递归生成树形结构

原文地址：https://blog.csdn.net/q13965211/article/details/80772544

节点树树形结构

Tree 结构

import java.util.List;
 
/**
 * @Author fanwei
 * @date 2018-6-13 17:04
 */
public class TreeNode {
    private Integer key;
    private String title;
    private Integer parentId;
    private List<TreeNode> children;
 
    public Integer getKey() {
        return key;
    }
 
    public String getTitle() {
        return title;
    }
 
    public Integer getParentId() {
        return parentId;
    }
 
    public void setParentId(Integer parentId) {
        this.parentId = parentId;
    }
 
    public void setTitle(String title) {
        this.title = title;
    }
 
    public void setKey(Integer key) {
        this.key = key;
    }
 
 
    public List<TreeNode> getChildren() {
        return children;
    }
 
    public void setChildren(List<TreeNode> children) {
        this.children = children;
    }
}

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