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GenericTypeExtensions.cs
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56 lines (48 loc) · 1.69 KB
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using System;
using System.Linq;
namespace Blog.Core.Common.Helper
{
public static class GenericTypeExtensions
{
/// <summary>
/// 判断类型是否实现某个泛型
/// </summary>
/// <param name="type">类型</param>
/// <param name="generic">泛型类型</param>
/// <returns>bool</returns>
public static bool HasImplementedRawGeneric(this Type type, Type generic)
{
// 检查接口类型
var isTheRawGenericType = type.GetInterfaces().Any(IsTheRawGenericType);
if (isTheRawGenericType) return true;
// 检查类型
while (type != null && type != typeof(object))
{
isTheRawGenericType = IsTheRawGenericType(type);
if (isTheRawGenericType) return true;
type = type.BaseType;
}
return false;
// 判断逻辑
bool IsTheRawGenericType(Type t) => generic == (t.IsGenericType ? t.GetGenericTypeDefinition() : t);
}
public static string GetGenericTypeName(this Type type)
{
var typeName = string.Empty;
if (type.IsGenericType)
{
var genericTypes = string.Join(",", type.GetGenericArguments().Select(t => t.Name).ToArray());
typeName = $"{type.Name.Remove(type.Name.IndexOf('`'))}<{genericTypes}>";
}
else
{
typeName = type.Name;
}
return typeName;
}
public static string GetGenericTypeName(this object @object)
{
return @object.GetType().GetGenericTypeName();
}
}
}