添加项目文件。

2024-09-22 11:05:41 +08:00
parent fb5d55723a
commit 49ceaae6a8
764 changed files with 78850 additions and 0 deletions
--- a/Sai.Toolkit.Core/Heplers/EnumHelpers.cs
+++ b/Sai.Toolkit.Core/Heplers/EnumHelpers.cs
@@ -0,0 +1,175 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Reflection;
+
+namespace Sai.Toolkit.Core.Helpers;
+
+public static class EnumHelpers
+{
+	/// <summary>
+	///     获取当前枚举的值和枚举描述
+	/// </summary>
+	/// <returns></returns>
+	public static List<KeyValuePair<int, string>> GetAll<T>()
+		where T : IComparable, IFormattable, IConvertible
+	{
+		var list = new List<KeyValuePair<int, string>>();
+		foreach (var field in typeof(T).GetFields())
+		{
+			if (field.FieldType.IsEnum)
+			{
+				var tmp = field.GetValue(null);
+				var enumValue = (Enum)tmp;
+				var intValue = Convert.ToInt32(enumValue);
+				var showName = enumValue.GetDescription();
+				list.Add(new KeyValuePair<int, string>(intValue, showName));
+			}
+		}
+
+		return list;
+	}
+
+	/// <summary>
+	///     获取当前枚举值的描述，没有描述则返回空字符串
+	/// </summary>
+	/// <param name="value"></param>
+	/// <returns></returns>
+	public static string GetDescription(this Enum value)
+	{
+		var description = string.Empty;
+		var fieldInfo = value.GetType().GetField(value.ToString());
+		var attr = fieldInfo.GetCustomAttribute<DescriptionAttribute>();
+		if (attr != null)
+		{
+			description = attr.Description;
+		}
+
+		return description;
+	}
+
+	public static Dictionary<string, T> GetDescriptionEnumMap<T>()
+		where T : Enum
+	{
+		var results = new Dictionary<string, T>();
+
+		var values = Enum.GetValues(typeof(T));
+
+		foreach (T value in values)
+		{
+			var member = typeof(T).GetMember(value.ToString()).FirstOrDefault();
+
+			if (member is null)
+			{
+				continue;
+			}
+
+			var customAttributes = member.GetCustomAttributes(typeof(DescriptionAttribute), false);
+
+			var name = (customAttributes.FirstOrDefault() as DescriptionAttribute)?.Description;
+
+			if (name != null)
+			{
+				results.Add(name, value);
+			}
+		}
+
+		return results;
+	}
+
+	public static Dictionary<string, T> GetDisplayEnumDict<T>()
+		where T : Enum
+	{
+		var results = new Dictionary<string, T>();
+
+		var values = Enum.GetValues(typeof(T));
+
+		foreach (T value in values)
+		{
+			var member = typeof(T).GetMember(value.ToString()).FirstOrDefault();
+
+			if (member is null)
+			{
+				continue;
+			}
+
+			var atts = member.GetCustomAttributes(typeof(DisplayAttribute), false);
+
+			var name = (atts.FirstOrDefault() as DisplayAttribute)?.Name;
+
+			if (name != null)
+			{
+				results.Add(name, value);
+			}
+		}
+
+		return results;
+	}
+
+	/// <summary>
+	///     获取描述的扩展方法
+	/// </summary>
+	/// <param name="enumObj"></param>
+	/// <param name="value">枚举值</param>
+	/// <returns></returns>
+	public static string GetEnumDescription(this Enum enumObj, int? value)
+	{
+		var fields = enumObj.GetType().GetFields();
+		for (int i = 1, count = fields.Length; i < count; i++)
+		{
+			if ((int)Enum.Parse(enumObj.GetType(), fields[i].Name) == value)
+			{
+				var enumAttributes = (DescriptionAttribute[])fields[i].GetCustomAttributes(typeof(DescriptionAttribute), false);
+				if (enumAttributes.Length > 0)
+				{
+					return enumAttributes[0].Description;
+				}
+			}
+		}
+
+		return string.Empty;
+	}
+
+	private static void GetInfo(Type enumType)
+	{
+		_ = Enum.GetValues(enumType); //得到的是枚举类型，用于遍历枚举类
+
+		_ = Enum.GetNames(enumType); //得到的是枚举类的字符串
+	}
+
+	public static List<string> TraverseEnum<T>()
+	{
+		List<string> pName = new();
+		foreach (T p in Enum.GetValues(typeof(T)))
+		{
+			pName.Add(p.ToString());
+		}
+
+		return pName;
+	}
+
+	public static bool TryParseByDescAttr<T>(string value, out T result)
+		where T : Enum
+	{
+		if (value is null)
+		{
+			throw new ArgumentNullException(nameof(value));
+		}
+
+		var descs = GetDescriptionEnumMap<T>();
+
+		return !descs.TryGetValue(value, out result) ? throw new InvalidEnumArgumentException() : true;
+	}
+
+	public static bool TryParseByDisplayAttr<T>(string value, out T result)
+		where T : Enum
+	{
+		if (value is null)
+		{
+			throw new ArgumentNullException(nameof(value));
+		}
+
+		var dict = GetDisplayEnumDict<T>();
+
+		return !dict.TryGetValue(value, out result) ? throw new InvalidEnumArgumentException() : true;
+	}
+}