<button catchtap="start">start</button> 
<button catchtap='stop'>stop</button>
<view style="text-align:center;">{{text}}</view>

<ocr-navigator bind:onSuccess="success" certificateType="idCard" selectedOptions="{{['id','name','sex','birthday','homePlace']}}">
  <button type="primary">身份证识别</button>
</ocr-navigator>