/// <summary>
/// 有异常就抛出
/// </summary>
/// <param name="res"></param>
public static void ThrowIfException(this HttpResult res)
{
if (!res.IsOk())
{
throw new Exception($"七牛服务器错误，返回数据：{res.ToJson()}");
}
}
/// <summary>
/// 有异常就抛出
/// </summary>
/// <param name="res"></param>
public static void ThrowIfException(this HttpResult res)
{
if (!res.IsOk())
{
throw new Exception($"七牛服务器错误，返回数据：{JsonConvert.SerializeObject(res)}");
}
}