https://api.weixin.qq.com/wxa/business/getliveinfo?access_token=
返回示例：
{
    "errcode": 0,    // 错误码，0代表成功，1代表未创建直播间
    "errmsg": "ok"   // 错误信息
    "room_info":[{
        "name":"直播房间名"
        "roomid": 1,
        "cover_img":"http://http:\/\/mmbiz.qpic.cn\/mmbiz_jpg\Rl1RuuhdstSfZa8EEljedAYcbtX3Ejpdl2et1tPAQ37bdicnxoVialDLCKKDcPBy8Iic0kCiaiaalXg3EbpNKoicrweQ\/0?wx_fmt=jpeg",
        "share_img":"http://http:\/\/mmbiz.qpic.cn\/mmbiz_jpg\Rl1RuuhdstSfZa8EEljedAYcbtX3Ejpdl2et1tPAQ37bdicnxoVialDLCKKDcPBy8Iic0kCiaiaalXg3EbpNKoicrweQ\/0?wx_fmt=jpeg",
        "live_status": 101,
        "start_time": 1568128900,
        "end_time": 1568131200,
        "anchor_name":"里斯",
        "goods":[{
             "cover_img":"http://http:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/Rl1RuuhdstSfZa8EEljedAYcbtX3Ejpdl2et1tPAQ37bdicnxoVialDLCKKDcPBy8Iic0kCiaiaalXg3EbpNKoicrweQ\/0?wx_fmt=jpeg",
             "url":"pages/index/index.html",
             "price":1100,
             "name":"茶杯"}],
        "total":1
    }]
}

以上是小程序直播拉取直播列表的接口跟示例，现在要实现一个效果，就是拉取的直播列表，如果有房间在直播，当前列表就显示直播画面，这个怎么实现？