将任意值转成一个指定的对象。
IDictionary<string, object> t = new ExpandoObject();
t.Add("属性名", 属性值);
var a = (t as dynamic);
// T 是泛型
T result = JsonConvert.DeserializeObject
IDictionary<string, object> t = new ExpandoObject();
t.Add("属性名", 属性值);
var a = (t as dynamic);
// T 是泛型
T result = JsonConvert.DeserializeObject