manHourHousekeeper/fhKeeper/formulahousekeeper/timesheet_h5/src/App.vue

<template>
    <div>
        <keep-alive>
            <router-view v-if="$route.meta.keepAlive"></router-view>
        </keep-alive>
        <router-view v-if="!$route.meta.keepAlive"></router-view>
    </div>
</template>

<script>
import $ from 'jquery'
export default {
    name: "app",
    created() { },
    mounted() {
      let width=$("body").width();
      console.log(width)
      if(width>=1200){
        let fontsize=width/1920*40;//fontsize为当前屏幕的基数字体，相对于设计稿计算得到的。
        $("html").css("font-size",`${fontsize}px`)
      }
      if(width<=750){
        let fontsize=width/400*40;
        $("html").css("font-size",`${fontsize}px`)
      }
      //当加载页面的时候设置生效
      window.onresize = () => {
        return (() => {
          let width=$("body").width();
          if(width>=1200){
            let fontsize=width/1920*40;
            $("html").css("font-size",`${fontsize}px`)
          }
          if(width<=750){
            let fontsize=width/400*40;
            $("html").css("font-size",`${fontsize}px`)
          }
        })()
      }
    }
};
</script>