vue全屏和退出全屏

<!--  -->
<template>
  <div class="icon">
    <i class="el-icon-full-screen" @click="click"></i>
  </div>
</template>

<script>
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';

import screenfull from "screenfull";

export default {
  name: "Screenfull",
  data() {
    return {
      isFullscreen: false,
    };
  },
  mounted() {
    this.init();
  },
  beforeDestroy() {
    this.destroy();
  },
  methods: {
    click() {
      if (!screenfull.isEnabled) {
        this.$message({ message: "你的浏览器不支持全屏", type: "warning" });
        return false;
      }
      screenfull.toggle();
    },
    change() {
      this.isFullscreen = screenfull.isFullscreen;
    },
    init() {
      if (screenfull.isEnabled) {
        screenfull.on("change", this.change);
      }
    },
    destroy() {
      if (screenfull.isEnabled) {
        screenfull.off("change", this.change);
      }
    },
  },
};
</script>
<style lang='scss' scoped>
//@import url(); 引入公共css类
.icon {
  cursor: pointer;
  display: flex;
  align-items: center;
  i {
    font-size: 24px;
  }
}
</style>