cashier-mer/src/App.vue

<script setup>
import { onMounted } from "vue";

onMounted(() => {
  document.body.style.setProperty("--el-color-primary", "#1890ff");
  document.body.style.setProperty("--el-upload-picture-card-size", "60px");
  document.body.style.setProperty("--el-upload-list-picture-card-size", "60px");
});
const screenWidth = window.innerWidth;
console.log("当前屏幕宽度：", screenWidth);

</script>

<template>
  <router-view />
</template>

<style lang="scss">
.el-button:focus {
  outline: none;
}

// 取消input的上下箭头
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
</style>