lanan-system-vue/src/views/index.vue

<template>
  <div class="container_">
    <img class="fullscreen-image" src="@/assets/images/homeImg.png" alt="首页图片">
  </div>
</template>

<script>
export default {
  name: 'Index'
}
</script>

<style lang="scss" scoped>
.container_ {
  width: 100%;
  height: calc(100vh - 100px);
  margin: 0;
  padding: 5px;
  overflow: hidden;

  .fullscreen-image {
    width: 100%;
    height: 100%;
    //object-fit: cover;
    object-fit: fill;
  }
}
</style>