Merge pull request '更新 Admin.NET/Admin.NET.Core/Extension/EnumExtension.cs' (#343) from coolcalf/Admin.NET.Pro:v2 into v2
Reviewed-on: https://code.adminnet.top/Admin.NET/Admin.NET.Pro/pulls/343
This commit is contained in:
zuohuaijun
commit
fcd9b2e88f
@ -1,239 +1,242 @@
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// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
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//
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//
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// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
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//
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//
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
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// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
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namespace Admin.NET.Core;
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namespace Admin.NET.Core;
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/// <summary>
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/// <summary>
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/// 枚举拓展方法
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/// 枚举拓展方法
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/// </summary>
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/// </summary>
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public static class EnumExtension
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public static class EnumExtension
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{
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{
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// 枚举显示字典缓存
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// 枚举显示字典缓存
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private static readonly ConcurrentDictionary<Type, Dictionary<int, string>> EnumDisplayValueDict = new();
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private static readonly ConcurrentDictionary<Type, Dictionary<int, string>> EnumDisplayValueDict = new();
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// 枚举值字典缓存
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// 枚举值字典缓存
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private static readonly ConcurrentDictionary<Type, Dictionary<int, string>> EnumNameValueDict = new();
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private static readonly ConcurrentDictionary<Type, Dictionary<int, string>> EnumNameValueDict = new();
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// 枚举类型缓存
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// 枚举类型缓存
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private static ConcurrentDictionary<string, Type> _enumTypeDict;
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private static ConcurrentDictionary<string, Type> _enumTypeDict;
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/// <summary>
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/// <summary>
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/// 获取枚举对象Key与名称的字典（缓存）
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/// 获取枚举对象Key与名称的字典（缓存）
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/// </summary>
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/// </summary>
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/// <param name="enumType"></param>
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/// <param name="enumType"></param>
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/// <returns></returns>
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/// <returns></returns>
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public static Dictionary<int, string> GetEnumDictionary(this Type enumType)
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public static Dictionary<int, string> GetEnumDictionary(this Type enumType)
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{
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{
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if (!enumType.IsEnum)
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if (!enumType.IsEnum)
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throw new ArgumentException("Type '" + enumType.Name + "' is not an enum.");
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throw new ArgumentException("Type '" + enumType.Name + "' is not an enum.");
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// 查询缓存
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// 查询缓存
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var enumDic = EnumNameValueDict.TryGetValue(enumType, out var value) ? value : new Dictionary<int, string>();
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var enumDic = EnumNameValueDict.TryGetValue(enumType, out var value) ? value : new Dictionary<int, string>();
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if (enumDic.Count != 0)
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if (enumDic.Count != 0)
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return enumDic;
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return enumDic;
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// 取枚举类型的Key/Value字典集合
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// 取枚举类型的Key/Value字典集合
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enumDic = GetEnumDictionaryItems(enumType);
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enumDic = GetEnumDictionaryItems(enumType);
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// 缓存
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// 缓存
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EnumNameValueDict[enumType] = enumDic;
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EnumNameValueDict[enumType] = enumDic;
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return enumDic;
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return enumDic;
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}
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}
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/// <summary>
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/// <summary>
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/// 获取枚举对象Key与名称的字典
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/// 获取枚举对象Key与名称的字典
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/// </summary>
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/// </summary>
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/// <param name="enumType"></param>
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/// <param name="enumType"></param>
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/// <returns></returns>
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/// <returns></returns>
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private static Dictionary<int, string> GetEnumDictionaryItems(this Type enumType)
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private static Dictionary<int, string> GetEnumDictionaryItems(this Type enumType)
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{
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{
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// 获取类型的字段，初始化一个有限长度的字典
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// 获取类型的字段，初始化一个有限长度的字典
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var enumFields = enumType.GetFields(BindingFlags.Public | BindingFlags.Static);
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var enumFields = enumType.GetFields(BindingFlags.Public | BindingFlags.Static);
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Dictionary<int, string> enumDic = new(enumFields.Length);
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Dictionary<int, string> enumDic = new(enumFields.Length);
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// 遍历字段数组获取key和name
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// 遍历字段数组获取key和name
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foreach (var enumField in enumFields)
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foreach (var enumField in enumFields)
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{
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{
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var intValue = (int)enumField.GetValue(enumType)!;
