无限极树形结构

java类

public class Node {
    private int id;
    private String name;
    private int pid;

    public Node() {
    }

    public Node(int id, String name, int pid) {
        this.id = id;
        this.name = name;
        this.pid = pid;
    }
    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getPid() {
        return pid;
    }

    public void setPid(int pid) {
        this.pid = pid;
    }
}

生成无线级结构

 public class Treeuser {
        public static Map mapArray = new LinkedHashMap();
        public List menuCommon;
        public List