(文章目录)

一、前言

项目开发过程中,优化项目时考虑加入全屏功能。具体实践步骤如下:

二、安装依赖

项目中使用的是sreenfull插件,执行命令安装:

npm install --save screenfull

三、应用

组件安装好后,引入项目,用一个按钮进行控制即可,通过Esc键退出全屏按钮方法如下:

<script>
import screenfull from 'screenfull'
export default {
  data () {
      return {
        isFullscreen: false
      }
   },
  methods: {
    /**
     * 全屏事件
     */
    screenfull() {
      if (!screenfull.enabled) {
        this.$message({
          message: 'Your browser does not work',
          type: 'warning'
        })
        return false
      }
      screenfull.toggle()
      this.isFullscreen = true
    },
    /**
     * 是否全屏并按键ESC键的方法
     */
    checkFull() {
      var isFull = document.fullscreenEnabled || window.fullScreen || document.webkitIsFullScreen || document.msFullscreenEnabled
      // to fix : false || undefined == undefined
      if (isFull === undefined) {
          isFull = false
      }
      return isFull
    }
  },
  mounted() {
   window.onresize = () => {
     // 全屏下监控是否按键了ESC
     if (!this.checkFull()) {
       // 全屏下按键esc后要执行的动作
       this.isFullscreen = false
     }
   }
 }
}
</script>