created() {
      if (window.Notification) {
        // 浏览器通知--window.Notification
        if (Notification.permission == "granted") {
          console.log("允许通知")
        }else if( Notification.permission != "denied"){
          console.log("需要通知权限")
          Notification.requestPermission((permission)=> {});
        }
      } else {
        console.error('浏览器不支持Notification');
      }

    },

methods: {
    popNotice(user, content) {
        let that = this;
        if (Notification.permission == "granted") {
          let notification = new Notification(user, {
            body: content,
            icon: logo.png
          });

          notification.onclick = function(e) {
            that.$nextTick(() => {
              setTimeout(()=>{
                //具体操作
              },500);
            });
            //可直接打开通知notification相关联的tab窗
            window.focus();
            notification.close();
          };
        }
      },
}


调用：
this.popNotice('你','show me the code')