vue_h5_tools/src/site_pre_load.js

vue h5 开发小工具

import utils from './utils'
import Vue from 'vue'
let imgList=[]

function loadImgs(){
  let proList = []
  let total = 0
  let loaded = 0
  imgList = Vue.$h5.site_images_array
  for(var i=0; i<imgList.length; i++ ){
    let pro = new Promise((resolve, reject) => {
      let img = new Image()
      img.onload = function(){
        loaded++
        Vue.$h5.store.site_load_percent=loaded/total
        resolve(img)
      }
      img.src = imgList[i]
    })
    proList.push(pro)
  }
  total = proList.length
  return  Promise.all(proList).then((rs)=>{
            return Promise.resolve(rs)
          })
}

export default async function () {
  return new Promise(async (resolve, reject) => {
    try {
      if(imgList){
        let rs = await loadImgs(imgList)
      }
      Vue.$h5.store.site_load_percent = 1
      resolve()
    } catch(err) {
      console.log(err)
      reject(false)
    }
  })
}