/// <summary>
/// 根据id，返回对象
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public T FindById(int id)
{
if (id <= 0)
{
return(null);
}
var fileName = Path.Combine(this.ModelDir, id + fileExt);
if (!File.Exists(fileName))
{
return(null);
}
return(serializer.DeSerializFromFile <T>(fileName));
}
