Flex中动态生成DataGrid以及动态生成表头

在Flex中动态生成表格，并且表格的表头也是动态生成

1、源码

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" 
				creationComplete="initHandler()"
				width="100%" height="100%">
	<mx:Script>
		<![CDATA[
			import mx.events.FlexEvent;
			import mx.events.ListEvent;
			import mx.controls.ComboBox;
			import mx.controls.DataGrid;
			import mx.collections.ArrayCollection;
			import mx.controls.dataGridClasses.DataGridColumn;
			
			[Bindable]
			//自定义数据源   
			private var grid:Array = [
				{age:'25',sex: "男",name: "张三"},{age:'22',sex: "女",name: "李四"},{age:'23',name: "王五"},{age:'21',name: "赵六"},{age:'24',name: "钱七"},{age:'20',name: "魏八"}
			];
			
			/*初始化函数*/
			private function initHandler():void
			{
				var gridArray:ArrayCollection = new ArrayCollection(grid);
				
				gridArray.filterFunction;
				//自定义DataGrid控件
				var dataGrid:DataGrid = new DataGrid();
				//X轴坐标
				dataGrid.x = 20; 
				//Y轴坐标
				dataGrid.y = 20;	
				//数据项是否能编辑
				dataGrid.editable = false; 
				//控件宽度
				dataGrid.width  = 1300; 
				//控件高度
				//dataGrid.height = 600; 
				//设置表格行数
				dataGrid.rowCount = gridArray.length + 1;
				//设置控件内容字体大小
				dataGrid.setStyle("fontSize",20);
				//设置表头颜色
				dataGrid.setStyle("headerColors",[0xB0C4DE,0xB0C4DE]);
				//设置字体位置
				dataGrid.setStyle("textAlign","center");
				//设置样式名
				dataGrid.styleName;
				// 设置数据源
				dataGrid.dataProvider = gridArray; 
				// 添加监听事件类型与触发函数
				dataGrid.addEventListener(ListEvent.ITEM_CLICK,itemClickHandler); 
				// 添加dataGrid控件
				addChild(dataGrid); 
				//声明一个数组
				var columns:Array = new Array();
				var column:DataGridColumn;
				for ( var i:* in grid[0] ) {
					column = new DataGridColumn(i);
					columns.push(column);
				}
				dataGrid.columns = columns;
				
			}
			
			/*事件*/
			private function itemClickHandler(event:ListEvent):void
			{
				trace(event.target);
			}

		]]>
	</mx:Script>
	
</mx:Application>