3--toast.js

弹出一个消息提示：toast

const toast = function(str,success = true){
  let icon = success ? 'success' : 'none'
  let duration = success ? 1000 : 2000
  
  return new Promise((resolve,reject)=>{
    uni.showToast({
      title:str,
      icon,
      mask:true,
      duration
    })
    
    setTimeout(()=>{
      success ? resolve() : reject()
    },duration)
    
  })
}

export default  toast

import toast from '@/utils/toast.js'
catch====>
toast(res.message, false)