slider，滑块 不带数字的slider ~~~ <div class="weui-slider"> <div class="weui-slider__inner"> <div style="width: 0;" class="weui-slider__track"></div> <div style="left: 0;" class="weui-slider__handler"></div> </div> </div> ~~~ 末端带数字的slider ~~~ <div class="weui-slider-box"> <div class="weui-slider"> <div class="weui-slider__inner"> <div style="width: 50%;" class="weui-slider__track"></div> <div style="left: 50%;" class="weui-slider__handler"></div> </div> </div> <div class="weui-slider-box__value">50</div> </div> ~~~ js的配合用法请看：[https://weui.io/#slider](https://weui.io/#slider)