修复TypeUtil.getTypeArgument对实现接口获取不全面问题

hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java

@@ -1130,18 +1130,6 @@ public class DateUtilTest {
 		Assert.assertEquals("2021-03-17 06:31:33", dateTime3.toString());
 	}
 
-	/**
-	 * issue#I6E6ZG 法定年龄/周岁/实岁计算
-	 */
-	@Test
-	public void ageOfNowTest() {
-		final DateTime concurrentDate = DateUtil.date();
-		final DateTime birthDay = DateUtil.offset(concurrentDate, DateField.YEAR, -71);
-		Assert.assertEquals(70, DateUtil.ageOfNow(birthDay));
-		Assert.assertEquals(71, DateUtil.ageOfNow(DateUtil.offsetDay(birthDay, -1)));
-		Assert.assertEquals(0, DateUtil.ageOfNow(concurrentDate));
-	}
-
 	@Test
 	public void calendarTest() {
 		final Date date = DateUtil.date();

hutool-core/src/test/java/cn/hutool/core/util/IssueI7CRIWTest.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2023 looly(loolly@aliyun.com)
+ * Hutool is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *          http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+package cn.hutool.core.util;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.lang.reflect.Type;
+
+public class IssueI7CRIWTest {
+	@Test
+	public void getTypeArgumentsTest() {
+		// 无法从继承获取泛型，则从接口获取
+		Type type = TypeUtil.getTypeArgument(C.class);
+		Assert.assertEquals(type, String.class);
+
+		// 继承和第一个接口都非泛型接口，则从找到的第一个泛型接口获取
+		type = TypeUtil.getTypeArgument(D.class);
+		Assert.assertEquals(type, String.class);
+	}
+
+	static class A{
+
+	}
+
+	static class AT<T>{
+
+	}
+
+	interface Face1<T>{
+
+	}
+
+	interface Face2{
+
+	}
+
+	static class B extends A{
+
+	}
+
+	static class C extends A implements Face1<String>{
+
+	}
+
+	static class D extends A implements Face2, Face1<String>{
+
+	}
+}