C# 序列化与返序列化

//发起BO, 序列化数组
List<object> voucherList = new List<object>();
string voucherListStr = JsonHelper.Serialize(voucherList); 

//接收BO, 反序列化（指定类型）
var infos = (List<Voucher_CanUseInfo>)JsonHelper.Deserialize(voucherListStr, typeof(List<Voucher_CanUseInfo>));