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

namespace JSMachine.WMS.Infrastructure
{
    public static class EnumExtension
    {
        /// <summary>
        /// 获取枚举描述属性值
        /// </summary>
        /// <param name="enum"></param>
        /// <returns></returns>
        public static string GetDescription(this Enum @enum)
        {
            Type type = @enum.GetType();
            string name = Enum.GetName(type, @enum);
            if (string.IsNullOrWhiteSpace(name))
                return @enum.ToString();

            FieldInfo field = type.GetField(name);
            DescriptionAttribute des = field?.GetCustomAttribute<DescriptionAttribute>();
            if (des == null)
                return @enum.ToString();

            return des.Description;
        }
    }
}