300 lines
9.3 KiB
C#
300 lines
9.3 KiB
C#
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using System;
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using System.Linq;
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using System.Reflection;
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namespace Stary.Evo
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{
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#if UNITY_EDITOR
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[ClassAPI("01.FluentAPI.CSharp", "System.Reflection", 4)]
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[APIDescriptionCN("针对 System.Reflection 提供的链式扩展")]
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[APIDescriptionEN("Chain extension provided for System.Reflection")]
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#endif
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public static class SystemReflectionExtension
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{
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// [UnityEditor.MenuItem("QF/Test")]
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// public static void Test()
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// {
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// "/abc/e.txt".GetFileExtendName().LogInfo();
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// }
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#if UNITY_EDITOR
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[MethodAPI]
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[APIDescriptionCN("通过 Type 创建 Instance")]
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[APIDescriptionEN("Create Instance By Type")]
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[APIExampleCode(@"
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interface IA
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{
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}
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class A
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{
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}
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IA a = typeof(A).CreateInstance<IA>();
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")]
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#endif
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public static T CreateInstance<T>(this Type self) where T : class
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{
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// 获取构造函数
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var constructorInfos = self.GetConstructors(BindingFlags.Instance | BindingFlags.Public);
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// 获取无参构造函数
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var ctor = Array.Find(constructorInfos, c => c.GetParameters().Length == 0);
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return ctor.Invoke(null) as T;
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}
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#if UNITY_EDITOR
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// v1 No.32
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[MethodAPI]
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[APIDescriptionCN("通过反射的方式调用私有方法")]
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[APIDescriptionEN("call private method by reflection")]
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[APIExampleCode(@"
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class A
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{
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private void Say() { Debug.Log(""I'm A!"") }
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}
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new A().ReflectionCallPrivateMethod(""Say"");
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// I'm A!
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")]
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#endif
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public static object ReflectionCallPrivateMethod<T>(this T self, string methodName, params object[] args)
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{
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var type = typeof(T);
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var methodInfo = type.GetMethod(methodName, BindingFlags.Instance | BindingFlags.NonPublic);
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return methodInfo?.Invoke(self, args);
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}
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#if UNITY_EDITOR
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// v1 No.33
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[MethodAPI]
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[APIDescriptionCN("通过反射的方式调用私有方法，有返回值")]
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[APIDescriptionEN("call private method by reflection,return the result")]
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[APIExampleCode(@"
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class A
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{
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private bool Add(int a,int b) { return a + b; }
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}
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Debug.Log(new A().ReflectionCallPrivateMethod(""Add"",1,2));
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// 3
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")]
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#endif
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public static TReturnType ReflectionCallPrivateMethod<T, TReturnType>(this T self, string methodName,
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params object[] args)
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{
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return (TReturnType)self.ReflectionCallPrivateMethod(methodName, args);
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}
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#if UNITY_EDITOR
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// v1 No.34
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[MethodAPI]
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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[APIExampleCode(@"
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[DisplayName(""A Class"")
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class A
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{
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[DisplayName(""A Number"")
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public int Number;
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[DisplayName(""Is Complete?"")
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private bool Complete => Number > 100;
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[DisplayName(""Say complete result?"")
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public void SayComplete()
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{
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Debug.Log(Complete);
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}
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}
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var aType = typeof(A);
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//
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Debug.Log(aType.HasAttribute(typeof(DisplayNameAttribute));
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// true
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Debug.Log(aType.HasAttribute<DisplayNameAttribute>());
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// true
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// also support MethodInfo、PropertyInfo、FieldInfo
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// 同时 也支持 MethodInfo、PropertyInfo、FieldInfo
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")]
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#endif
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public static bool HasAttribute<T>(this Type type, bool inherit = false) where T : Attribute
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{
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return type.GetCustomAttributes(typeof(T), inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute(this Type type, Type attributeType, bool inherit = false)
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{
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return type.GetCustomAttributes(attributeType, inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute<T>(this PropertyInfo prop, bool inherit = false) where T : Attribute
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{
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return prop.GetCustomAttributes(typeof(T), inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute(this PropertyInfo prop, Type attributeType, bool inherit = false)
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{
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return prop.GetCustomAttributes(attributeType, inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute<T>(this FieldInfo field, bool inherit = false) where T : Attribute
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{
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return field.GetCustomAttributes(typeof(T), inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute(this FieldInfo field, Type attributeType, bool inherit)
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{
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return field.GetCustomAttributes(attributeType, inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute<T>(this MethodInfo method, bool inherit = false) where T : Attribute
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{
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return method.GetCustomAttributes(typeof(T), inherit).Any();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("检查是否有指定的 Attribute")]
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[APIDescriptionEN("Check whether the specified Attribute exists")]
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#endif
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public static bool HasAttribute(this MethodInfo method, Type attributeType, bool inherit = false)
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{
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return method.GetCustomAttributes(attributeType, inherit).Any();
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}
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#if UNITY_EDITOR
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// v1 No.35
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[MethodAPI]
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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[APIExampleCode(@"
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[DisplayName(""A Class"")
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class A
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{
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[DisplayName(""A Number"")
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public int Number;
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[DisplayName(""Is Complete?"")
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private bool Complete => Number > 100;
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[DisplayName(""Say complete result?"")
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public void SayComplete()
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{
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Debug.Log(Complete);
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}
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}
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var aType = typeof(A);
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//
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Debug.Log(aType.GetAttribute(typeof(DisplayNameAttribute));
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// DisplayNameAttribute
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Debug.Log(aType.GetAttribute<DisplayNameAttribute>());
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// DisplayNameAttribute
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// also support MethodInfo、PropertyInfo、FieldInfo
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// 同时 也支持 MethodInfo、PropertyInfo、FieldInfo
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")]
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#endif
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public static T GetAttribute<T>(this Type type, bool inherit = false) where T : Attribute
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{
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return type.GetCustomAttributes<T>(inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static object GetAttribute(this Type type, Type attributeType, bool inherit = false)
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{
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return type.GetCustomAttributes(attributeType, inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static T GetAttribute<T>(this MethodInfo method, bool inherit = false) where T : Attribute
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{
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return method.GetCustomAttributes<T>(inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static object GetAttribute(this MethodInfo method, Type attributeType, bool inherit = false)
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{
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return method.GetCustomAttributes(attributeType, inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static T GetAttribute<T>(this FieldInfo field, bool inherit = false) where T : Attribute
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{
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return field.GetCustomAttributes<T>(inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static object GetAttribute(this FieldInfo field, Type attributeType, bool inherit = false)
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{
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return field.GetCustomAttributes(attributeType, inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static T GetAttribute<T>(this PropertyInfo prop, bool inherit = false) where T : Attribute
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{
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return prop.GetCustomAttributes<T>(inherit).FirstOrDefault();
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}
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#if UNITY_EDITOR
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[APIDescriptionCN("获取指定的 Attribute")]
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[APIDescriptionEN("Gets the specified Attribute")]
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#endif
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public static object GetAttribute(this PropertyInfo prop, Type attributeType, bool inherit = false)
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{
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return prop.GetCustomAttributes(attributeType, inherit).FirstOrDefault();
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}
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}
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}
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