el-tree設置導航樹選中狀態

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

// 設置導航樹節點選中
setTreeSelectNodeByKey (nodeKey) {
  // 延遲幾秒執行
  setTimeout(function () {
    that.$nextTick(() => {
      that.currentSelectNodeKey = nodeKey
      that.setTreeCurrentKey(nodeKey)
    })
  }, 1000)
}