feat(extension/crud): 新增 Api.BATCH_DELETE 批量删除枚举，拆分单个删除和批量删除接口

continew-starter-data/continew-starter-data-mp/src/main/java/top/continew/starter/data/mp/mapper/BaseMapper.java

@@ -0,0 +1,112 @@
+/*
+ * 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.continew.starter.data.mp.mapper;
+
+import cn.hutool.core.util.ClassUtil;
+import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
+import com.baomidou.mybatisplus.extension.conditions.query.QueryChainWrapper;
+import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
+import com.baomidou.mybatisplus.extension.conditions.update.UpdateChainWrapper;
+import com.baomidou.mybatisplus.extension.toolkit.ChainWrappers;
+import com.baomidou.mybatisplus.extension.toolkit.Db;
+
+import java.util.Collection;
+
+/**
+ * Mapper 基类
+ *
+ * @param <T> 实体类
+ * @author Charles7c
+ * @since 1.0.0
+ */
+public interface BaseMapper<T> extends com.baomidou.mybatisplus.core.mapper.BaseMapper<T> {
+
+    /**
+     * 批量插入记录
+     *
+     * @param entityList 实体列表
+     * @return 是否成功
+     */
+    default boolean insertBatch(Collection<T> entityList) {
+        return Db.saveBatch(entityList);
+    }
+
+    /**
+     * 批量更新记录
+     *
+     * @param entityList 实体列表
+     * @return 是否成功
+     */
+    default boolean updateBatchById(Collection<T> entityList) {
+        return Db.updateBatchById(entityList);
+    }
+
+    /**
+     * 链式查询
+     *
+     * @return QueryWrapper 的包装类
+     */
+    default QueryChainWrapper<T> query() {
+        return ChainWrappers.queryChain(this);
+    }
+
+    /**
+     * 链式查询（lambda 式）
+     *
+     * @return LambdaQueryWrapper 的包装类
+     */
+    default LambdaQueryChainWrapper<T> lambdaQuery() {
+        return ChainWrappers.lambdaQueryChain(this, this.currentEntityClass());
+    }
+
+    /**
+     * 链式查询（lambda 式）
+     *
+     * @param entity 实体对象
+     * @return LambdaQueryWrapper 的包装类
+     */
+    default LambdaQueryChainWrapper<T> lambdaQuery(T entity) {
+        return ChainWrappers.lambdaQueryChain(this, entity);
+    }
+
+    /**
+     * 链式更改
+     *
+     * @return UpdateWrapper 的包装类
+     */
+    default UpdateChainWrapper<T> update() {
+        return ChainWrappers.updateChain(this);
+    }
+
+    /**
+     * 链式更改（lambda 式）
+     *
+     * @return LambdaUpdateWrapper 的包装类
+     */
+    default LambdaUpdateChainWrapper<T> lambdaUpdate() {
+        return ChainWrappers.lambdaUpdateChain(this);
+    }
+
+    /**
+     * 获取实体类 Class 对象
+     *
+     * @return 实体类 Class 对象
+     */
+    default Class<T> currentEntityClass() {
+        return (Class<T>)ClassUtil.getTypeArgument(this.getClass(), 0);
+    }
+}