89 lines
3.2 KiB
Vue
89 lines
3.2 KiB
Vue
<template>
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<div>
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<img class="box-img" :src="currentImgSrc" alt="" />
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<img class="box-img" v-for="(imgSrc, index) in imgList" :key="index" :src="imgSrc" alt=""
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style="display: none;" />
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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currentFrameIndex: 0,
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imgList: ['static/an/box/1.png', 'static/an/box/2.png', 'static/an/box/3.png', 'static/an/box/4.png',
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'static/an/box/5.png', 'static/an/box/6.png', 'static/an/box/7.png', 'static/an/box/8.png',
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'static/an/box/9.png', 'static/an/box/10.png', 'static/an/box/11.png', 'static/an/box/12.png',
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'static/an/box/13.png', 'static/an/box/14.png', 'static/an/box/15.png', 'static/an/box/16.png',
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'static/an/box/17.png', 'static/an/box/18.png', 'static/an/box/19.png', 'static/an/box/20.png',
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'static/an/box/21.png', 'static/an/box/22.png', 'static/an/box/23.png', 'static/an/box/24.png',
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'static/an/box/25.png', 'static/an/box/26.png', 'static/an/box/27.png', 'static/an/box/28.png',
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'static/an/box/29.png', 'static/an/box/30.png', 'static/an/box/31.png', 'static/an/box/32.png',
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'static/an/box/33.png', 'static/an/box/34.png', 'static/an/box/35.png', 'static/an/box/36.png',
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'static/an/box/37.png', 'static/an/box/38.png', 'static/an/box/39.png', 'static/an/box/40.png',
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'static/an/box/41.png', 'static/an/box/42.png', 'static/an/box/43.png', 'static/an/box/44.png',
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'static/an/box/45.png', 'static/an/box/46.png', 'static/an/box/47.png', 'static/an/box/48.png',
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'static/an/box/49.png', 'static/an/box/50.png', 'static/an/box/51.png', 'static/an/box/52.png',
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'static/an/box/53.png', 'static/an/box/54.png', 'static/an/box/55.png', 'static/an/box/56.png',
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'static/an/box/57.png', 'static/an/box/58.png', 'static/an/box/59.png', 'static/an/box/60.png',
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'static/an/box/61.png', 'static/an/box/62.png', 'static/an/box/63.png', 'static/an/box/64.png',
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'static/an/box/65.png', 'static/an/box/66.png', 'static/an/box/67.png', 'static/an/box/68.png',
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'static/an/box/69.png', 'static/an/box/70.png', 'static/an/box/71.png', 'static/an/box/72.png'
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],
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delay: 45,
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framesPlayed: 0,
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imagesPreloaded: false,
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timer:null
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};
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},
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computed: {
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currentImgSrc() {
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return this.imgList[this.currentFrameIndex];
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}
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},
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mounted() {
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this.preloadImages().then(() => {
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this.startAnimation();
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});
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// this.startAnimation();
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},
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methods: {
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preloadImages() {
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const promises = [];
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this.imgList.forEach((imgSrc) => {
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const promise = new Promise((resolve, reject) => {
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const img = new Image();
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img.onload = resolve;
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img.onerror = reject;
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img.src = imgSrc;
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});
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promises.push(promise);
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});
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return Promise.all(promises).then(() => {
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this.imagesPreloaded = true;
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});
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},
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startAnimation() {
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this.timer = setInterval(() => {
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this.currentFrameIndex = (this.currentFrameIndex + 1) % this.imgList.length;
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this.framesPlayed++;
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if (this.framesPlayed === this.imgList.length) {
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clearInterval(this.timer);
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}
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}, this.delay);
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}
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},
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onUnload() {
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// 在页面离开时清除定时器
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clearInterval(this.timer)
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}
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};
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</script>
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<style lang="scss" scoped>
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.box-img {
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width: 100%;
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height: 100vh;
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object-fit: contain;
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}
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</style> |