add 增加demo模块 树表演示案例(包含数据权限)

ruoyi-demo/src/main/java/com/ruoyi/demo/service/impl/TestTreeServiceImpl.java

@@ -0,0 +1,84 @@
+package com.ruoyi.demo.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.ruoyi.common.annotation.DataScope;
+import com.ruoyi.demo.bo.TestTreeAddBo;
+import com.ruoyi.demo.bo.TestTreeEditBo;
+import com.ruoyi.demo.bo.TestTreeQueryBo;
+import com.ruoyi.demo.domain.TestTree;
+import com.ruoyi.demo.mapper.TestTreeMapper;
+import com.ruoyi.demo.service.ITestTreeService;
+import com.ruoyi.demo.vo.TestTreeVo;
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 测试树表Service业务层处理
+ *
+ * @author Lion Li
+ * @date 2021-05-30
+ */
+@Service
+public class TestTreeServiceImpl extends ServiceImpl<TestTreeMapper, TestTree> implements ITestTreeService {
+
+	@Override
+	public TestTreeVo queryById(Long id) {
+		return getVoById(id, TestTreeVo.class);
+	}
+
+	@DataScope(isUser = true)
+	@Override
+	public List<TestTreeVo> queryList(TestTreeQueryBo bo) {
+		return listVo(buildQueryWrapper(bo), TestTreeVo.class);
+	}
+
+	private LambdaQueryWrapper<TestTree> buildQueryWrapper(TestTreeQueryBo bo) {
+		Map<String, Object> params = bo.getParams();
+		Object dataScope = params.get("dataScope");
+		LambdaQueryWrapper<TestTree> lqw = Wrappers.lambdaQuery();
+		lqw.like(StrUtil.isNotBlank(bo.getTreeName()), TestTree::getTreeName, bo.getTreeName());
+		lqw.between(params.get("beginCreateTime") != null && params.get("endCreateTime") != null,
+			TestTree::getCreateTime, params.get("beginCreateTime"), params.get("endCreateTime"));
+		lqw.apply(dataScope != null && StrUtil.isNotBlank(dataScope.toString()),
+			dataScope != null ? dataScope.toString() : null);
+		return lqw;
+	}
+
+	@Override
+	public Boolean insertByAddBo(TestTreeAddBo bo) {
+		TestTree add = BeanUtil.toBean(bo, TestTree.class);
+		validEntityBeforeSave(add);
+		return save(add);
+	}
+
+	@Override
+	public Boolean updateByEditBo(TestTreeEditBo bo) {
+		TestTree update = BeanUtil.toBean(bo, TestTree.class);
+		validEntityBeforeSave(update);
+		return updateById(update);
+	}
+
+	/**
+	 * 保存前的数据校验
+	 *
+	 * @param entity 实体类数据
+	 */
+	private void validEntityBeforeSave(TestTree entity) {
+		//TODO 做一些数据校验,如唯一约束
+	}
+
+	@Override
+	public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
+		if (isValid) {
+			//TODO 做一些业务上的校验,判断是否需要校验
+		}
+		return removeByIds(ids);
+	}
+}