ittwxwork/pages/permissions/permissions.wxml

<!--pages/permissions/permissions.wxml-->
<view class="permission wh">
  <view class="canmer-box">
    <camera device-position="back" flash="off" mode="scanCode" bindscancode="bindscancode" binderror="bindscanerror" style="width: 100%; height: 100%;"></camera>
    <!-- <view class="top-modal"></view>
    <view class="bottom-modal"></view>
    <view class="left-modal"></view>
    <view class="right-modal"></view> -->
  </view>
  <view class="actions">
    <view class="tips">教程</view>
  </view>
</view>