获取图片大小

<template>
  <div class="about-page">
    <el-carousel height="700px" :interval="3000" arrow="always">
    <el-carousel-item v-for="(item, index) in imgs" :key="index">
      <img :src="item.imgUrl" alt="">
    </el-carousel-item>
  </el-carousel>
  </div>
</template>

<script>
export default {
data() {
  return {
    aa: ' https://14234929.s61i.faiusr.com/2/AD0IserkBhACGAAg1e2RywUo0--goQUwgA840AU.jpg',
    imgInfo: {},
    imgs:[
      {
        imgUrl: require('../../assets/img/x.jpg')
      },
      {
        imgUrl: require('../../assets/img/z.jpg')
      }
    ]
  };
},
methods: {
  getImgInfo () {
      let img = new Image()
      img.src = this.aa
      const vm = this
      img.onload = function () {
        vm.$set(vm.imgInfo, 'width', img.width)
        vm.$set(vm.imgInfo, 'height', img.height)
        console.log(vm.imgInfo) // 打印图片信息
      }
}
},
created () {
  this.getImgInfo()
},
}
</script>

<style scoped lang="less">
// fill|contain|cover|scale-down|none|initial|inherit;
.about-page{
  height: 1000px;
}
// 轮播图
  .el-carousel__item img {
    object-fit: cover;
    margin: 0;
    width: 100%;
    height: 100%;
  }
  
  .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
  }
  
  .el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
  }
</style>