Vue를 사용하여 그림 돋보기 효과를 구현하는 방법

<template>
  <div class="main-image">
    <img  :src="imageSrc" ref="mainImg" @mousemove="onMouseMove" @mouseenter="onMouseEnter" @mouseleave="onMouseLeave" alt="Vue를 사용하여 그림 돋보기 효과를 구현하는 방법" >
    <div class="magnifier" v-if="showMagnifier" :style="{backgroundImage: 'url(' + imageSrc + ')', backgroundPosition: bgPos}"></div>
  </div>
</template>

<script>
export default {
  props: {
    imageSrc: {
      type: String,
      required: true
    }
  },
  data() {
    return {
      showMagnifier: false,
      bgPos: '',
    }
  },
  methods: {
    onMouseMove(e) {
      const img = this.$refs.mainImg;
      const rect = img.getBoundingClientRect();
      const x = e.clientX - rect.left;
      const y = e.clientY - rect.top;

      const bgPosX = x / img.offsetWidth * 100;
      const bgPosY = y / img.offsetHeight * 100;
      this.bgPos = `${bgPosX}% ${bgPosY}%`;
    },
    onMouseEnter() {
      this.showMagnifier = true;
    },
    onMouseLeave() {
      this.showMagnifier = false;
    }
  }
}
</script>

<style>
.main-image {
  position: relative;
}

.main-image img {
  max-width: 100%;
}

.magnifier {
  position: absolute;
  z-index: 99;
  width: 200px;
  height: 200px;
  border: 1px solid #ccc;
  background-repeat: no-repeat;
}
</style>

<template>
  <div class="thumbnail">
    <div v-for="image in thumbnailList" :key="image" @click="onThumbnailClick(image)">
      <img :src="image" alt="thumbnail">
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      thumbnailList: [
        'https://example.com/image1.jpg',
        'https://example.com/image2.jpg',
        'https://example.com/image3.jpg'
      ],
      currentImage: ''
    }
  },
  methods: {
    onThumbnailClick(image) {
      this.currentImage = image;
    }
  }
}
</script>

<style>
.thumbnail {
  display: flex;
}

.thumbnail img {
  width: 100px;
  height: 100px;
  margin-right: 10px;
  cursor: pointer;
}
</style>

<template>
  <div class="wrapper">
    <main-image :imageSrc="currentImage"></main-image>
    <thumbnail></thumbnail>
  </div>
</template>

<script>
import MainImage from './MainImage.vue';
import Thumbnail from './Thumbnail.vue';

export default {
  components: {
    MainImage,
    Thumbnail
  },
  data() {
    return {
      currentImage: ''
    }
  },
  mounted() {
    // 设置默认的主图地址
    this.currentImage = 'https://example.com/defaultImage.jpg';
  }
}
</script>

<style>
.wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>