From de0ef4e5ff31dd167f04e4dc29442e582042053f Mon Sep 17 00:00:00 2001
From: kfyty <kfyty725@hotmail.com>
Date: Wed, 25 Nov 2020 18:39:19 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=88=B7=E6=96=B0=E6=B3=A8?=
 =?UTF-8?q?=E8=A7=A3=E7=9A=84=E5=B1=9E=E6=80=A7=E5=80=BC=E7=9A=84=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../core/annotation/AnnotationUtil.java       | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/annotation/AnnotationUtil.java b/hutool-core/src/main/java/cn/hutool/core/annotation/AnnotationUtil.java
index ad07b7f73..32e3571c0 100644
--- a/hutool-core/src/main/java/cn/hutool/core/annotation/AnnotationUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/annotation/AnnotationUtil.java
@@ -12,7 +12,10 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 import java.lang.reflect.AnnotatedElement;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationHandler;
 import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -200,4 +203,22 @@ public class AnnotationUtil {
 	public static boolean isInherited(Class<? extends Annotation> annotationType) {
 		return annotationType.isAnnotationPresent(Inherited.class);
 	}
+
+	/**
+	 * 刷新注解的属性值
+	 * @param annotation 注解对象
+	 * @param annotationField 注解属性名称
+	 * @param value 要更新的属性值
+	 * @throws Exception 可能出现的异常(一般情况下不会发生)
+	 */
+	public static void refreshAnnotationValue(Annotation annotation, String annotationField, Object value) throws Exception {
+		InvocationHandler invocationHandler = Proxy.getInvocationHandler(annotation);
+		Field field = invocationHandler.getClass().getDeclaredField("memberValues");
+		boolean accessible = field.isAccessible();
+		field.setAccessible(true);
+		@SuppressWarnings("unchecked")
+		Map<Object, Object> memberValues = (Map<Object, Object>) field.get(invocationHandler);
+		memberValues.put(annotationField, value);
+		field.setAccessible(accessible);
+	}
 }