<view data-id="1" bindtap="getUlist">这是第一个tab</view> 
  <view data-id="2" bindtap="getUlist">这是第二个tab</view> 
  <view data-id="3" bindtap="getUlist">这是第三个tab</view> 

getUlist(e) {
  let eliteid = e.currentTarget.dataset.id;
  wx.request({
    data: {
      eliteid
    }
  })
}