mounted() { const userAgent = window.navigator.userAgent; if (userAgent.indexOf("Android") > -1) { console.log("客户端类型:Android"); } else if ( userAgent.indexOf("iPhone") > -1 || userAgent.indexOf("iPad") > -1 || userAgent.indexOf("iPod") > -1 ) { console.log("客户端类型:iOS"); } else if ( userAgent.indexOf("Mac OS X") > -1 || userAgent.indexOf("Windows") > -1 ) { console.log("客户端类型:PC"); } else if (userAgent.indexOf("iPad") > -1) { console.log("客户端类型:iPad"); } else { console.log("客户端类型:未知"); } },