we_spa_admin/pages/role/role.wxml

<view class="content">
  <view class="item flex-align-center {{ item.selected == 1 ? 'active' : '' }}" wx:for="{{ list }}" wx:key="index" bindtap="onChangeRole" data-id="{{ item.id }}" data-index="{{index}}">{{ item.name }}</view>
</view>

<view class="btn-box">
  <view class="btn flex-center" bindtap="onSubmit">确认</view>
</view>