<audio id='audio' class="audio" bindended="playEnd" bindtap="audio" src="{{i.url}}" data-uid='{{i.uid}}' data-index='{{i.data_index}}' data-isread='{{i.is_read}}' data-time='{{i.time_len}}' data-src='{{i.url}}' wx:if="{{i.url}}" data-current="{{i.current_ppt}}" data-id='{{i.mess_id}}'></audio>

playEnd: function(e){

    console.log("此条语音播放完毕")

    var key = e.target.dataset.index;

    // 获取语音对应message中的位置

    var audioIndex = key.split("");

    var num = 0;

    for (var a = 3; a < audioIndex.length; a++) {

      num += audioIndex[a]

    }

    num = parseInt(num) - 1;

    _self.setData({

      currentID: 0,

      stopAutoPlay: true

    })

    var data_index = 'key' + (num + 1)

    setTimeout(function () {

      _self.eachMessage(options, data_index);

    }, 500)

  }