1.HTML
<div class="header" :class="{'bg1':header1,'bg2':header2}">
2.style
<style lang="scss" scoped>
@import './DataCenterStyle.scss';
.bg1 {
background-image: url('../../assets/images/bigScreen/top.png');
}
.bg2 {
background-image: url('../../assets/images/bigScreen/top.lxh.png');
}
</style>
3.data中声明
data() {
this.intervalId = null;
return {
header1:true,
header2:false,
}