效果

添加mousewheelControl: true,这个属性即可

<div class="swiper-container">
  <div class="swiper-wrapper">
    <div class="swiper-slide" > 
      <div class="" style="height: 100%; background-color: #ccc;">
        111
      </div>
    </div>
    <div class="swiper-slide">
      <div class="" style="height: 100%; background-color: #8b8b8b;">
        222
      </div>
    </div>
    <div class="swiper-slide">
      <div class="" style="height: 100%; background-color: #202020;">
        333
      </div>
    </div>
  </div>
</div>

<script>
  var mySwiper = new Swiper('.swiper-container', {
      speed: 1000,
      direction: 'vertical',
      height : window.innerHeight,
      mousewheelControl: true,
      forceToAxis: true,
  }) 
 </script>