using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

/// <summary>
/// 枚举扩展
/// </summary>
public static class EnumExtension
{
    /// <summary>
    /// 获取枚举描述
    /// </summary>
    /// <param name="enumType">枚举类型</param>
    /// <returns></returns>
    public static string GetEnumDisplayName(this Enum enumType)
    {
        try
        {
            Type type = enumType.GetType();
            var field = type.GetField(Enum.GetName(type, enumType));
            var attr = field.GetCustomAttribute<DisplayAttribute>();
            if (attr == null || string.IsNullOrWhiteSpace(attr.Name))
                return enumType.ToString();
            else
                return attr.Name;
        }
        catch
        {
            return string.Empty;
        }

    }
}