public Task <FindResult> DoFind(string serviceId, Geometry geometry, string fields, string value)
{
LayerObject lo = null;
foreach (var t in ConfigUtil.DynamicLayer)
{
if (serviceId != t.Id)
{
continue;
}
lo = t;
}
if (lo == null)
{
return(null);
}
var findTask = new FindTask(lo.Uri);
if (lo.Token != null)
{
findTask.Token = lo.Token;
}
//初始化FindParameters参数
FindParameters findParameters = new FindParameters();
string[] Layers = lo.Layers.Split('、');
if (Layers != null && Layers.Length > 0)
{
foreach (var item in Layers)
{
var layerId = lo.GetLayerId(item);
if (layerId != null)
{
findParameters.LayerIDs.Add(Convert.ToInt16(layerId)); //查找的图层
}
}
}
findParameters.SearchFields.Add(fields); //查找的字段范围
findParameters.ReturnGeometry = true;
findParameters.Contains = false;
findParameters.SearchText = value; //查找的“属性值”
//异步执行
return(findTask.ExecuteAsync(findParameters));
}
public Task <IdentifyResult> DoIdentify(string serviceId, string layers, MapPoint pt)
{
LayerObject lo = null;
foreach (var t in ConfigUtil.DynamicLayer)
{
if (serviceId != t.Id)
{
continue;
}
lo = t;
}
if (lo == null)
{
return(null);
}
//创建查询IdentifyTask
IdentifyTask task = new IdentifyTask(lo.Uri);
if (lo.Token != null)
{
task.Token = lo.Token;
}
//设置查询参数
var queryPara = new IdentifyParameters(pt, Map.MapView.Extent, 7
, (int)Map.MapView.ActualHeight, (int)Map.MapView.ActualWidth)
{
LayerOption = LayerOption.Visible
};
var layerArr = layers.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
var ids = (from layer in layerArr select lo.GetLayerId(layer) into layerId where layerId != null select(int) layerId).ToList();
queryPara.LayerIDs = ids;
queryPara.SpatialReference = Map.MapView.SpatialReference;
return(task.ExecuteAsync(queryPara));
}
public Task <QueryResult> DoQuery(string serviceId, string layer, Geometry geometry, string where)
{
LayerObject lo = null;
foreach (var t in ConfigUtil.DynamicLayer)
{
if (serviceId != t.Id)
{
continue;
}
lo = t;
}
if (lo == null)
{
return(null);
}
var layerId = lo.GetLayerId(layer);
var task = layerId != null ? new QueryTask(new Uri(lo.Uri + "/" + layerId)) : new QueryTask(lo.Uri);
if (lo.Token != null)
{
task.Token = lo.Token;
}
var query = new Query("1=1");
if (geometry != null)
{
query.Geometry = geometry;
}
if (where.Trim() != "")
{
query.Where = where;
}
query.ReturnGeometry = true;
return(task.ExecuteAsync(query));
}