文档：
横向滚动
<scroll-view class="scroll__wrap"
scroll-x="true">
<block wx:for="{{[1, 2, 3, 4, 5]}}">
<view class="scroll__item">{{item}}</view>
</block>
</scroll-view>
.scroll__wrap {
white-space: nowrap;
}
.scroll__item {
display: inline-block;
border-radius: 16rpx;
background-color: #eeeeee;
margin-left: 16rpx;
padding: 0 20rpx;
line-height: 40rpx;
}
