vue 设置背景

<span :style="{ 'background': 'url(' + aboutImg1 + ') no-repeat center center', 'background-size': '100% 100%'}">1</span>

.aboutL ul > li > span.aboutLimg {

background: url("./../../../imgWeb/搜索-下拉.png") no-repeat center center;

background-size: 100%;

}

.aboutL ul > li:hover > span.aboutLimg {

background: url("./../../../imgWeb/下拉-选择.png") no-repeat center center;

background-size: 100%;

}