<!DOCTYPE html>
<
html
>
<
head
>
<
meta
http-equiv="Content-Type" content="application/xhtml+xml;charset=UTF-8" />
<
meta
name="viewport" content="width=device-width" />
<
title
>手機橫、豎屏事件</
title
>
<
script
language="javascript" type="text/javascript">
//屏幕方向標識，0橫屏，其他值豎屏
var orientation=0;
//轉屏事件，內部功能可以自定義
function screenOrientationEvent(){
if(orientation == 0)document.getElementById("change").value="豎";
else document.getElementById("change").value="橫";
}
var innerWidthTmp = window.innerWidth;
//橫豎屏事件監聽方法
function screenOrientationListener(){
try{
var iw = window.innerWidth;
//屏幕方向改變處理
if(iw != innerWidthTmp){
if(iw>window.innerHeight)orientation = 90;
else orientation = 0;
//調用轉屏事件
screenOrientationEvent();
innerWidthTmp = iw;
}
} catch(e){alert(e);};
//間隔固定事件檢查是否轉屏，默認500毫秒
setTimeout("screenOrientationListener()",500);
}
//啟動橫豎屏事件監聽
screenOrientationListener();
</
script
>
</
head
>
<
body
onload="screenOrientationEvent()">
<
input
id="change" type="text" value=""/>
</
body
>
</
html
>