template

<template >
  <div class="main">
    
  </div>
</template>

style设置

<style scoped >
.main {
  width: 210vh;
  height: 100vh;
  /* background-image: linear-gradient(to top left, #e5a8d5, #00efff, #e5a8d5); */
  background-image: url("/src/assets/bgImage_DPI1000.jpg");
  /* 背景图垂直、水平均居中 */
  background-position: center center;
  /* 背景图不平铺 */
  background-repeat: no-repeat;
  /* 当内容高度大于图片高度时，背景图像的位置相对于viewport固定 */
  background-attachment: fixed;
  /* 让背景图基于容器大小伸缩 */
  background-size: cover;
  display: flex;
  justify-content: center;
}
</style>

展示