OLAP 控件使用

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" 
			   creationComplete="creationCompleteHandler();"
			   minWidth="955" minHeight="600">  
	
	<!-- ====== Properties of parent ======================= -->  
	<s:layout>
		<s:BasicLayout/>
	</s:layout>   
	
	<!-- ====== MetaData =================================== -->  
	
	<!-- ====== Styles ===================================== -->  
	
	<!-- ====== Script ===================================== -->  
	<fx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.controls.Alert;
			import mx.controls.advancedDataGridClasses.AdvancedDataGridColumn;
			import mx.events.CubeEvent;
			import mx.olap.IOLAPAxisPosition;
			import mx.olap.IOLAPCube;
			import mx.olap.IOLAPElement;
			import mx.olap.IOLAPMember;
			import mx.olap.IOLAPQuery;
			import mx.olap.IOLAPQueryAxis;
			import mx.olap.OLAPQuery;
			import mx.olap.OLAPResult;
			import mx.olap.OLAPSet;
			import mx.rpc.AsyncResponder;
			import mx.rpc.AsyncToken;
			import mx.rpc.events.FaultEvent;
			include "dataIntro.as"
			private function creationCompleteHandler():void {
				// You must initialize the cube before you
				// can execute a query on it.
				myMXMLCube.refresh();
			}
			// Create the OLAP query.
			private function getQuery(cube:IOLAPCube):IOLAPQuery {
				// Create an instance of OLAPQuery to represent the query.
				var query:OLAPQuery = new OLAPQuery;
				// Get the row axis from the query instance.
				var rowQueryAxis:IOLAPQueryAxis =
					query.getAxis(OLAPQuery.ROW_AXIS);
				// Create an OLAPSet instance to configure the axis.
				var productSet:OLAPSet = new OLAPSet;
				// Add the Product to the row to aggregate data
				// by the Product dimension.
				productSet.addElements(
					cube.findDimension("ProductDim").findAttribute("Product").children);
				// Add the OLAPSet instance to the axis.
				rowQueryAxis.addSet(productSet);
				// Get the column axis from the query instance, and configure it
				// to aggregate the columns by the Quarter dimension.
				var colQueryAxis:IOLAPQueryAxis =
					query.getAxis(OLAPQuery.COLUMN_AXIS);
				var quarterSet:OLAPSet= new OLAPSet;
				quarterSet.addElements(
					cube.findDimension("QuarterDim").findAttribute("Quarter").children);
				colQueryAxis.addSet(quarterSet);
				return query;
			}
 
			
			// Event handler to execute the OLAP query
			// after the cube completes initialization.
			private function runQuery(event:CubeEvent):void {
				// Get cube.
				var cube:IOLAPCube = IOLAPCube(event.currentTarget);
				// Create a query instance.
				var query:IOLAPQuery = getQuery(cube);
				// Execute the query.
				var token:AsyncToken = cube.execute(query);
				// Set up handlers for the query results.
				token.addResponder(new AsyncResponder(showResult, showFault));
			}
			// Handle a query fault.
			private function showFault(error:FaultEvent, token:Object):void {
				Alert.show(error.fault.faultString);
			}
			// Handle a successful query by passing the query results to
			// the OLAPDataGrid control..
			private function showResult(result:Object, token:Object):void {
				if (!result) {
					Alert.show("No results from query.");
					return;
				}
				myOLAPDG.dataProvider= result as OLAPResult;
			}
			
			// Callback function that hightlights in green
			// all cells with a value greater than or equal to 1000.
			 public function myStyleFunction(row:IOLAPAxisPosition, column:IOLAPAxisPosition,
										value:Number):Object
			{
				if (value >= 120)
					return {color:0x00FF00};
				// Return null if value is less than 120.
				return null;
			} 
 
		]]>
		
	</fx:Script>
	<!-- ====== Declarations =============================== -->  
	<fx:Declarations>
		<mx:OLAPCube name="FlatSchemaCube"
					 dataProvider="{flatData}"
					 id="myMXMLCube"
					 complete="runQuery(event);">
			<mx:OLAPDimension name="CustomerDim">
				<mx:OLAPAttribute name="Customer" dataField="customer"/>
				<mx:OLAPHierarchy name="CustomerHier" hasAll="true">
					<mx:OLAPLevel attributeName="Customer"/>
				</mx:OLAPHierarchy>
			</mx:OLAPDimension>
			<mx:OLAPDimension name="ProductDim">
				<mx:OLAPAttribute name="Product" dataField="product"/>
				<mx:OLAPHierarchy name="ProductHier" hasAll="true">
					<mx:OLAPLevel attributeName="Product"/>
				</mx:OLAPHierarchy>
			</mx:OLAPDimension>
			<mx:OLAPDimension name="QuarterDim">
				<mx:OLAPAttribute name="Quarter" dataField="quarter"/>
				<mx:OLAPHierarchy name="QuarterHier" hasAll="true">
					<mx:OLAPLevel attributeName="Quarter"/>
				</mx:OLAPHierarchy>
			</mx:OLAPDimension>
			<mx:OLAPMeasure name="Revenue"
							dataField="revenue"
							aggregator="SUM"/>
		</mx:OLAPCube>
	</fx:Declarations>   
	
	<!-- ====== UI Components ============================== -->     
	<mx:OLAPDataGrid id="myOLAPDG" width="100%" height="100%" 
					    styleFunction="myStyleFunction"/>
</s:Application>

dataIntro.as

[Bindable]
private var flatData:ArrayCollection = new ArrayCollection([
	{customer:"A1", product: "ColdFusion", quarter:"Q1", revenue:1.00},
	{customer:"A2", product: "ColdFusion", quarter:"Q1", revenue:1.00},
	{customer:"A3", product: "ColdFusion", quarter:"Q1", revenue:1.00},
	{customer:"A2", product: "Flex", quarter:"Q1", revenue:102.00},
	{customer:"A3", product: "Photoshop", quarter:"Q1", revenue:103.00},
	{customer:"A1", product: "ColdFusion", quarter:"Q2", revenue:110.00},
	{customer:"A2", product: "Flex", quarter:"Q2", revenue:120.00},
	{customer:"A3", product: "Photoshop", quarter:"Q2", revenue:130.00},
	{customer:"A1", product: "ColdFusion", quarter:"Q3", revenue:100.00},
	{customer:"A2", product: "Flex", quarter:"Q3", revenue:200.00},
	{customer:"A3", product: "Photoshop", quarter:"Q3", revenue:300.00},
	{customer:"A1", product: "ColdFusion", quarter:"Q4", revenue:100.10},
	{customer:"A2", product: "Flex", quarter:"Q4", revenue:100.20},
	{customer:"A3", product: "Photoshop", quarter:"Q4", revenue:100.30},
  ]);

评论

1 楼 jack547155187 2010-11-14  

都不知道是说什么的。加点说明吧