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var intValue = (int)enumField.GetValue(enumType)!;
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enumDic[intValue] = enumField.Name;
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enumDic[intValue] = enumField.Name;
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}
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}
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return enumDic;
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return enumDic;
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}
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}
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/// <summary>
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/// <summary>
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/// 获取枚举类型key与描述的字典（缓存）
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/// 获取枚举类型key与描述的字典（缓存）
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/// </summary>
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/// </summary>
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/// <param name="enumType"></param>
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/// <param name="enumType"></param>
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/// <returns></returns>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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/// <exception cref="Exception"></exception>
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public static Dictionary<int, string> GetEnumDescDictionary(this Type enumType)
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public static Dictionary<int, string> GetEnumDescDictionary(this Type enumType)
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{
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{
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if (!enumType.IsEnum)
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if (!enumType.IsEnum)
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throw new ArgumentException("Type '" + enumType.Name + "' is not an enum.");
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throw new ArgumentException("Type '" + enumType.Name + "' is not an enum.");
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// 查询缓存
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// 查询缓存
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var enumDic = EnumDisplayValueDict.TryGetValue(enumType, out var value)
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var enumDic = EnumDisplayValueDict.TryGetValue(enumType, out var value)
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? value
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? value
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: new Dictionary<int, string>();
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: new Dictionary<int, string>();
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if (enumDic.Count != 0)
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if (enumDic.Count != 0)
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return enumDic;
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return enumDic;
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// 取枚举类型的Key/Value字典集合
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// 取枚举类型的Key/Value字典集合
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enumDic = GetEnumDescDictionaryItems(enumType);
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enumDic = GetEnumDescDictionaryItems(enumType);
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// 缓存
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// 缓存
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EnumDisplayValueDict[enumType] = enumDic;
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EnumDisplayValueDict[enumType] = enumDic;
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return enumDic;
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return enumDic;
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}
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}
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/// <summary>
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/// <summary>
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/// 获取枚举类型key与描述的字典（没有描述则获取name）
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/// 获取枚举类型key与描述的字典（没有描述则获取name）
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/// </summary>
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/// </summary>
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/// <param name="enumType"></param>
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/// <param name="enumType"></param>
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/// <returns></returns>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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/// <exception cref="Exception"></exception>
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private static Dictionary<int, string> GetEnumDescDictionaryItems(this Type enumType)
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private static Dictionary<int, string> GetEnumDescDictionaryItems(this Type enumType)
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{
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{
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// 获取类型的字段，初始化一个有限长度的字典
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// 获取类型的字段，初始化一个有限长度的字典
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var enumFields = enumType.GetFields(BindingFlags.Public | BindingFlags.Static);
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var enumFields = enumType.GetFields(BindingFlags.Public | BindingFlags.Static);
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Dictionary<int, string> enumDic = new(enumFields.Length);
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Dictionary<int, string> enumDic = new(enumFields.Length);
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// 遍历字段数组获取key和name
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// 遍历字段数组获取key和name
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foreach (var enumField in enumFields)
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foreach (var enumField in enumFields)
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{
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{
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var intValue = (int)enumField.GetValue(enumType)!;
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var intValue = (int)enumField.GetValue(enumType)!;
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var desc = enumField.GetDescriptionValue<DescriptionAttribute>();
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var desc = enumField.GetDescriptionValue<DescriptionAttribute>();
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enumDic[intValue] = desc != null && !string.IsNullOrEmpty(desc.Description) ? desc.Description : enumField.Name;
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enumDic[intValue] = desc != null && !string.IsNullOrEmpty(desc.Description) ? desc.Description : enumField.Name;
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}
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}
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return enumDic;
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return enumDic;
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}
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}
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/// <summary>
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/// <summary>
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/// 从程序集中查找指定枚举类型
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/// 从程序集中查找指定枚举类型
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/// </summary>
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/// </summary>
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/// <param name="assembly"></param>
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/// <param name="assembly"></param>
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/// <param name="typeName"></param>
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/// <param name="typeName"></param>
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/// <returns></returns>
