el-tree设置导航树选中状态

setTreeCurrentKey (nodeKey) {
  if (nodeKey) {
    that.$refs.devTree.setCurrentKey(nodeKey)
  } else {
    that.$refs.devTree.setCurrentKey(null)
  }
  document.querySelector('.is-current')
},

// 设置导航树节点选中
setTreeSelectNodeByKey (nodeKey) {
  // 延迟几秒执行
  setTimeout(function () {
    that.$nextTick(() => {
      that.currentSelectNodeKey = nodeKey
      that.setTreeCurrentKey(nodeKey)
    })
  }, 1000)
}