ArcServer动态切换服务

for Java
http://bbs.esrichina-bj.cn/ESRI/thread-27851-1-1.html

// get current instance
        FacesContext fc = FacesContext.getCurrentInstance();
                AGSLocalMapResource ags = null;
                WebContext mctx = null;
                try {
                        // get current web context
                        mctx = event.getWebContext();

                        // create and init the new ags souce now

//                        ValueBinding vb = fc.getApplication().createValueBinding("#{ags}");
//                        ags = (AGSLocalMapResource) vb.getValue(fc);
                        ags = (AGSLocalMapResource)mctx.getResources().get("ags1");
                        if (ags == null)
                                ags = new AGSLocalMapResource();

                        // user and object
                        AGSUser user = new AGSUser(domain,userName, password, false);
                        ags.setUser(user);
                        ags.setServerObjectName(serviceName);

                        // server
                        List<String> hosts = new ArrayList<String>();
                        hosts.add(serverName);
                        ags.setHosts(hosts);
                        ags.setAlias(serviceAlias);

                        // refresh map and restore the extent
                        WebMap mmap = (WebMap) mctx.getWebMap();
                        mmap.setInitExtent(mmap.getCurrentExtent());
                        mctx.addResource("ags" + (mctx.getResources().size() + 1), ags, 0);
                        //          System.out.println("Overview Image! :" + mctx.getWebOverview().getImageUrl());                        
                        mctx.refresh();
                } catch (Throwable e) {
                        e.printStackTrace();

                        fc.addMessage(contextControl.getClientId(fc), new FacesMessage(
                                        "Unable to add source: " + serviceName + "@"
                                                        + serverName));

                        if (ags != null)
                                mctx.removeResource(ags);
                }

for .Net
http://www.cnblogs.com/tuncaysanli/archive/2009/03/22/1419225.html

//前台函数

function BasicMap() {
    Coolite.AjaxMethods.ShowBasicMap({            //ShowBasicMap为后台地图处理AjaxMethod
    success: function(result) {
        var context='Map1';
        processCallbackResult(result, context);     

      //processCallbackResult是安装目录下ESRI.ADF.System.debug文件中的ESRI自带函数。处理后台返回的结果字符串，并将其展示在页面(包括地图）上。
    });

}


 

//后台函数主要实现动态加载地图

private static int i = 0;

 [AjaxMethod]
    public string ShowBasicMap()
    {
        MapResourceManager1.ResourceItems.Clear();
        MapResourceItem mapResourceItem = new MapResourceItem();

        GISResourceItemDefinition definition = new GISResourceItemDefinition();
        definition.DataSourceDefinition = "http://10.150.38.34/arcgis/services/";
        definition.DataSourceType = "ArcGIS Server Internet";
        definition.ResourceDefinition = "Layers@BaseMap";
        mapResourceItem.Definition = definition;

        ESRI.ArcGIS.ADF.Web.DisplaySettings displaysettings =
            new ESRI.ArcGIS.ADF.Web.DisplaySettings();
        displaysettings.Transparency = 0;
        displaysettings.Visible = true;
        mapResourceItem.Name = "basicmap"+i;
        mapResourceItem.DisplaySettings = displaysettings;
        int n = MapResourceManager1.ResourceItems.Count;
        MapResourceManager1.ResourceItems.Insert(n, mapResourceItem);
        mapResourceItem.InitializeResource();
         Map1.Refresh();
        i++;
        return Map1.CallbackResults.ToString();
        }