数据大瓶解决方案scale

<template>
  <div class="container">
    <!-- 数据大屏展示内容区域 -->
    <div class="screen" ref="screen"></div>
  </div>
</template>

<script setup lang="ts">
import { ref, onMounted } from 'vue'
let screen = ref()
onMounted(() => {
  screen.value.style.transform = `scale(${getScale()}) translate(-50%,-50%)`
})
//定义大屏缩放比例
function getScale(w = 1920, h = 1080) {
  const ww = window.innerWidth / w
  const wh = window.innerHeight / h
  return ww < wh ? ww : wh
}
//监听视口变化
window.onresize = () => {
  screen.value.style.transform = `scale(${getScale()}) translate(-50%,-50%)`
}
</script>

<style scoped lang="scss">
.container {
  width: 100vw;
  height: 100vh;
  background-color: #ccc;
  .screen {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 1920px;
    height: 1080px;
    background-color: pink;
    transform-origin: left top;
  }
}
</style>

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