• 页面的初始数据
  */
  data: {
  objectMultiArray: [
  [
  {
  id: 0,name: '无脊柱动物'
  },{
  id: 1,name: '脊柱动物'
  }
  ],[
  {
  id: 0,name: '扁性动物'
  },name: '线形动物'
  },{
  id: 2,name: '环节动物'
  },{
  id: 3,name: '软体动物'
  },name: '节肢动物'
  }
  ]
  ],multiIndex2: [0,0],},bindMultiPickerChange2: function (e) {
  console.log('picker发送选择改变，携带值为',e.detail.value)
  this.setData({
  multiIndex2: e.detail.value
  })
  },bindMultiPickerColumnChange2: function (e) {
  console.log('修改的列为',e.detail.column,'，值为',e.detail.value);
  var data = {
  objectMultiArray: this.data.objectMultiArray,multiIndex2: this.data.multiIndex2
  };
  data.multiIndex2[e.detail.column] = e.detail.value;
  switch (e.detail.column) {
  case 0:
  switch (data.multiIndex2[0]) {
  case 0:
  data.objectMultiArray[1] = [
  { id: 0,name: '扁性动物' },{ id: 1,name: '线形动物' },{ id: 2,name: '环节动物' },{ id: 3,name: '软体动物' },name: '节肢动物' }
  ];
  // data.multiArray[2] = ['猪肉绦虫','吸血虫'];
  break;
  case 1:
  data.objectMultiArray[1] = [
  { id: 0,name: '鱼' },name: '线形两栖动物' },name: '爬行动物' }
  ];
  break;
  }
  data.multiIndex2[1] = 0;
  // data.multiIndex[2] = 0;
  break;
  }
  this.setData(data);
  }

})