一个JSON序列化类,可序列化匿名类型

/// <summary>
/// Json扩展方法类(编译时检查,类型安全)
/// </summary>
public static class JsonContextExtension
{
/// <summary>
/// 从一个对象信息生成Json串
/// </summary>
/// <param name="obj">转换对象</param>
/// <typeparam name="T">对象类型</typeparam>
/// <returns></returns>
public static string ToJson<T>(this T obj)
{
if (typeof(T).FullName.Contains("<>f__AnonymousType"))
{
//匿名类型
var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
return serializer.Serialize(obj);
}
else
{
var serializer = new DataContractJsonSerializer(typeof(T));
string json = string.Empty;
using (MemoryStream stream = new MemoryStream())
{
serializer.WriteObject(stream, obj);
json = Encoding.UTF8.GetString(stream.ToArray());
stream.Close();
}
return json;
}
}
/// <summary>
/// 从一个Json串生成对象信息
/// </summary>
/// <param name="jsonString">JSON字符串</param>
/// <typeparam name="T">对象类型</typeparam>
/// <returns></returns>
public static T JsonToObject<T>(this string jsonString)
{

DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(jsonString)))
{
var jsonobj = (T)serializer.ReadObject(stream);
stream.Close();
return jsonobj;
}
}
}