content: package org.superboot.utils;
  
  /**
   * <b> 树节点 </b>
   * <p>
   * 功能描述:
   * </p>
   */
  public class Node {
  
      /**
       * 节点主键
       */
      public String id;
      /**
       * 节点编码
       */
      public String code;
      /**
       * 节点内容
       */
      public String name;
      /**
       * 父节点主键
       */
      public String parentId;
  
      /**
       * 孩子节点列表
       */
      private Children children = new Children();
  
  
      /**
       * 兄弟节点横向排序
       */
      public void sortChildren() {
          if (children != null && children.getSize() != 0) {
              children.sortChildren();
          }
      }
  
      /**
       * 添加子节点
       *
       * @param node
       */
      public void addChild(Node node) {
          this.children.addChild(node);
      }
  
  
      /**
       * 先序遍历，拼接JSON字符串
       *
       * @return
       */
      @Override
      public String toString() {
          String result = "{"
                  + "'id' : '" + id + "'"
                  + ", 'code' : '" + code + "'"
                  + ", 'name' : '" + name + "'"
                  + ", 'parentId' : '" + parentId + "'";
  
          if (children != null && children.getSize() != 0) {
              result += ", 'children' : " + children.toString();
          } else {
              result += ", ";
          }
  
          return result + "}";
      }
  }
  