通过JS实现arcgis 服务器 发布的地图来显示webGIS地图的-JS achieve through the release of arcgis server map to show the map webGIS

实现webGIS开发的入门级示例，了解web下ArcGIS的开发流程及API。-The entry-level webGIS development example, to understand the development of the web under ArcGIS workflow and APIs.