yoshop_pro_wxapp/components/diy/search/search.wxml

<!-- 搜索框 -->
<view class="diy-search">
  <form bindsubmit="onTargetSearch" report-submit="true">
    <button formType="submit" class="btn-normal">
      <view class="inner {{ itemStyle.searchStyle }}">
        <view class="search-input" style="text-align: {{ itemStyle.textAlign }}">
          <text class="search-icon iconfont icon-sousuo"></text>
          <text> {{ params.placeholder }}</text>
        </view>
      </view>
    </button>
  </form>
</view>