C# 将对象序列化为Json格式

public static string JsonSerializer<T>(T t)
{
DataContractJsonSerializer ser = new  DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, t);
string jsonString = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
return jsonString;
}