feat: 添加 @ViewObject 注解标记 VO 类。

mybatis-flex-annotation/src/main/java/com/mybatisflex/annotation/ViewObject.java

@@ -0,0 +1,48 @@
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <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 com.mybatisflex.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * VO（View Object）类。
+ *
+ * @author 王帅
+ * @since 2024-04-02
+ */
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ViewObject {
+
+    /**
+     * 对应的 <b>实体类</b> 引用。
+     *
+     * @return 实体类引用
+     */
+    Class<?> ref();
+
+    /**
+     * 是否复制引用类 {@code @Table} 注解上的内容，默认为：{@code true}。
+     *
+     * @return 是否复制属性
+     */
+    boolean copyTableProps() default true;
+
+}