The AppletVIEW technology implements chat rooms for computers with windows to see into what the computers are doing. We will refer to this as visualization windows. The chat rooms allow software distributed on a network ability to talk in real-

使用echarts实现动态柱状图，满足大屏数据可视化对数据实时 刷新的需求 。(Dynamic histogram based on echarts, which meets the requirement of real-time data refresh of large screen data visualization)