111 lines
3.2 KiB
C#
111 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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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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namespace MyCode.Project.Infrastructure.JackYun
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{
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/// <summary>
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/// 枚举属性。
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/// </summary>
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[AttributeUsage(AttributeTargets.Field)]
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public class EnumAttribute : Attribute
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{
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#region 构造器
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/// <summary>
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/// 构造器。
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/// </summary>
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/// <param name="text">枚举名</param>
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/// <param name="value">枚举值</param>
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public EnumAttribute(string text, string value) : this(text, value, null) { }
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/// <summary>
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/// 构造器。
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/// </summary>
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/// <param name="text">枚举名</param>
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/// <param name="value">枚举值</param>
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/// <param name="colorText">颜色值</param>
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public EnumAttribute(string text, string value, string colorText)
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{
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this.Text = text;
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this.Value = value;
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this.ColorText = colorText;
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}
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#endregion
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#region 变量
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/// <summary>
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/// 并发控制锁对象。
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/// </summary>
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private static readonly object __LOCK__ = new object();
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/// <summary>
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/// 属性缓存对象。
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/// </summary>
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private static Dictionary<string, Dictionary<string, EnumAttribute>> cachedObj = new Dictionary<string, Dictionary<string, EnumAttribute>>();
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#endregion
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#region 属性
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/// <summary>
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/// 获取或设置 枚举名。
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/// </summary>
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public string Text { get; set; }
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/// <summary>
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/// 获取或设置 枚举值。
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/// </summary>
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public string Value { get; set; }
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/// <summary>
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/// 获取或设置 颜色值。
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/// </summary>
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public string ColorText { get; set; }
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#endregion
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#region 获取指定对象的枚举属性
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/// <summary>
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/// 获取指定对象的枚举属性。
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/// </summary>
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/// <param name="obj">源对象</param>
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/// <returns></returns>
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public static EnumAttribute GetAttribute(object obj)
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{
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//设置对象缓存键。
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var cacheKey1 = obj.GetType().FullName;
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//从缓存中获取。
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if (cachedObj.ContainsKey(cacheKey1))
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return cachedObj[cacheKey1].ContainsKey(obj.ToString()) ? cachedObj[cacheKey1][obj.ToString()] : null;
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//动态反射获取。
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lock (__LOCK__)
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{
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var dic = new Dictionary<string, EnumAttribute>();
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foreach (var fi in obj.GetType().GetFields())
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{
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object[] eds = fi.GetCustomAttributes(typeof(EnumAttribute), false);
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if (eds.Length == 1)
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{
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if (!dic.ContainsKey(fi.Name))
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dic.Add(fi.Name, (EnumAttribute)eds[0]);
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}
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}
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if (!cachedObj.ContainsKey(cacheKey1))
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cachedObj.Add(cacheKey1, dic);
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return dic.ContainsKey(obj.ToString()) ? dic[obj.ToString()] : null;
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}
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}
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#endregion
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}
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} |