a标签跳新链接,如果链接为空则不跳转
<el-carousel-item v-for="item in slideList" :key="item.id"> <a v-if="item.link == '' " href="javascript:;" ><img :src="item.thumb" alt=""></a> <a v-else :href="item.link" target="_blank"><img :src="item.thumb" alt=""></a> </el-carousel-item>