全屏和退出全屏

 

<!DOCTYPE html>
<html lang="zh">


<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
</head>


<body>
<button class="aa" onclick="fullScreen()">全屏</button>
<button class="bb" onclick="exitFullScreen()">退出全屏</button>
</body>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript">



function func() {
alert("hahahahhahaha")
}
$(document).keyup(function(event) {    
if(event.keyCode === 8) { 
func()
}  
});
// 全屏
function fullScreen() {
var el = document.documentElement;
var rfs = el.requestFullScreen || el.webkitRequestFullScreen ||
el.mozRequestFullScreen || el.msRequestFullScreen;
if(typeof rfs != "undefined" && rfs) {
rfs.call(el);
} else if(typeof window.ActiveXObject != "undefined") {
//for IE,这里其实就是模拟了按下键盘的F11,使浏览器全屏
var wscript = new ActiveXObject("WScript.Shell");
if(wscript != null) {
wscript.SendKeys("{F11}");
}
}
}
//   退出全屏
function exitFullScreen() {
var el = document;
var cfs = el.cancelFullScreen || el.webkitCancelFullScreen ||
el.mozCancelFullScreen || el.exitFullScreen;
if(typeof cfs != "undefined" && cfs) {
cfs.call(el);
} else if(typeof window.ActiveXObject != "undefined") {
//for IE,这里和fullScreen相同,模拟按下F11键退出全屏
var wscript = new ActiveXObject("WScript.Shell");
if(wscript != null) {
wscript.SendKeys("{F11}");
}
}
}
</script>


</html>

 

 

作者博客地址:http://lwenl.cn
编写不易,勿喷,希望能帮助到您

在不同场景下有多种实现点击全屏退出全屏功能的方法,以下是详细介绍: ### Vue 项目中实现全屏退出全屏 在 Vue 项目里,若要达成大屏展示的全屏需求,可在登录后调用 `enterFullscreen` 方法进入全屏,点击切换到控制台时调用 `exitFullscreen` 方法退出全屏。以下是代码示例: ```javascript methods: { enterFullscreen() { const element = document.documentElement; if (element.requestFullscreen) { element.requestFullscreen(); } else if (element.mozRequestFullScreen) { element.mozRequestFullScreen(); } else if (element.webkitRequestFullscreen) { element.webkitRequestFullscreen(); } else if (element.msRequestFullscreen) { element.msRequestFullscreen(); } }, exitFullscreen() { if ( document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement ) { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } } } } ``` 在登录之后调用 `enterFullscreen` 方法,点击切换到控制台时调用 `exitFullscreen` 方法,即可实现相应的全屏退出全屏操作 [^1]。 ### JavaScript 实现网页全屏退出全屏 在 JavaScript 中实现网页全屏退出全屏功能,可添加 `fullscreenchange` 事件监听器来获取全屏状态的变化。以下是示例代码: ```javascript function enterFullscreen() { const element = document.documentElement; if (element.requestFullscreen) { element.requestFullscreen(); } else if (element.mozRequestFullScreen) { element.mozRequestFullScreen(); } else if (element.webkitRequestFullscreen) { element.webkitRequestFullscreen(); } else if (element.msRequestFullscreen) { element.msRequestFullscreen(); } } function exitFullscreen() { if ( document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement ) { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } } } // 添加事件监听器 document.addEventListener('fullscreenchange', function () { if (document.fullscreenElement) { console.log('进入全屏'); } else { console.log('退出全屏'); } }); ``` 通过调用 `enterFullscreen` `exitFullscreen` 方法,能够实现全屏退出全屏操作,同时利用 `fullscreenchange` 事件监听器可获取全屏状态的变化 [^2]。 ### OpenLayers 6 实现地图全屏退出全屏 在 OpenLayers 6 中实现地图全屏退出全屏操作,可通过 `FullScreen` 控件来实现。以下是示例代码: ```javascript import 'ol/ol.css'; import { Map, View } from 'ol/index'; import * as control from 'ol/control'; import { FullScreen } from 'ol/control'; import { Tile as TileLayer } from 'ol/layer'; import { XYZ } from 'ol/source'; function initMap() { const map = new Map({ target: 'eguid-map', controls: control.defaults({ attribution: false, zoom: true, rotate: true }).extend([ new FullScreen({ source: 'fullscreen' }) ]), view: new View({ center: [119, 32], maxZoom: 21, zoom: 8, minZoom: 7, projection: 'EPSG:4326' }) }); // 添加高德地图图层 const gaode1Layer = new TileLayer({ source: new XYZ({ url: 'https://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&x={x}&y={y}&z={z}&scl=1&style=7&ltype=1' }), projection: 'EPSG:3857' }); map.addLayer(gaode1Layer); } initMap(); ``` 在上述代码中,`new FullScreen({ source: 'fullscreen' })` 里的 `source` 所传参数字符串 `"fullscreen"` 表示对应的 Dom 节点 id。通过这种方式,可实现指定网页节点(地图)的全屏退出全屏操作 [^3]。
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