1. 树的简单遍历思路及写法
①数据准备
Menu实体类
/**
* @date: 2022/7/25
* @FileName: Menu
* @author: Yan
* @Des:
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Menu {
private Integer id;
private String name;
private Integer parentId;
private List<Menu> children;
public Menu(Integer id, String name, Integer parentId) {
this.id = id;
this.name = name;
this.parentId = parentId;
}
}
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