vue3.2/Vite/Ts92: 数据大屏自适应处理

└─src
    └─views
        └─screen
            └─index.vue

<template>
  <div class="contianer">
    <div class="screen" ref="screen">
      <div class="top"></div>
      <div class="bottom">
        <div class="left"></div>
        <div class="center"></div>
        <div class="right"></div>
      </div>
    </div>
  </div>
</template>
<script setup lang="ts">
  import { ref, onMounted } from "vue";
  import Top from "./components/top/index.vue";
  let screen = ref<any>();
  const getScale = (w = 1920, h = 1080) => {
    const ww = window.innerWidth / w;
    const wh = window.innerHeight / h;
    return ww < wh ? ww : wh;
  };
  onMounted(() => {
    screen.value.style.transform = `scale(${getScale()}) translate(-50%, -50%)`;
  });

  window.onresize = () => {
    screen.value.style.transform = `scale(${getScale()}) translate(-50%, -50%)`;
  };
</script>
<style scoped lang="scss">
  .container {
    width: 100vw;
    height: 100vh;
    background: url("./images/bg.png") no-repeat;
    background-size: cover;
    .screen {
      position: fixed;
      width: 1920px;
      height: 1080px;
      left: 50%;
      top: 50%;
      transform-origin: left top;
      .top {
        width: 100%;
        height: 40px;
        background: cyan;
      }
      .bottom {
        display: flex;
        .right {
          flex: 1;
        }
        .left {
          flex: 1;
        }
        .center {
          flex: 2;
        }
      }
    }
  }
</style>