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vue中實現全屏以及對退出全屏的監聽

目錄
  • 前言:
  • 實現步驟:
  • 完整原始碼:
  • 更多資料:

前言:

中實現預設進來頁面,某個div全屏,並監聽退出全屏的次數,當退出全屏次數達到5的時候跳轉到別的頁面。

實現步驟:

1、頁面上在你想要的容器上加上id = ‘con_lf_top_div',再給他加個動態class名,加上提示和點選進入全屏按鈕

vue中實現全屏以及對退出全屏的監聽

<template>
  <el-card
    shadow="never"
    class="examining"
    v-loading.fullscreen.lock="loading"
    id="con_lf_top_div"
    :class="{'isScreen':!fullscreen}"
  >
    <p style="color:red;">*溫馨提示:請在全屏下進行考試,退出全屏5次以後將禁止考試</p>
    <el-button v-if="fullscreen" @click="screen();screen()" sLRvAWmx
tyle="position: absolute;top: 0px;right: 0;">全屏</el-button> ...其他內容

2、部分,全屏後的部分需要單獨加樣式

 .isScreen{
    height:100vh!important;
    overflow-y: auto;
  }

3、部分

data:

fullscreen:false,//是否全屏
goCount:0 //退出第幾次

mounted初始化呼叫

mounted() {
      this.initScreen()
}

methods定義方法:

vue中實現全屏以及對退出全屏的監聽

 //初始化全屏方法
      initScreen(){
        this.goCount = 0
        this.screen() //開啟全屏
        window.addEventListener('keydown',function(event) {
          //禁掉F11的全屏的預設事件,不會禁止F11的退出全屏
          const e = event || window.event
          if (e && e.keyCode === 122) {
            e.preventDefault()
          }
        })
        document.addEventListener('fullscreenchange',v => {
          if(this.fullscreen == true){
            this.fullscreen = false
          }else{
            this.goCount++
            // this.$message.info('當前是退出第'+this.goCount+'次')
            console.log('當前是退出第'+this.goCount+'次')
            this.fullscreen = true
            if(this.goCount == 5){
              this.goBack()
            }
          }
        })
      },

vue中實現全屏以及對退出全屏的監聽

vue中實現全屏以及對退出全屏的監聽

完整原始碼:

1、頁面:
<el-card
    id="con_lf_top_div"
    :clLRvAWmxass="{'isLRvAWmxScreen':!fullscreen}"
  >
    <p style="color:red;">*溫馨提示:請在全屏下進行考試,退出全屏5次以後將禁止考試</p>
    <el-button v-if="fullscreen" @click="screen();screen()" style="position: absolute;top: 0px;right: 0;">全屏</el-button>
     ...
 
 
2、data:
fullscreen:false,//是否全屏
goCount:0 //退出第幾次
 
 
3、mounted:
this.initScreen()
 
 
 
4、methods:
 
//初始化全屏方法
initScreen(){
  http://www.cppcns.com
this.goCount = 0 this.screen() //開啟全屏 window.addEventListener('keydown',function(event) { //禁掉F11的全屏的預設事件,不會禁止F11的退出全屏 const e = event || window.event if (e && e.keyCode === 122) { e.preventDefault() } }) document.addEventListener('fullscreenchange',v => { if(this.fullscreen == true){ this.fullscreen = false }else{ this.goCount++ // 注意這裡的事件都會觸發兩次 console.log('當前是退出第'+this.goCount+'次') this.fullscreen = true if(this.goCount == 5){ this.goBack() } } }) },//全屏方法 screen(){ //設定後就是id==con_lf_top_div 的容器全屏 let element = document.getElementById('con_lf_top_div'); if (this.fullscreen) { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.webkitCancelFullScreen) { document.webkitCancelFullScreen(); } else if (http://www.cppcns.comdocument.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } } else { if (element.requestFullscreen) { element.requestFullscreen(); } else if (element.webkitRequestFullScreen) { element.webkitRequestFullScreen(); } else if (element.mozRequestFullScreen) { element.mozRequestFullScreen(); } else if (element.msRequestFullscreen) { // IE11 element.msRequestFullscreen(); } } this.fullscreen = !this.fullscreen; },//退出全屏方法 goBack(){ //111111111111111111111111111111111111111 this.$message.error('您已退出全屏5次,當前考試已經結束') this.$router.go(-1) },

更多資料:

https://blog.csdn.net/qq_41619796/article/details/104751814

https://blog.csdn.net/wangsiyisiyi/article/details/117086453

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