构造树结构数据

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const getTree = React.useCallback((map: Map<any, any>, parent_id?: any,    
 data?: any[]) => {
       if (!data) return [];
        
       return data.filter(e => e.parent_id === parent_id).map(e => {
           const item = {
               title: e.name,
               key: e.id,
               children: getTree(map, e.id, data)
           }
           map.set(item.key, item);
           return item;
       })
   }, []);   

  

posted @   zhaoyzml  阅读(12)  评论(0编辑  收藏  举报
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