加载第三方插件处理(高德地图为例)

remoteLoad.js

export default function remoteLoad (url, hasCallback) {
  return createScript(url)
  /**
   * 创建script
   * @param url
   * @returns {Promise}
   */
  function createScript (url) {
    console.log(url, '地址')
    let scriptElement = document.createElement('script')
    document.body.appendChild(scriptElement)
    let promise = new Promise((resolve, reject) => {
      scriptElement.addEventListener('load', e => {
        removeScript(scriptElement)
        if (!hasCallback) {
          resolve(e)
        }
      }, false)

      scriptElement.addEventListener('error', e => {
        removeScript(scriptElement)
        reject(e)
      }, false)

      if (hasCallback) {
        window.____callback____ = function () {
          resolve()
          window.____callback____ = null
        }
      }
    })

    if (hasCallback) {
      url += '&callback=____callback____'
    }

    scriptElement.src = url

    return promise
  }

  /**
   * 移除script标签
   * @param scriptElement script dom
   */
  function removeScript (scriptElement) {
    document.body.removeChild(scriptElement)
  }
}

map.vue

import remoteLoad from '@/utils/remoteLoad.js'

async created () {
      // 已载入高德地图API,则直接初始化地图
      if (window.AMap && window.AMapUI) {
            this.main() // 此函数是加载map等初始化处理
            // 未载入高德地图API,则先载入API再初始化
      } else {
            await remoteLoad(`https://webapi.amap.com/maps?v=1.4.15&key=${this.MapKey}`) // MapKey只是你的key值
            await remoteLoad('http://webapi.amap.com/loca?v=1.3.2&key=' + this.MapKey)
            await remoteLoad('http://a.amap.com/Loca/static/mock/districts.js')
            this.main()
      }
}
原文地址:https://www.cnblogs.com/AdolphWilliam/p/14376794.html