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Responsive design 如何在Vue.JS的v-for循环中使用srcset提供响应图像?_Responsive Design_Vue.js_Vuejs2_Responsive Images - Fatal编程技术网

Responsive design 如何在Vue.JS的v-for循环中使用srcset提供响应图像?

Responsive design 如何在Vue.JS的v-for循环中使用srcset提供响应图像?,responsive-design,vue.js,vuejs2,responsive-images,Responsive Design,Vue.js,Vuejs2,Responsive Images,我想循环设置一组图像,它们应该使用srcset属性进行响应。现在,我只是循环浏览小缩略图: thumbnails: { small: [ 'http://placehold.it/330x330', 'http://placehold.it/330x330', 'http://placehold.it/330x330' ],

我想循环设置一组图像,它们应该使用srcset属性进行响应。现在,我只是循环浏览小缩略图:

         thumbnails: {
            small: [
              'http://placehold.it/330x330',
              'http://placehold.it/330x330',
              'http://placehold.it/330x330'
            ],
            medium: [
              'http://placehold.it/900x900',
              'http://placehold.it/900x900',
              'http://placehold.it/900x900'
            ], 
            high: [
              'http://placehold.it/1400x1400',
              'http://placehold.it/1400x1400',
              'http://placehold.it/1400x1400'
            ]
          },
selectedThumbnail
应该绑定到
图像缩略图--hero img
,但由于该部分现在使用的是响应图像,所以很难使其正常工作,因为我不知道应该选择并显示哪个分辨率的图像(小、中、高)

总而言之,有两个问题我觉得很难解决

  • 使用v-for显示响应迅速的图像
  • 当用户单击关联的缩略图时显示高分辨率图像(英雄图像)
英雄图像和缩略图图像都应具有响应性


如有任何见解,将不胜感激

你不能直接将索引值从v-for传入:
:srcset=“
${project.thumbnails.small[index]}300w,${project.thumbnails.medium[index]}900w,${project.thumbnails.high[index]}1400w
而不是硬编码该值吗?你不能直接将索引值从v-for传入:
:srcsset=“
${project.thumbnails.small[index]}300w,${project.thumbnails.medium[index]}900w,${project.thumbnails.high[index]}1400w
而不是硬编码值?
         thumbnails: {
            small: [
              'http://placehold.it/330x330',
              'http://placehold.it/330x330',
              'http://placehold.it/330x330'
            ],
            medium: [
              'http://placehold.it/900x900',
              'http://placehold.it/900x900',
              'http://placehold.it/900x900'
            ], 
            high: [
              'http://placehold.it/1400x1400',
              'http://placehold.it/1400x1400',
              'http://placehold.it/1400x1400'
            ]
          },
        <div class="image-thumbnails">
          <ul class="list-unstyled">
            <li v-for="thumbnail in project.thumbnails.small" @click="swapThumbnail(thumbnail)">
              <img class="lazy" :data-src-lazy="thumbnail" alt="thumbnail" width="100">
            </li>
          </ul>
        </div>
swapThumbnail(imgUrl) {
    this.selectedThumbnail = imgUrl;
  }