小程序商城开发，二级分类列表实现点击分类标题切换商品显示，前端和接口代码_商城点击分类搜索前端的实现

废话不说直接上代码

<!-- HTML --!>
<navigation id='Navigation' show-search='{
   {true}}'></navigation>
<view class="container">
  <view class="type-container-boxx">
  <!-- 分类 -->
    <view class="type-container">
      <view wx:for-items="{
   {firstclasslist}}" wx:key="id" class="type-box" bindtap="firstclassClick" id="{
   {item.id}}">
        <view class="type-navbar-item {
   {classid == item.id ? 'type-item-on' : ''}}">
          {
   {
   item.name}}
        </view>
      </view>
    </view>
    <view class="type-list">
    <!-- 分类轮播图 -->
      <view class="swiper-container">
        <swiper class="swiper_box" autoplay="{
   {autoplay}}" interval="{
   {interval}}" duration="{
   {duration}}" bindchange="swiperchange">
          <block wx:for="{
   {banners}}" wx:key="id">
            <swiper-item>
              <image bindtap="toDetailsTap" data-id="{
   {item.businessId}}" src="{
   {item.picUrl}}_m" class="slide-image" mode="widthFix" />
            </swiper-item>
          </block>
        </swiper>
        <view class="dots">
          <block wx:for="{
   {banners}}" wx:key="unique">
            <view class="dot{
   {index == swiperCurrent ? ' active' : ''}}"></view>
          </block>
        </view>
      </view>
      <!-- 分类商品 -->
      <view class="type-menu">
        <view class="type-level-box" wx:for="{
   {twoclasslist}}" wx:key="id">
          <view id="{
   {item.id}}" class="type-level-item " bindtap="levelClick" data-id="{
   {item.id}}">
            <image class="type-img" src="http://shop.linkeddream.com{
   {item.pic}}"></image>
            <text>{
   {
   item.name}}</text>
          </view>
        </view>
      </view>
    </view>
  </view>
</view>
<view hidden="{
   {search}}" class="search-box {
   {iponesc}}">
  <view hidden="{
   {searchidden}}" class="goods-box" wx:for-items="{
   {searchs}}" wx:key="index" bindtap="toDetailsTap" data-id="{
   {item.id}}">
    <view class="img-box">
      <image src="{
   {item.pic}}_m" class="image" mode="widthFix" lazy-load="true" />
      <view class="goods-characteristic">
        <text>{
   {
   item.characteristic}}</text>
      </view>
    </view>
    <view class="goods-title">{
   {
   item.name}}</view>
    <view style='display:flex;'>
      <view class="goods-price">Ұ{
   {
   item.minPrice}}</view>
      <view class="goods-price-naver">已售{
   {
   item.numberOrders}}</view>
    </view>
  </view>
  <view hidden="{
   {nonehidden}}" class=<
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