App({ 
     onLaunch(opts, data) {
       console.log('App:onLaunch========', opts.shareTicket);
     }
  })
  
  Page({
  getShareInfo() {
    if (!this.data.shareTicket) {
      xhs.showToast({ title: '请先获取 shareTicket' });
      return;
    }

    let _this = this;

    xhs.getShareInfo({ 
      shareTicket: _this.data.shareTicket,
      success(res) {
        console.log('getShareInfo success', res);
        _this.setData({ shareInfo: '获取 shareInfo 信息成功：' + JSON.stringify(res) });
      },
      fail(err) {
        console.log('getShareInfo fail', err);
        _this.setData({ shareInfo: '获取 shareInfo 信息失败：' + JSON.stringify(err) });
      }
    });
  }
  })