/// <summary>
/// 获取枚举值包含的位域值
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public static IEnumerable <Enum> GetFlagEnums(this Enum e)
{
if (e.GetHashCode() == 0)
{
return(new Enum[0]);
}
return(e.GetFieldValues().Where(item => e.IsFlagContains(item)));
}
/// <summary>
/// 获取枚举类型所有字段的值
/// </summary>
/// <param name="e">枚举类型</param>
/// <returns></returns>
public static Enum[] GetFieldValues(this Enum e)
{
return(e.GetFieldValues <Enum>());
}
/// <summary>
/// 获取枚举类型所有字段值和对应的Dispaly特性名称
/// </summary>
/// <param name="e">枚举类型</param>
/// <returns></returns>
public static IEnumerable <KeyValuePair <Enum, string> > GetValueDisplays(this Enum e)
{
return(e.GetFieldValues().Select(item => new KeyValuePair <Enum, string>(item, item.GetFieldDisplay())));
}
/// <summary>
/// 获取枚举类型所有字段对应的Dispaly特性名称和说明
/// </summary>
/// <param name="e">枚举类型</param>
/// <returns></returns>
public static IEnumerable <KeyValuePair <string, string> > GetDisplays(this Enum e)
{
return(e.GetFieldValues().Select(item => item.GetAttribute <DisplayAttribute>()).Select(item => new KeyValuePair <string, string>(item.Name, item.Description)));
}