perf(extension/crud): 优化 BaseServiceImpl 中获取各泛型参数类型的方式

continew-starter-core/src/main/java/top/charles7c/continew/starter/core/util/ClassUtils.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.continew.starter.core.util;
+
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.TypeUtil;
+
+import java.lang.reflect.Type;
+
+/**
+ * 类工具类
+ *
+ * @author Charles7c
+ * @since 1.1.1
+ */
+public class ClassUtils {
+
+    /**
+     * 获得给定类的所有泛型参数
+     *
+     * @param clazz 被检查的类，必须是已经确定泛型类型的类
+     * @return {@link Class}[]
+     */
+    public static Class<?>[] getTypeArguments(Class<?> clazz) {
+        final Type[] typeArguments = TypeUtil.getTypeArguments(clazz);
+        if (ArrayUtil.isEmpty(typeArguments)) {
+            return new Class[0];
+        }
+        final Class<?>[] classes = new Class<?>[typeArguments.length];
+        for (int i = 0; i < typeArguments.length; i++) {
+            classes[i] = TypeUtil.getClass(typeArguments[i]);
+        }
+        return classes;
+    }
+}