递归生成树代码,Java代码库,德仔网

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【Java】递归生成树

作者:东昌 / 发布于2016/7/11/ 895

public class BuiTreeEntity {
     
    private String id ;
    private String text ;
    private String type ;
    private List<BuiTreeEntity> children ;
     
    private static int depth = 5 ;
     
    private static int length = 2 ;
     
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }
    public String getText() {
        return text;
    }
    public void setText(String text) {
        this.text = text;
    }
    public String getType() {
        return type;
    }
    public void setType(String type) {
        this.type = type;
    }
    public List<BuiTreeEntity> getChildren() {
        return children;
    }
    public void setChildren(List<BuiTreeEntity> children) {
        this.children = children;
    }
     
    public static BuiTreeEntity genTree(int i,BuiTreeEntity entity){
        if(i<depth){
            List<BuiTreeEntity>  ls = new ArrayList<BuiTreeEntity>();
            for (int j = 0; j < length; j++) {
                BuiTreeEntity obj = new BuiTreeEntity();
                obj.setId("id"+j);
                obj.setText("text"+j);
                obj.setType("type"+j);
                genTree(i+1,obj);
                ls.add(obj);
            }
            entity.setId("rr");
            entity.setText("22");
            entity.setType("444");
            entity.setChildren(ls);
        }else{
            entity.setId("idd");
            entity.setText("textv");
            entity.setType("setType");
        }
        return entity;
    }
     
    public static void main(String[] args) {
         
        BuiTreeEntity entity = genTree(1,new BuiTreeEntity());
         
        System.out.println(JsonMapper.toJsonString(entity));
    }
     
     
}

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