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/// <returns></returns>
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public static Type TryToGetEnumType(Assembly assembly, string typeName)
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public static Type TryToGetEnumType(Assembly assembly, string typeName)
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{
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{
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// 枚举缓存为空则重新加载枚举类型字典
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// 枚举缓存为空则重新加载枚举类型字典
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_enumTypeDict ??= LoadEnumTypeDict(assembly);
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_enumTypeDict ??= LoadEnumTypeDict(assembly);
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// 按名称查找
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// 按名称查找
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return _enumTypeDict.TryGetValue(typeName, out var value) ? value : null;
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return _enumTypeDict.TryGetValue(typeName, out var value) ? value : null;
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}
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}
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/// <summary>
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/// <summary>
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/// 从程序集中加载所有枚举类型
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/// 从程序集中加载所有枚举类型
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/// </summary>
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/// </summary>
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/// <param name="assembly"></param>
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/// <param name="assembly"></param>
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/// <returns></returns>
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/// <returns></returns>
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private static ConcurrentDictionary<string, Type> LoadEnumTypeDict(Assembly assembly)
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private static ConcurrentDictionary<string, Type> LoadEnumTypeDict(Assembly assembly)
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{
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{
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// 取程序集中所有类型
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// 取程序集中所有类型
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var typeArray = assembly.GetTypes();
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var typeArray = assembly.GetTypes();
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// 过滤非枚举类型，转成字典格式并返回
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// 过滤非枚举类型，转成字典格式并返回
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var dict = typeArray.Where(o => o.IsEnum).ToDictionary(o => o.Name, o => o);
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var dict = typeArray.Where(o => o.IsEnum).ToDictionary(o => o.Name, o => o);
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ConcurrentDictionary<string, Type> enumTypeDict = new(dict);
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ConcurrentDictionary<string, Type> enumTypeDict = new(dict);
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return enumTypeDict;
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return enumTypeDict;
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}
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}
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/// <summary>
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/// <summary>
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/// 获取枚举的Description
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/// 获取枚举的Description
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/// </summary>
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/// </summary>
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/// <param name="value"></param>
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/// <param name="value"></param>
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/// <returns></returns>
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/// <returns></returns>
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public static string GetDescription(this Enum value)
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public static string GetDescription(this Enum value)
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{
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{
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return value.GetType().GetField(value.ToString())?.GetCustomAttribute<DescriptionAttribute>()?.Description;
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if (value == null) return "";
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}
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return value.GetType().GetField(value.ToString())?.GetCustomAttribute<DescriptionAttribute>()?.Description;
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}
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/// <summary>
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/// 获取枚举的Description
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/// <summary>
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/// </summary>
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/// 获取枚举的Description
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/// <param name="value"></param>
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/// </summary>
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/// <returns></returns>
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/// <param name="value"></param>
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public static string GetDescription(this object value)
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/// <returns></returns>
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{
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public static string GetDescription(this object value)
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return value.GetType().GetField(value.ToString()!)?.GetCustomAttribute<DescriptionAttribute>()?.Description;
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{
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}
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if (value == null) return "";
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return value.GetType().GetField(value.ToString()!)?.GetCustomAttribute<DescriptionAttribute>()?.Description;
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/// <summary>
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}
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/// 获取枚举的Theme
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/// </summary>
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/// <summary>
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/// <param name="value"></param>
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/// 获取枚举的Theme
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/// <returns></returns>
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/// </summary>
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public static string GetTheme(this object value)
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/// <param name="value"></param>
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{
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/// <returns></returns>
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return value.GetType().GetField(value.ToString()!)?.GetCustomAttribute<ThemeAttribute>()?.Theme;
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public static string GetTheme(this object value)
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}
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{
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if (value == null) return "";
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/// <summary>
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return value.GetType().GetField(value.ToString()!)?.GetCustomAttribute<ThemeAttribute>()?.Theme;
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/// 将枚举转成枚举信息集合
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}
