using KissUtil.Helpers;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Volo.Abp;
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namespace CMS.Plugin.HIAWms.Domain.Shared.Util
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{
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/// <summary>
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/// 枚举帮助类.
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/// </summary>
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public static class EnumHelper
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{
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/// <summary>
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/// 获取枚举.
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/// </summary>
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/// <param name="enumName"> </param>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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public static List<EnumItem> GetEnumItems(string enumName)
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{
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// 获取当前程序集中的所有类型
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var enumType = AppDomain.CurrentDomain.GetAssemblies()
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.SelectMany(a => a.GetTypes())
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.FirstOrDefault(t => t.Name == enumName && t.IsEnum);
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if (enumType == null)
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{
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throw new UserFriendlyException($"枚举类型 {enumName} 不存在");
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}
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return GetEnumItems(enumType);
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}
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/// <summary>
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/// 获取枚举类型.
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/// </summary>
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/// <param name="enumType"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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public static List<EnumItem> GetEnumItems(Type enumType)
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{
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if (!enumType.IsEnum)
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{
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throw new UserFriendlyException("提供的类型不是枚举类型");
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}
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var result = new List<EnumItem>();
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var values = Enum.GetValues(enumType);
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foreach (var value in values)
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{
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var fieldInfo = enumType.GetField(value.ToString());
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var description = fieldInfo?
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.GetCustomAttributes(typeof(DescriptionAttribute), false)
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.FirstOrDefault() as DescriptionAttribute;
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result.Add(new EnumItem
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{
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Value = (int)value,
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Name = value.ToString(),
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Description = description?.Description ?? value.ToString(),
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});
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}
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return result;
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}
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}
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/// <summary>
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/// 枚举描述.
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/// </summary>
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public class EnumItem
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{
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public int Value { get; set; }
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public string Name { get; set; }
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public string Description { get; set; }
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}
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}
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