以构建的方式来实现对通用的查询统计，并且将查询结果在地图上展现出来（饼图和直方图），本组件需要arcgis engine和Dev Express7.1.1的支持。-To build on the way to realize a common query statistics and query results will be shown on the map (pie and histogram), the components need to arcgis engine and Dev Ex