前端检测是否为微信端

navigator.userAgent.toLowerCase().match(/MicroMessenger/i)

created () {
    // 检测是浏览器端还是微信端
    let ua = navigator.userAgent.toLowerCase();
    if (String(ua.match(/MicroMessenger/i)) === 'micromessenger') {
        this.isWechat = true
    } else {
        this.isWechat = false
    }
    ...
}