update 优化流程查询以及多根节点构建树结构

ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/TreeBuildUtils.java

@@ -10,7 +10,6 @@ import lombok.NoArgsConstructor;
 import org.dromara.common.core.utils.reflect.ReflectUtils;
 
 import java.util.List;
-import java.util.Objects;
 import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
@@ -79,17 +78,10 @@ public class TreeBuildUtils extends TreeUtil {
             return CollUtil.newArrayList();
         }
 
-        // 提取所有节点 ID，用于后续判断哪些节点为根节点（即 parentId 不在其中）
-        Set<K> allIds = StreamUtils.toSet(list, getId);
+        Set<K> rootParentIds = StreamUtils.toSet(list, getParentId);
+        rootParentIds.removeAll(StreamUtils.toSet(list, getId));
 
-        // 筛选出所有 parentId 不在 allIds 中的节点，这些节点的 parentId 可认为是根节点
-        Set<K> rootParentIds = list.stream()
-            .map(getParentId)
-            .filter(Objects::nonNull)
-            .filter(pid -> !allIds.contains(pid))
-            .collect(Collectors.toSet());
-
-        // 使用流处理，遍历每个顶级 parentId，构建对应树，并合并为一个列表返回
+        // 构建每一个根 parentId 下的树，并合并成最终结果列表
         return rootParentIds.stream()
             .flatMap(rootParentId -> TreeUtil.build(list, rootParentId, parser).stream())
             .collect(Collectors.toList());

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/domain/vo/FlowCategoryVo.java

@@ -4,14 +4,13 @@ import cn.idev.excel.annotation.ExcelIgnoreUnannotated;
 import cn.idev.excel.annotation.ExcelProperty;
 import io.github.linpeilie.annotations.AutoMapper;
 import lombok.Data;
+import org.dromara.common.translation.annotation.Translation;
+import org.dromara.workflow.common.constant.FlowConstant;
 import org.dromara.workflow.domain.FlowCategory;
 
 import java.io.Serial;
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.Date;
-import java.util.List;
-
 
 /**
  * 流程分类视图对象 wf_category
@@ -34,13 +33,14 @@ public class FlowCategoryVo implements Serializable {
     private Long categoryId;
 
     /**
-     * 父级id
+     * 父级分类id
      */
     private Long parentId;
 
     /**
-     * 父类别名称
+     * 父级分类名称
      */
+    @Translation(type = FlowConstant.CATEGORY_ID_TO_NAME, mapper = "parentId")
     private String parentName;
 
     /**
@@ -66,9 +66,4 @@ public class FlowCategoryVo implements Serializable {
     @ExcelProperty(value = "创建时间")
     private Date createTime;
 
-    /**
-     * 子菜单
-     */
-    private List<FlowCategoryVo> children = new ArrayList<>();
-
 }

ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwCategoryServiceImpl.java

@@ -8,7 +8,10 @@ import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import lombok.RequiredArgsConstructor;
 import org.dromara.common.core.constant.SystemConstants;
 import org.dromara.common.core.exception.ServiceException;
-import org.dromara.common.core.utils.*;
+import org.dromara.common.core.utils.MapstructUtils;
+import org.dromara.common.core.utils.ObjectUtils;
+import org.dromara.common.core.utils.StringUtils;
+import org.dromara.common.core.utils.TreeBuildUtils;
 import org.dromara.common.mybatis.helper.DataBaseHelper;
 import org.dromara.common.satoken.utils.LoginHelper;
 import org.dromara.warm.flow.core.service.DefService;
@@ -48,14 +51,7 @@ public class FlwCategoryServiceImpl implements IFlwCategoryService {
      */
     @Override
     public FlowCategoryVo queryById(Long categoryId) {
-        FlowCategoryVo category = baseMapper.selectVoById(categoryId);
-        if (ObjectUtil.isNull(category)) {
-            return null;
-        }
-        FlowCategoryVo parentCategory = baseMapper.selectVoOne(new LambdaQueryWrapper<FlowCategory>()
-            .select(FlowCategory::getCategoryName).eq(FlowCategory::getCategoryId, category.getParentId()));
-        category.setParentName(ObjectUtils.notNullGetter(parentCategory, FlowCategoryVo::getCategoryName));
-        return category;
+        return baseMapper.selectVoById(categoryId);
     }
 
     /**