Page({
  data: {
    baseUrl:"https://gofly.sopans.com",visitors:[]
  },login(){
    my.alert({ title: 'You click reset' });
  },onLoad(){
    let _this=this;
    var baseUrl=.data.baseUrl;
    my.request({
      url: baseUrl+/visitors_onlineGETfail});
      },complete: function(res) {
        my.hideLoading();
        _this.setData({
          visitors: res.data.result.ws,});
      }
  });
  }
});

  <list>
    <list-item a:for={{visitors}}" thumb={{baseUrl+item.avator}}
    onClick=onItemClick
    upperSubtitle=新访客" >
    {{item.name}}
  </list-item>
  </list>