using System.Web.Script.Serialization;

public class JsonHelper
{
    public static string ObjectToJsonString<T>(T t)
    {
        JavaScriptSerializer js = new JavaScriptSerializer();
        //序列化方法：将T类型对象转换为Json字符串
        return js.Serialize(t);
    }

    public static T JsonStringToObject<T>(string str)
    {
        JavaScriptSerializer js = new JavaScriptSerializer();
        //反序列化方法：将Json字符串转化为T类型对象
        return js.Deserialize<T>(str);
    }
}