标签：blog class code java int get
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90 |
/** * */package
com.test.controller;import java.util.ArrayList;import java.util.List;/** * @author ST2014-12 * */public
class FindAllChildren { List<Long> childrenIdList=new
ArrayList<Long>(); static
List<Node> nodeList=new
ArrayList<Node>(); public
static void main(String[] args) { Node node1 = new
Node(1l, "蔬菜", 0l); Node node2 = new
Node(2l, "水产", 0l); Node node3 = new
Node(3l, "畜牧", 0l); Node node4 = new
Node(4l, "瓜类", 1l); Node node5 = new
Node(5l, "叶类", 1l); Node node6 = new
Node(6l, "丝瓜", 4l); Node node7 = new
Node(7l, "黄瓜", 4l); Node node8 = new
Node(8l, "白菜", 5l); Node node9 = new
Node(9l, "虾", 2l); Node node10 = new
Node(10l, "鱼", 2l); Node node11 = new
Node(11l, "牛", 3l); nodeList.add(node1); nodeList.add(node2); nodeList.add(node3); nodeList.add(node4); nodeList.add(node5); nodeList.add(node6); nodeList.add(node7); nodeList.add(node8); nodeList.add(node9); nodeList.add(node10); nodeList.add(node11); FindAllChildren queryCh=new
FindAllChildren(); System.out.println(queryCh.getChildrenId(2l)); } private
String getChildrenId(long
level) { // TODO Auto-generated method stub List<Node> childrenList=getChildrenList(level); //遍历子节点列表 queryChildrenList(childrenList); return
childrenIdList.toString(); } //递归获取每个节点下子节点 void
queryChildrenList(List<Node> childrenList){ for(Node n : childrenList){ //遍历列表中每个节点 List<Node>chilList= getChildrenList(n.getId());//获取每个节点的子节点列表 queryChildrenList(chilList); } }; //遍历全列表 查询所传id 下的子节点 private
List<Node> getChildrenList(Long level) { List<Node> childrenList=new
ArrayList<Node>();//获取该节点的子节点列表 // TODO Auto-generated method stub for(Node n : nodeList){ if(n.getParentId()==level){ childrenList.add(n); childrenIdList.add(n.getId()); } } return
childrenList; } } |
标签：blog class code java int get
原文地址：http://www.cnblogs.com/dingding0505/p/3715965.html
