Json.Net 用法

static void Main(string[] args)
{
    string jsonString = string.Empty;
using (StringWriter sw = new StringWriter())
{
    using (JsonTextWriter writer = new JsonTextWriter(sw))
    {
        // 開始輸出物件
        writer.WriteStartObject();

        // 輸出屬性:id
        writer.WritePropertyName("id");
        writer.WriteValue(1);

        // 輸出屬性:name
        writer.WritePropertyName("name");
        writer.WriteValue("xian");

        // 輸出屬性today
        writer.WritePropertyName("today");
        writer.WriteValue(DateTime.Today);

        // 開始輸出陣列
        writer.WritePropertyName("arraydata");
        writer.WriteStartArray();
        writer.WriteValue(1);
        writer.WriteValue(2);
        writer.WriteValue(3);

        // 結束輸出陣列
        writer.WriteEndArray();

        // 結束串出物件
        writer.WriteEndObject();
    }

    jsonString = sw.ToString();
    Console.WriteLine(jsonString);
}

using (StringReader sr = new StringReader(jsonString))
{
    using (JsonTextReader reader = new JsonTextReader(sr))
    {
        while (reader.Read())
        {
            if (reader.Value != null)
            {
                Console.WriteLine("token:{0}, value:{1}", reader.TokenType, reader.Value);
            }
            else
            {
                Console.WriteLine("token:{0}", reader.TokenType);
            }
        }
    }
}

Console.ReadLine();

}

// 淮備Json資料
JObject obj1 = new JObject()
{
    new JProperty("id", 1),
    new JProperty("name", "xian"),
    new JProperty("today", DateTime.Today),
    new JProperty("arraydata", 
    new JArray()
    {
        new JValue(1),
        new JValue(2),
        new JValue(3),
    })
};
string jsonString = obj1.ToString();
Console.WriteLine(jsonString);
// 解析Json格式
JObject obj2 = JObject.Parse(jsonString);
Console.WriteLine(
“id:{0}, name:{1}, today:{2}, arraydata:{3}”,
obj2[“id”],
obj2[“name”],
obj2[“today”],
obj2[“arraydata”]);
Console.ReadLine();

// 淮備資料
Person p1 = new Person()
{
    id = 1,
    name = "xian",
    today = DateTime.Today
};
// 序列化物件
string jsonString = JsonConvert.SerializeObject(p1);
Console.WriteLine(“jsonstring:{0}”, jsonString);
// 反序列化物件
Person p2 = JsonConvert.DeserializeObject<Person>(jsonString);
Console.WriteLine(“id:{0}, name:{1}, today:{2}”, p2.id, p2.name, p2.today);
Console.ReadLine();