//如果是网络图片
<view class="payicon"><image :src="item.payChannel == 4 ? selectimg[0].imgUrl :item.payChannel == 3 ? selectimg[0].imgUrl2 : selectimg[0].imgUrl3" mode=""></image></view>
    
export default {
    data() {
        return {
            selectimg:[{
                imgUrl:'http://static.hiyunyu.com/images/ogo.png',
                imgUrl2:'http://static.hiyunyu.com/images/zblogo.png',
                imgUrl3:'http://static.hiyunyu.com/images/UioPay.png' 
                //如果是本地图片最好加个require 	imgUrl3:require('../../static/image/UnionPay.png')			   
            }]
        }
    }
}