设置 CSS

.container{
  overflow:auto;
}
img{
  width:100%;
  height:auto;
  overflow:hidden;
}

设置 template

<div class="container">
  <img :src="src">
</div>

设置 script

import src from ‘../../../assets/image/login/1.jpg‘
export default{
  data(){
    return{
      src: src
    }
  }
}

Css 图片自适应