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EnumExtensions.cs
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117 lines (108 loc) · 3.24 KB
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
namespace Blog.Core.Common.Extensions
{
/// <summary>
/// 枚举的扩展方法
/// </summary>
public static class EnumExtensions
{
/// <summary>
/// 获取到对应枚举的描述-没有描述信息，返回枚举值
/// </summary>
/// <param name="enum"></param>
/// <returns></returns>
public static string EnumDescription(this Enum @enum)
{
Type type = @enum.GetType();
string name = Enum.GetName(type, @enum);
if (name == null)
{
return null;
}
FieldInfo field = type.GetField(name);
if (!(Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) is DescriptionAttribute attribute))
{
return name;
}
return attribute?.Description;
}
public static int ToEnumInt(this Enum e)
{
try
{
return e.GetHashCode();
}
catch (Exception)
{
return 0;
}
}
public static List<EnumDto> EnumToList<T>()
{
return setEnumToList(typeof(T));
}
public static List<EnumDto> EnumToList(Type enumType)
{
return setEnumToList(enumType);
}
private static List<EnumDto> setEnumToList(Type enumType)
{
List<EnumDto> list = new List<EnumDto>();
foreach (var e in Enum.GetValues(enumType))
{
EnumDto m = new();
object[] attacheds = e.GetType().GetField(e.ToString()).GetCustomAttributes(typeof(EnumAttachedAttribute), true);
if (attacheds != null && attacheds.Length > 0)
{
EnumAttachedAttribute aa = attacheds[0] as EnumAttachedAttribute;
//m.Attached = aa;
m.TagType = aa.TagType;
m.Description = aa.Description;
m.Icon = aa.Icon;
m.IconColor = aa.IconColor;
}
m.Value = Convert.ToInt32(e);
m.Name = e.ToString();
list.Add(m);
}
return list;
}
}
/// <summary>
/// 枚举对象
/// </summary>
public class EnumDto
{
/// <summary>
/// 附加属性
/// </summary>
public EnumAttachedAttribute Attached { get; set; }
/// <summary>
/// 标签类型
/// </summary>
public string TagType { get; set; }
/// <summary>
/// 枚举描述
/// </summary>
public string Description { get; set; }
/// <summary>
/// 枚举名称
/// </summary>
public string Name { get; set; }
/// <summary>
/// 枚举值
/// </summary>
public int Value { get; set; }
/// <summary>
/// 图标
/// </summary>
public string Icon { get; set; }
/// <summary>
/// 图标颜色
/// </summary>
public string IconColor { get; set; }
}
}