用户设备类型获取
if (/android/i.test(navigator.userAgent)){
// 安卓手机
localStorage.setItem('userAgent', 'anzhuo')
}else if (/ipad|iphone|mac/i.test(navigator.userAgent)){
// 苹果手机
localStorage.setItem('userAgent', 'ios')
} else {`在这里插入代码片`
localStorage.setItem('userAgent', '其它')
}