finaldemo.html

采用java实现的arcgis server程序

      //A feature that is found is passed in that will be added as a graphic
      function showFeature(feature) {
             //Clear graphics if the user runs the query back to back
  			 map.graphics.clear();
  			 curFeature = feature;
  			 var fExtent = feature.geometry.getExtent();
  			 //Recenter the map based upon the center of the parcel's extent
             var centerPt = fExtent.getCenter();
  			 map.centerAt(centerPt);
  			 var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASHDOT, new dojo.Color([255, 0, 0]), 2), new dojo.Color([255, 255, 0, 0.5]));
  			 feature.setSymbol(symbol);
         //design what the info window will look like.  It will list a series of attributes, and have an text box for buffer distance, button that will run the "RunGeometryService" function
         feature.setInfoTemplate(new esri.InfoTemplate("Parcel ID : <pre style='display:inline;'>${TLID}</pre>",
  			   "<form>Address : ${SITEADDR}"
            + "<br />Total Value : ${TOTALVAL}"
            + "<br />Tax Code : ${TAXCODE}"
            + "<br />Last Sale : ${SALEDATE}"
            + "<br />Sale Price : ${SALEPRICE}"
            + "<br />"
            + "<br /><b>Generate Mailing List: </b>"
            + "<br/>     Enter buffer distance in ft: "
            + "<br/><input id='txtgpdist' width='30px' type='text' name='txtgpdist' value='100'> <input id='btnGP' type='button' onclick='RunGeometryService(dojo.byId(&#39txtgpdist&#39).value, curFeature)' value='Submit' ></form>"
         ));

         map.graphics.add(feature);
         map.infoWindow.resize(210, 210);
  		 map.infoWindow.setTitle(feature.getTitle()).setContent(feature.getContent());
         map.infoWindow.show(map.toScreen(centerPt), map.getInfoWindowAnchor(map.toScreen(centerPt)));  
       }

       //In the info Window that gets returned from the Parcel Query, there is a "Submit" button associated to a distance the user enters for a buffer.  
       //When the user clicks the submit button, the RunGeometryService below will be executed        
        function RunGeometryService(distance, featureinput) {
		  //Geometry Service Endpoint
          var gsvc = new esri.tasks.GeometryService("http://sampleserver1.arcgisonline.com/arcgis/rest/services/Geometry/GeometryServer");
          var MailingQueryTask = new esri.tasks.QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Portland/Portland_ESRI_LandBase_AGO/MapServer/1");
          var MailingQuery = new esri.tasks.Query();
          MailingQuery.returnGeometry = true;
          //A window will appear with the TaxLotID, address and city for parcels found within the buffer
          //additional fields could be added, but they would need to be specified as outfields below
          MailingQuery.outFields = ["TLID", "SITEADDR", "SITECITY"];    
          map.graphics.clear();
          var feature = featureinput;

          //Define input parameters for buffer
          var params = new esri.tasks.BufferParameters();
          params.features = [ feature ];
          params.distances = [ distance ];
          params.unit = esri.tasks.BufferParameters.UNIT_FEET;
          //Set the spatial reference to the same as the input layers
          params.bufferSpatialReference = new esri.SpatialReference({wkid: 102113});
          //Use the geometry service to execute the buffer based upon above parameters
          gsvc.buffer(params);
          
         dojo.connect(gsvc, "onBufferComplete", function(features) {
                  var symbol = new esri.symbol.SimpleFillSymbol(
                  esri.symbol.SimpleFillSymbol.STYLE_SOLID,
                  new esri.symbol.SimpleLineSymbol(
                    esri.symbol.SimpleLineSymbol.STYLE_SOLID,
                    new dojo.Color([0,0,255,0.65]), 2
                  ),
                  new dojo.Color([0,0,255,0.35])
                );

                  //should only be one buffer polygon, so no need to loop through 
                  //features[0] represents the first polygon returned
                  var bufferpoly = features[0].geometry;
                  features[0].setSymbol(symbol); 
                  map.graphics.add(features[0]);

              //Set up the spatial relationship of the query.  In this case you want INTERSECTS to find all 
              //parcels that intersect the buffer polygon  
              MailingQuery.spatialRelationship = esri.tasks.Query.SPATIAL_REL_INTERSECTS;
              //Pass in the extent of the buffer polygon to determine the parcels that fall within
              MailingQuery.geometry = bufferpoly.getExtent();
              MailingQueryTask.execute(MailingQuery);
         
         }); 
         
         // +++++Listen for QueryTask executecomplete event+++++
        dojo.connect(MailingQueryTask, "onComplete", function(fset) {
            dojo.byId('MailingLabels').innerHTML = " ";
            var resultFeatures = fset.features;
              
                     var symbol = new esri.symbol.SimpleFillSymbol(
                  esri.symbol.SimpleFillSymbol.STYLE_SOLID,
                  new esri.symbol.SimpleLineSymbol(
                    esri.symbol.SimpleLineSymbol.STYLE_SOLID,
                    new dojo.Color([0,0,255,0.65]), 2
                  ),
                  new dojo.Color([255,0,255,0.35])
                );
              
              for (var i=0, il=resultFeatures.length; i<il; i++) {
                  //alert ("found one");

                  dojo.byId('MailingLabels').innerHTML = (dojo.byId('MailingLabels').innerHTML + "<br />" + resultFeatures[i].attributes['SITEADDR'] + ", " + resultFeatures[i].attributes['SITECITY']);
                  resultFeatures[i].setSymbol(symbol);
                  map.graphics.add(resultFeatures[i]);
              }
              dijit.byId('MailingList').show()
              
