| 提交 | 用户 | 时间 | ||
| 722af2 | 1 | package com.dl.common.utils; |
| X | 2 | |
| 3 | import cn.hutool.core.collection.CollUtil; | |
| 4 | import cn.hutool.core.lang.tree.Tree; | |
| 5 | import cn.hutool.core.lang.tree.TreeNodeConfig; | |
| 6 | import cn.hutool.core.lang.tree.TreeUtil; | |
| 7 | import cn.hutool.core.lang.tree.parser.NodeParser; | |
| 8 | import com.dl.common.utils.reflect.ReflectUtils; | |
| 9 | import lombok.AccessLevel; | |
| 10 | import lombok.NoArgsConstructor; | |
| 11 | ||
| 12 | import java.util.List; | |
| 13 | ||
| 14 | /** | |
| 15 | * 扩展 hutool TreeUtil 封装系统树构建 | |
| 16 | * | |
| 17 | * @author Lion Li | |
| 18 | */ | |
| 19 | @NoArgsConstructor(access = AccessLevel.PRIVATE) | |
| 20 | public class TreeBuildUtils extends TreeUtil { | |
| 21 | ||
| 22 | /** | |
| 23 | * 根据前端定制差异化字段 | |
| 24 | */ | |
| 25 | public static final TreeNodeConfig DEFAULT_CONFIG = TreeNodeConfig.DEFAULT_CONFIG.setNameKey("label"); | |
| 26 | ||
| 27 | public static <T, K> List<Tree<K>> build(List<T> list, NodeParser<T, K> nodeParser) { | |
| 28 | if (CollUtil.isEmpty(list)) { | |
| 29 | return null; | |
| 30 | } | |
| 31 | K k = ReflectUtils.invokeGetter(list.get(0), "parentId"); | |
| 32 | return TreeUtil.build(list, k, DEFAULT_CONFIG, nodeParser); | |
| 33 | } | |
| 34 | ||
| 35 | } | |
