微信小程序怎么通过蓝牙控制打印机，这是打印机的型号[图片]

默认显示3张图片,中间显示全部,两边显示部分[图片]

wx代码 <view class="section section_gap"> <view class="section__title">horizontal scroll</view> <scroll-view class="scroll-view_H" scroll-x style="width: 100%"> <view id="green" class="scroll-view-item_H bc_green"></view> <view id="red"  class="scroll-view-item_H bc_red"></view> <view id="yellow" class="scroll-view-item_H bc_yellow"></view> <view id="blue" class="scroll-view-item_H bc_blue"></view> </scroll-view> </view> css代码 .section_gap{ } .scroll-view_H{ display: block; width: 100%; flex-wrap: nowrap; } .scroll-view-item_H{ width: 200px; height: 100px; flex-wrap: nowrap; } .bc_green{ background: green; } .bc_red{ background: red; } .bc_yellow{ background: yellow; } .bc_blue{ background: blue; } 效果[图片]

scroll–view好像不能实现的[图片]