91 lines
3.2 KiB
C#
91 lines
3.2 KiB
C#
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.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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//using Newtonsoft.Json;
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namespace Infrastructure.Extensions
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{
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public static partial class Extensions
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{
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#region 枚举成员转成dictionary类型
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/// <summary>
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/// 转成dictionary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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public static Dictionary<int, string> EnumToDictionary(this Type enumType)
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{
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Dictionary<int, string> dictionary = new Dictionary<int, string>();
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Type typeDescription = typeof(DescriptionAttribute);
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FieldInfo[] fields = enumType.GetFields();
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int sValue = 0;
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string sText = string.Empty;
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foreach (FieldInfo field in fields)
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{
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if (field.FieldType.IsEnum)
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{
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sValue = ((int)enumType.InvokeMember(field.Name, BindingFlags.GetField, null, null, null));
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object[] arr = field.GetCustomAttributes(typeDescription, true);
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if (arr.Length > 0)
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{
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DescriptionAttribute da = (DescriptionAttribute)arr[0];
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sText = da.Description;
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}
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else
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{
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sText = field.Name;
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}
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dictionary.Add(sValue, sText);
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}
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}
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return dictionary;
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}
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/// <summary>
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/// 枚举成员转成键值对Json字符串
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/// </summary>
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/// <param name="enumType"></param>
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/// <returns></returns>
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//public static string EnumToDictionaryString(this Type enumType)
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//{
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// List<KeyValuePair<int, string>> dictionaryList = EnumToDictionary(enumType).ToList();
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// var sJson = JsonConvert.SerializeObject(dictionaryList);
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// return sJson;
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//}
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#endregion
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#region 获取枚举的描述
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/// <summary>
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/// 获取枚举值对应的描述
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/// </summary>
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/// <param name="enumType"></param>
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/// <returns></returns>
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public static string GetDescription(this System.Enum enumType)
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{
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FieldInfo EnumInfo = enumType.GetType().GetField(enumType.ToString());
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if (EnumInfo != null)
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{
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DescriptionAttribute[] EnumAttributes = (DescriptionAttribute[])EnumInfo.GetCustomAttributes(typeof(DescriptionAttribute), false);
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if (EnumAttributes.Length > 0)
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{
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return EnumAttributes[0].Description;
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}
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}
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return enumType.ToString();
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}
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#endregion
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#region 根据值获取枚举的描述
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public static string GetDescriptionByEnum<T>(this object obj)
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{
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var tEnum = System.Enum.Parse(typeof(T), obj.ParseToString()) as System.Enum;
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var description = tEnum.GetDescription();
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return description;
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}
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#endregion
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}
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}
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