function handleScreen() { const m = detectZoom(); document.body.style.zoom = 100 / Number(m); } function detectZoom() { let ratio = 0, screen = window.screen, ua = navigator.userAgent.toLowerCase(); if (window.devicePixelRatio !== undefined) { ratio = window.devicePixelRatio; } else if (~ua.indexOf('msie')) { if (screen.deviceXDPI && screen.logicalXDPI) { ratio = screen.deviceXDPI / screen.logicalXDPI; } } else if (window.outerWidth !== undefined && window.innerWidth !== undefined) { ratio = window.outerWidth / window.innerWidth; } if (ratio) { ratio = Math.round(ratio * 100); } return ratio; } function browser() { // 获取浏览器UA标识 var u = navigator.userAgent; return { trident: u.indexOf('Trident') > -1, // IE内核 presto: u.indexOf('Presto') > -1, // opera内核 webKit: u.indexOf('AppleWebKit') > -1, // 苹果、谷歌内核 gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') === -1, // 火狐内核 mobile: !!u.match(/AppleWebKit.*Mobile.*/), // 是否为移动终端 ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), // ios终端 android: u.indexOf('Android') > -1 || u.indexOf('Adr') > -1, // android终端 iPhone: u.indexOf('iPhone') > -1, // 是否为iPhone或者QQHD浏览器 iPad: u.indexOf('iPad') > -1, // 是否iPad webApp: u.indexOf('Safari') === -1, // 是否web应该程序,没有头部与底部 weixin: u.indexOf('MicroMessenger') > -1, // 是否微信 (2015-01-22新增) qq: u.match(/\sQQ/i) === ' qq' // 是否QQ }; } function gopage(){ var pathname = window.location.pathname; var pageName = pathname.substring(pathname.lastIndexOf('/')); if (browser().mobile || browser().android || browser().ios || document.body.clientWidth < 787) { // location.href="/gw/mobile"+pageName } } window.onresize = function() { handleScreen(); gopage(); } handleScreen(); gopage();