/// <summary>
/// 转换为可空double
/// </summary>
/// <param name="obj">数据</param>
public static double?ToDoubleOrNull(this string obj)
{
return(Conv.ToDoubleOrNull(obj));
}
/// <summary>
/// 转换为可空double
/// </summary>
/// <param name="data">数据</param>
public static double?ToDoubleOrNull(this string data)
{
return(Conv.ToDoubleOrNull(data));
}