解决微信小程序scroll-view组件无横向滚动的问题

 <scroll-view class="scroll-view_H" scroll-x="true" bindscroll="scroll" >
     <view id="demo1" class="scroll-view-item_H demo-text-1"></view>
     <view id="demo2" class="scroll-view-item_H demo-text-2"></view>
     <view id="demo3" class="scroll-view-item_H demo-text-3"></view>
 </scroll-view>

.scroll-view_H {
 /*设置display:flex无效*/
 white-space: nowrap; 
}
.scroll-view-item_H {
 width: 200rpx;
 height:200rpx;
 background-color: #f00;
 display: inline-block;
}