java实现遍历树形菜单方法——实体类VoteTree

package org.entity;
import java.util.ArrayList;
import java.util.List;
/**
 * 
*    
* 项目名称：testTree   
* 类名称：VoteTree   
* 类描述：   树形菜单实体类
* 创建人：Mu Xiongxiong  
* 创建时间：2017-5-23 下午6:18:29   
* 修改人：Mu Xiongxiong   
* 修改时间：2017-5-23 下午6:18:29   
* 修改备注：   
* @version    
*
 */
public class VoteTree implements java.io.Serializable {
  // Fields
  /**
  * @Fields id : 编号
  */
  private Long id;
  /**
  * @Fields text : 文字
  */
  private String text;
  /**
  * @Fields pid :父目录的id
  */
  private Long pid;
  /**
  * @Fields levels : 所在级别
  */
  private Long levels;
  /**
  * @Fields children : 子节点集合
  */
  private List children = new ArrayList();
  // Constructors
  /** minimal constructor */
  public VoteTree(Long id, String text) {
    this.id = id;
    this.text = text;
  }
  /** full constructor */
  public VoteTree(Long id, String text, Long pid) {
    this.id = id;
    this.text = text;
    this.pid = pid;
  }
  // Property accessors
  public Long getId() {
    return this.id;
  }
  public void setId(Long id) {
    this.id = id;
  }
  public String getText() {
    return this.text;
  }
  public void setText(String text) {
    this.text = text;
  }
  public Long getPid() {
    return this.pid;
  }
  public void setPid(Long pid) {
    this.pid = pid;
  }
  public List getChildren() {
    return children;
  }
  public void setChildren(List children) {
    this.children = children;
  }
  public VoteTree(Long id, String text, Long pid, List children) {
    super();
    this.id = id;
    this.text = text;
    this.pid = pid;
    this.children = children;
  }
  public VoteTree() {
    super();
  }
  public Long getLevels() {
    return levels;
  }
  public void setLevels(Long levels) {
    this.levels = levels;
  }
}