vue强制横屏

在app.vue中

<template>
  <div id="app">
    <router-view />
  </div>
</template>

<style lang="scss">
// 1
@media screen and (orientation: portrait) {
  html {
    width: 100vmin;
    height: 100vmax;
  }
  body {
    width: 100vmin;
    height: 100vmax;
  }
  #gyroContain {
    background-size: cover;
    background-image: url("./assets/backmr.png");
    width: 100vmax;
    height: 100vmin;
    transform-origin: top left;
    transform: rotate(90deg) translate(0, -100vmin);
  }
}
@media screen and (orientation: landscape) {
  html {
    width: 100vmax;
    height: 100vmin;
  }
  body {
    width: 100vmax;
    height: 100vmin;
  }
  #gyroContain {
    width: 100vmax;
    height: 100vmin;
  }
}
// 2
@media screen and (orientation: portrait) {
  html {
    width: 100vmin;
    height: 100vmax;
  }
  body {
    width: 100vmin;
    height: 100vmax;
  }
  #gyroContain2 {
    background-size: cover;
    background-image: url("./assets/backmr.png");
    width: 100vmax;
    height: 100vmin;
    transform-origin: top left;
    transform: rotate(90deg) translate(0, -100vmin);
  }
}
@media screen and (orientation: landscape) {
  html {
    width: 100vmax;
    height: 100vmin;
  }
  body {
    width: 100vmax;
    height: 100vmin;
  }
  #gyroContain2 {
    width: 100vmax;
    height: 100vmin;
  }
}

#app,
body,
html {
  background-image: url("./assets/backmr.png");
  background-size: cover;
  background-repeat: no-repeat;
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  padding: 0;
  margin: 0;
  height: 100vh; /* 为了让整个页面占满整个屏幕 */
}
</style>

页面

<template>
  <div id="gyroContain2" >
    <div class="box99">
      <div class="box88">1111</div>
      <div class="box88">22222</div>
    </div>
  </div>
</template>

<style>

.box88 {
 flex: 1;
  width: 100%;
  border: 2px solid #552b2b;
}
.box99 {
  display: flex;
  flex-direction: column;
  border: 2px solid #000;
  height: 100%;
}
</style>

<script>
export default {
  mounted() {},
};
</script>