elementui tree展开指定结点_sou_vyp的博客_elementui tree展开指定节点

<el-tree :data="data" ref="tree" node-key="id" :default-expanded-key="idArr"></el-tree>

data() {
    return: {
        data: [{id:1},{id:2}],
        idArr: []   
    },
    created() {
        data.forEach(row => {
            idArr.push(row.id)
        })
    }
}<el-tree :data="data" ref="tree" node-key="id"