appointment-mp/dist/stepper/index.wxml

<view class="van-stepper custom-class">
  <view
    class="minus-class van-stepper__minus {{ minusDisabled ? 'van-stepper__minus--disabled' : '' }}"
    bind:tap="onMinus"
  />
  <view class="input-class van-stepper__input-wrapper {{ disabled || disableInput ? 'van-stepper__input-wrapper--disabled' : '' }}" bindtap="onFocus">
    <input
      type="{{ integer ? 'number' : 'digit' }}"
      class="van-stepper__input"
      value="{{ value }}"
      focus="{{ focus }}"
      disabled="{{ disabled || disableInput }}"
      bindinput="onInput"
      bind:blur="onBlur"
    />
  </view>
  <view
    class="plus-class van-stepper__plus {{ plusDisabled ? 'van-stepper__plus--disabled' : '' }}"
    bind:tap="onPlus"
  />
</view>