From ed27c637b2042304606e8f74e73071ce31e72ec3 Mon Sep 17 00:00:00 2001
From: zwm <2076229520@qq.com>
Date: Thu, 20 Nov 2025 23:18:42 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E8=A7=A3=E5=86=B3TypeUtil.getClass?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95=E4=BC=A0=E5=85=A5=E6=B3=9B=E5=9E=8B=E6=95=B0?=
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---
 .../java/cn/hutool/core/util/TypeUtil.java    |  6 ++++
 .../cn/hutool/core/util/TypeUtilTest.java     | 33 +++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/util/TypeUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/TypeUtil.java
index 4eaedb023..998e734f0 100755
--- a/hutool-core/src/main/java/cn/hutool/core/util/TypeUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/TypeUtil.java
@@ -34,6 +34,12 @@ public class TypeUtil {
 				return (Class<?>) type;
 			} else if (type instanceof ParameterizedType) {
 				return (Class<?>) ((ParameterizedType) type).getRawType();
+			} else if (type instanceof GenericArrayType) {
+				final Type componentType = ((GenericArrayType) type).getGenericComponentType();
+				final Class<?> componentClass = getClass(componentType);
+				if (componentClass != null) {
+					return Array.newInstance(componentClass, 0).getClass();
+				}
 			} else if (type instanceof TypeVariable) {
 				Type[] bounds = ((TypeVariable<?>) type).getBounds();
 				if (bounds.length == 1) {
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/TypeUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/TypeUtilTest.java
index 42a7e5665..289d0f224 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/TypeUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/TypeUtilTest.java
@@ -1,5 +1,7 @@
 package cn.hutool.core.util;
 
+import java.lang.reflect.Array;
+import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
@@ -47,6 +49,37 @@ public class TypeUtilTest {
 		assertEquals(Object.class, clazz);
 	}
 
+	/**
+	 * 测试getClass方法对泛型数组类型T[]的处理
+	 * 验证未绑定泛型参数的数组类型会被正确解析为Object[]
+	 */
+	@Test
+	public void getClassForGenericArrayTypeTest() throws NoSuchFieldException {
+		// 获取T[]类型字段的泛型类型
+		Field levelField = GenericArray.class.getDeclaredField("level");
+		Type genericArrayType = levelField.getGenericType();
+		// 调用getClass方法处理GenericArrayType
+		Class<?> clazz = TypeUtil.getClass(genericArrayType);
+		// 验证返回Object[]类型
+		assertNotNull(clazz, "getClass方法返回null");
+		assertTrue(clazz.isArray(), "返回类型不是数组");
+		assertEquals(Object.class, clazz.getComponentType(), "数组组件类型应为Object");
+	}
+
+	/**
+	 * 测试getClass方法对参数化类型数组List<String>[]的处理
+	 * 验证数组组件类型能正确解析为原始类型
+	 */
+	@Test
+	public void getClassForParameterizedArrayTypeTest() {
+		// 创建List<String>[]类型引用
+		Type genericArrayType = new TypeReference<List<String>[]>() {}.getType();
+		// 调用getClass方法处理GenericArrayType
+		Class<?> clazz = TypeUtil.getClass(genericArrayType);
+		// 验证返回List[]类型
+		assertEquals(Array.newInstance(List.class, 0).getClass(), clazz);
+	}
+
 	public static class TestClass {
 		public List<String> getList() {
 			return new ArrayList<>();