vue动态添加js

    // 动态添加js
    export function addJs(url) {
      return new Promise((resolve, reject) => {
        const script = document.createElement('script')
        script.src = url
        script.type = 'text/javascript'
        document.body.appendChild(script)
        script.onload = () => {
          resolve()
        }
      })
    }
  // 使用
  import { addJs} from "@/utils/utils"
  addJs("https://map.qq.com/api/gljs?v=1.exp&key="+this.gd.mapKey)
  .then(() => {
    this.initMap();
  })
  .finally(() => {})