var os = function () { var ua = navigator.userAgent, isWindowsPhone = /(?:Windows Phone)/.test(ua), isSymbian = /(?:SymbianOS)/.test(ua) || isWindowsPhone, isAndroid = /(?:Android)/.test(ua), isFireFox = /(?:Firefox)/.test(ua), isChrome = /(?:Chrome|CriOS)/.test(ua), isTablet = /(?:iPad|PlayBook)/.test(ua) || (isAndroid && !/(?:Mobile)/.test(ua)) || (isFireFox && /(?:Tablet)/.test(ua)), isPhone = /(?:iPhone)/.test(ua) && !isTablet, isPc = !isPhone && !isAndroid && !isSymbian; return { isTablet: isTablet, isPhone: isPhone, isAndroid: isAndroid, isPc: isPc }; }(); console.log('os',os) if (os.isAndroid || os.isPhone) { // 手机 window.location.href = "https://xxx.com"; } else if (os.isTablet) { // 平板 } else if (os.isPc) { // pc }