vue2-手写轮播图

 轮播图5长展示，点击指示器向右移动一个图片，每隔2秒移动一张照片！

<template><div class="top-app"><div class="carousel-container"><div class="carousel" ref="carousel"><div v-for="(item, index) in imgUrl"><img :src="item.url" :key="index"><div>{{ item.content }}</div></div></div></div><div class="arrow left" @click="moveImg(indexImg - 1)"><img src="@/assets/logo.png" alt="left arrow"></div><div class="arrow right" @click="moveImg(indexImg + 1)"><img src="@/assets/logo.png" alt="right arrow"></div></div>
</template><script>
export default {name: 'topApp',data() {return {indexImg: 0,imgUrl: [{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "1"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "2"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "3"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "4"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "5"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "6"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "7"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "8"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "9"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "10"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "11"},{url: 'https://ossdcd.nyncjxx.com/202305/19/1684490486433/f3e40d56315da571ddaa05f6d155e37.jpg',content: "12"}]}},created() {setInterval(() => {this.moveImg(this.indexImg + 1);}, 2000);},methods: {moveImg(index) {// 一行展示几张图片，减几就行if (index > this.imgUrl.length - 5) {this.indexImg = -1;} else if (index < 0) {this.indexImg = 0;} else {if (this.$refs.carousel) {//这里是每张图片的宽度的倍数this.$refs.carousel.style.transform = `translateX(-${index * 2}00px)`;this.indexImg = index;}}}}
}
</script><style scoped>
* {margin: 0;padding: 0;box-sizing: border-box;
}.carousel-container {width: 1000px;//5长，一张图片200px这里就是1000height: 300px;margin: 10px auto;overflow: hidden;position: relative;
}.carousel {width: 100%;height: 100%;display: flex;transition: 0.5s;
}.carousel-container .carousel img {width: 200px;height: 200px;
}.carousel-img {width: 100%;height: 100%;object-fit: cover;
}.arrow {position: absolute;top: 30%;transform: translateY(-50%);width: 30px;height: 30px;background-color: rgba(0, 0, 0, 0.5);border-radius: 50%;display: flex;align-items: center;justify-content: center;cursor: pointer;
}.arrow img {width: 15px;height: 15px;object-fit: contain;filter: invert(1);
}.arrow.left {left: 20px;
}.arrow.right {right: 20px;
}
</style>