TreeUtil (lamp-core 5.0.4 API)

java.lang.Object

top.tangyh.basic.utils.TreeUtil

public final class TreeUtil extends Object

list列表转换成tree列表 Created by Ace on 2017/6/12.

作者:: zuihou

字段概要

字段

修饰符和类型

字段

说明

static final Long

DEF_PARENT_ID

默认的父id

static final String

TREE_SPLIT

默认的树节点分隔符
方法概要

修饰符和类型

方法

说明

static <E extends TreeEntity<E, ? extends Serializable>> List<E>

buildTree(Collection<E> treeList)

构建Tree结构

static String

buildTreePath(Long id)

static Long

getTopNodeId(String treePath)

static String

getTreePath(String parentTreePath, Long parentId)

static boolean

isRoot(Long id)

判断id是否为根节点

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料
- TREE_SPLIT
  
  public static final String TREE_SPLIT
  
  默认的树节点分隔符
  另请参阅:
  
  常量字段值
- DEF_PARENT_ID
  
  public static final Long DEF_PARENT_ID
  
  默认的父id
方法详细资料
- getTreePath
  
  public static String getTreePath(String parentTreePath, Long parentId)
- buildTreePath
  
  public static String buildTreePath(Long id)
- isRoot
  
  public static boolean isRoot(Long id)
  
  判断id是否为根节点
  
  参数:
  
  id -
  
  返回:
- buildTree
  
  public static <E extends TreeEntity<E, ? extends Serializable>> List<E> buildTree(Collection<E> treeList)
  
  构建Tree结构
  
  参数:
  
  treeList - 待转换的集合
  
  返回:
  
  树结构
- getTopNodeId
  
  public static Long getTopNodeId(String treePath)