樹結構轉換

let data=[ {pid:'',name:'父節點1',id:1}, {pid:'',name:'父節點2',id:2}, {pid:1,name:'父節點1-字節點1',id:3}, {pid:1,name:'父節點1-字節點2',id:4}, {pid:2,name:'

>>阅读原文<<