aslan-h5/src/components/BackgroundLayer.vue

78 lines
1.3 KiB
Vue

<template>
<div class="bg-layer" :style="layerStyle">
<img
v-for="(imgSrc, index) in filteredBackgroundImages"
:key="index"
v-smart-img
:src="imgSrc"
:alt="`background-${index}`"
:class="['bg-image', imageClass]"
:style="imageStyle"
/>
</div>
</template>
<script setup>
import { computed } from 'vue'
const props = defineProps({
// 背景图片数组
backgroundImages: {
type: Array,
required: true,
default: () => [],
},
// 层级样式
layerStyle: {
type: Object,
default: () => ({}),
},
// 图片样式
imageStyle: {
type: Object,
default: () => ({}),
},
// 图片类名
imageClass: {
type: String,
default: '',
},
// 是否过滤空图片
filterEmpty: {
type: Boolean,
default: true,
},
})
// 过滤掉空的图片路径
const filteredBackgroundImages = computed(() => {
if (props.filterEmpty) {
return props.backgroundImages.filter((img) => img && img.trim() !== '')
}
return props.backgroundImages
})
</script>
<style scoped>
.bg-layer {
width: 100vw;
min-height: 100vh;
position: absolute;
top: 0;
left: 0;
z-index: 0;
pointer-events: none;
}
.bg-image {
width: 100vw;
object-fit: cover;
object-position: center top;
display: block;
}
</style>