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/// </summary>
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/// <param name="type"></param>
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/// <summary>
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/// <returns></returns>
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/// 将枚举转成枚举信息集合
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public static List<EnumEntity> EnumToList(this Type type)
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/// </summary>
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{
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/// <param name="type"></param>
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if (!type.IsEnum)
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/// <returns></returns>
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throw new ArgumentException("Type '" + type.Name + "' is not an enum.");
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public static List<EnumEntity> EnumToList(this Type type)
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var arr = Enum.GetNames(type);
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{
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return arr.Select(sl =>
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if (!type.IsEnum)
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{
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throw new ArgumentException("Type '" + type.Name + "' is not an enum.");
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var item = Enum.Parse(type, sl);
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var arr = Enum.GetNames(type);
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return new EnumEntity
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return arr.Select(sl =>
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{
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{
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Name = item.ToString(),
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var item = Enum.Parse(type, sl);
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Describe = item.GetDescription() ?? item.ToString(),
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return new EnumEntity
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Theme = item.GetTheme() ?? string.Empty,
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{
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Value = item.GetHashCode()
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Name = item.ToString(),
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};
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Describe = item.GetDescription() ?? item.ToString(),
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}).ToList();
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Theme = item.GetTheme() ?? string.Empty,
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}
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Value = item.GetHashCode()
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};
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/// <summary>
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}).ToList();
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/// 枚举ToList
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}
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <summary>
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/// <param name="type"></param>
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/// 枚举ToList
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/// <returns></returns>
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/// </summary>
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public static List<T> EnumToList<T>(this Type type)
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/// <typeparam name="T"></typeparam>
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{
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/// <param name="type"></param>
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if (!type.IsEnum)
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/// <returns></returns>
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throw new ArgumentException("Type '" + type.Name + "' is not an enum.");
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public static List<T> EnumToList<T>(this Type type)
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var arr = Enum.GetNames(type);
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{
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return arr.Select(name => (T)Enum.Parse(type, name)).ToList();
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if (!type.IsEnum)
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}
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throw new ArgumentException("Type '" + type.Name + "' is not an enum.");
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}
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var arr = Enum.GetNames(type);
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return arr.Select(name => (T)Enum.Parse(type, name)).ToList();
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/// <summary>
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}
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/// 枚举实体
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}
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/// </summary>
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public class EnumEntity
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/// <summary>
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{
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/// 枚举实体
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/// <summary>
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/// </summary>
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/// 枚举的描述
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public class EnumEntity
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/// </summary>
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{
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public string Describe { get; set; }
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/// <summary>
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/// 枚举的描述
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/// <summary>
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/// </summary>
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/// 枚举的样式
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public string Describe { get; set; }
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/// </summary>
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public string Theme { get; set; }
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/// <summary>
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/// 枚举的样式
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/// <summary>
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/// </summary>
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/// 枚举名称
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public string Theme { get; set; }
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/// </summary>
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public string Name { get; set; }
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/// <summary>
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/// 枚举名称
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/// <summary>
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/// </summary>
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/// 枚举对象的值
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public string Name { get; set; }
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/// </summary>
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public int Value { get; set; }
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/// <summary>
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/// 枚举对象的值
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/// </summary>
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public int Value { get; set; }
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}
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}
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