083、组件-swiper和swiper-item组件的基本使用——轮播图<swiper class="swiper-container" indicator-dots indicator-color="white" indicator-active-color="grey" autoplay interval="3000" circular><!--第一个轮播图--><swiper-item> <view class="item">A</view></swiper-item><!--第二个轮播图--><swiper-item> <view class="item">B</view></swiper-item><!--第三个轮播图--><swiper-item> <view class="item">C</view></swiper-item></swiper>