向Flex中的LineChart中动态添加线

package

{

import mx.charts.CategoryAxis;

import mx.charts.Legend;

import mx.charts.LineChart;

import mx.charts.series.LineSeries;

import mx.collections.ArrayCollection;

import mx.containers.HBox;

import mx.containers.VBox;

public class createChat extends VBox

{

/**

*

* @用于根据一个ArrayCollection生成多个lineChat

*/

//用于保存各chat

public var chartArray:Array=new Array

private var Width:int = 400

private var Height:int = 300

private var fontColor:String = "0x000000"

/**

*

* @param S 主值

* @param A 相关条件

* @param D dataProvider

*

*

*/

public function createChat(S:String, A:Array, D:ArrayCollection):void

{

for (var i:int=0; i < A.length; i++)

{

var _titleArr:Array=A[i].toString().split(",")

var lineChart:LineChart=new LineChart

lineChart.width=Width

lineChart.height=Height

lineChart.setStyle("color", fontColor)

lineChart.dataProvider=D;

var lineHAxis:CategoryAxis=new CategoryAxis()

lineHAxis.categoryField=S;

lineHAxis.dataProvider=D;

lineChart.horizontalAxis=lineHAxis;

var myLineSeries:Array=new Array();

for (var j:int=0; j < _titleArr.length; j++)

{

var lineSeries:LineSeries=new LineSeries();

lineSeries.xField=S;

lineSeries.yField=_titleArr[j];

lineSeries.displayName=_titleArr[j];

myLineSeries.push(lineSeries);

}

lineChart.series=myLineSeries;

var chartLegend:Legend=new Legend

chartLegend.setStyle("color", fontColor)

chartLegend.dataProvider=lineChart;

lineChart.showDataTips=true;

var hbox:HBox=new HBox

hbox.addChild(lineChart);

hbox.addChild(chartLegend);

this.addChild(hbox);

chartArray.push(hbox);

}

}

public function removeAll():void{

this.removeAllChildren()

}

}

}