zh_wx/StepPage/pages/fourth/fourth.wxml

<!--StepPage/pages/fourth/fourth.wxml-->
<van-overlay show="{{show}}" z-index='999'>
<view class="show_box">
<view class="show_title"> <van-search style="width: 85%;" value="{{ searchValue }}" placeholder="请输入搜索关键词"   bind:search="onSearch"
/>
<view style="margin-right: 40rpx;color: rgb(146, 171, 218);" bindtap="handleCancel">取消</view>
</view>
 

<scroll-view style="height: 88%;" scroll-y="true">
  <view  wx:for="{{searchList}}" wx:key="index" data-item="{{item}}" data-index="{{index}}" class="show_item" bindtap="handleChoose">
  {{item.title}}
  </view>
  </scroll-view>
</view>
</van-overlay>
<van-overlay show="{{showFile}}" z-index='999'>
<view class="show_box">
<view class="show_title"> <van-search style="width: 85%;" value="{{ searchFilevalue }}" placeholder="请输入搜索关键词"   bind:search="onSearchFile"
/>
<view style="margin-right: 40rpx;color: rgb(146, 171, 218);" bindtap="handleCancelFile">取消</view>
</view>
 

<scroll-view style="height: 88%;" scroll-y="true">
  <view  wx:for="{{searchFileList}}" wx:key="index" data-item="{{item}}" data-index="{{index}}" class="show_item" bindtap="handleChooseFile">
  {{item.name}}
  </view>
</scroll-view>
</view>
</van-overlay>
<image src="../../../images/head.png" style="width:100%;height: 250rpx;z-index:-1"></image>
<view class="title">4.选择汽车品牌/型号</view>
<view>
<van-cell-group>
  <van-field
  label='汽车品牌'
    value="{{ title }}"
    placeholder="请选择汽车品牌"
    required
    readonly
    use-button-slot
  >
  <van-button slot="button" size="small" type="primary" bindtap="onChoose" wx:if='{{is_set}}'>
      选择
    </van-button>
  </van-field>
  <van-field
  label='汽车型号'
    value="{{ fileTitle }}"
    placeholder="请选择汽车型号"
    required
    readonly
    use-button-slot
  >
  <van-button slot="button" size="small" type="primary" bindtap="onChooseFile" wx:if='{{is_set}}'>
      选择
    </van-button>
  </van-field>
  <van-field
  label='是否大型车'
    value="{{ is_big }}"
    placeholder="默认带出"
    required
    readonly
  >
  </van-field>
</van-cell-group>
</view>
<view class="btn">
  <van-button color="linear-gradient(to top, #626365, #ffffff)" class="btn_item" bindtap="handleReturn"><text class="font_item">上一步</text></van-button>
<van-button disabled='{{title&&fileTitle?false:true}}' color="linear-gradient(to top, #626365, #ffffff)" class="btn_item" bindtap="handleNext"> <text class="font_item">下一步</text></van-button>
</view>