryStream();
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Person));
ser.WriteObject(stream1, p);

See the link for additional explanation.

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