js 数据书写 ``` ~~~ Page({ data: { list2: [ { cate: '宝马', list: [ { title: '宝马x1' }, { title: '宝马x2' }, { title: '宝马x3' }, { title: '宝马x4' }, { title: '宝马x5' }, ] }, } }) ``` wxml 页面调用 ~~~ <view wx:for="{{item.list}}" wx:for-index="idx" wx:for-item="itemName"> {{itemName.title}} </view> ~~~