        });

	   }

	//In the init() function, the populateTOC function below is synced with the OnLoad.  It is used to
	//add all the layers from the portland service into the "Identify Attributes" Floating Panel as check boxes so they can be identified
    //No GIS functionality is performed in this function, it just gets a list of the layers
     function populateToc() {   
        var layers = portlandService.layerInfos;
        var layer, id;
        numLayers = layers.length;
        var s = [];
        for (var i=0; i<numLayers; i++) {
          layer = layers[i];
          id = layer.id;
          s.push("<input type=\"checkbox\" id=\"" + layerIdPrefix + id + "\" name=\"" + layerIdPrefix + id + "\" /><label for=\"" + layerIdPrefix + id + "\">" + layer.name + "</label>")
        }
        dojo.byId("toc").innerHTML = s.join("<br />");
      }

    //The syncIdentify function gets called when the "Identify Feature" button on the "Identify Attributes" Floating Panel is clicked
    //It syncs everytime the user clicks on the map so the "doIdentify" function is called
    function syncIdentify(){
        Identify_OnClick = dojo.connect(map, "onClick", doIdentify);
    }

    //The doIdentify function accepts an event as an argument, which corresponds to the Map Click (X/Y location) as defined in the OnClick event- see syncIdentifyFunction
    //That X/Y location (evt.MapPoint) is used as the input to identify layers.  The identifyParams hold how/which layers will be returned.
    function doIdentify(evt) {
        //Clear the map if user performs Identify over and over
        map.graphics.clear();
        var symbol = new esri.symbol.SimpleMarkerSymbol(esri.symbol.SimpleMarkerSymbol.STYLE_SQUARE, 10, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255,0,0]), 1), new dojo.Color([0,255,0,0.25]));
        var graphic = new esri.Graphic(evt.mapPoint,symbol);
        map.graphics.add(graphic);

        identifyParams.geometry = evt.mapPoint;
        identifyParams.layerOption = dojo.byId("layerOption").value;
        identifyParams.mapExtent = map.extent;
        //Determine which layers are checked to be identified and add to the identifyParams
        var layerIds = identifyParams.layerIds = [];
        for (var i = 0; i<numLayers; i++) {
          if (dojo.byId(layerIdPrefix + i).checked) {
            layerIds.push(i);
          }
        }
        identify.execute(identifyParams)
      }

      //The addToMap function gets called when the "onComplete" event from the identify task is triggered
      //The onComplete event is synced in the init funciton when the application loads
      //this function will add a graphic for any feature that is identified and set the info template
      //The user must click the graphic again to see the info window appear
      function addToMap(results) {
        for (var i=0, il=results.length; i<il; i++) {
          var graphic = results[i].feature;
          switch (graphic.geometry.type) {
            case "point":
              var symbol = new esri.symbol.SimpleMarkerSymbol(esri.symbol.SimpleMarkerSymbol.STYLE_SQUARE, 10, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0,255,0]), 1), new dojo.Color([0,255,0,0.25]));
              break;
            case "polyline":
              var symbol = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASH, new dojo.Color([0,255,0]), 1);
              break;
            case "polygon":
              var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_NONE, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASHDOT, new dojo.Color([0,255,0]), 2), new dojo.Color([0,255,0,0.25]));
              break;
            case "multipoint":
              var symbol = new esri.symbol.SimpleMarkerSymbol(esri.symbol.SimpleMarkerSymbol.STYLE_DIAMOND, 20, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0,0,0]), 1), new dojo.Color([0,255,0,0.5]));
              break;
          }
          graphic.setSymbol(symbol);
          var infoTemplate = new esri.InfoTemplate("Layer Name: " + results[i].layerName,"${*}");
          graphic.setInfoTemplate(infoTemplate);
          map.graphics.add(graphic);
        }
      }

      //when the "Draw Polygon to Clip to" button on the "Clip and Ship" floating panel is clicked, the below function is called
      //It activates the drawing toolbar (not visible to UI) and indicates to start drawing polygons
      function initToolbar() {
          //Disconnect from Identify Event in case user ran identify first, otherwise
          //map will expect to identify rather than draw polygon alone
        dojo.disconnect(Identify_OnClick);
        map.graphics.clear();
        var tb = new esri.toolbars.Draw(map);
        //find points in Extent when user completes drawing extent
        dojo.connect(tb, "onDrawEnd", addClipGraphic);
        //set drawing mode to extent
        tb.activate(esri.toolbars.Draw.POLYGON);
      }

      //In the "initToolbar" function, when the "onDrawEnd" event is triggered from a polygon being completed,
      //the below function funs which adds a graphic representing the polygon with default symbology
      function addClipGraphic(geometry) {
          var symbol = new esri.symbol.SimpleLineSymbol();
          map.graphics.add(new esri.Graphic(geometry, symbol));
      }

      function clipship() {