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flex实现股票行情走势图示例代码
 
第一步:
jsp:1
复制代码 代码如下:

<%@page import="java.util.Random,java.util.GregorianCalendar"%>
<?xml version="1.0" encoding="utf-8"?>
<items>
<%
GregorianCalendar calendar = new GregorianCalendar();
int year = calendar.get(calendar.YEAR);
int month = calendar.get(calendar.MONTH) + 1;
int today = calendar.get(calendar.DAY_OF_MONTH);
String strday=year+","+month+","+today+",";
int sb = 400;
String[] dates = new String[] {strday+"14,60"};

String crutime=request.getParameter("time");
///crutime=crutime.replace(":",",");
if(crutime!=null){
crutime=crutime.replace(":",",");
dates = new String[] {strday+crutime};

}
for (int i = 0; i < dates.length; i++) {
Random random = new Random();
int r = random.nextInt(1000);
%>
<item> <value>
<%
if (i < 10) {
%><%=r%>
<%
}
%>
</value> <date><%=dates[i]%></date> <sb><%=sb%></sb> </item>
<%
}
%>
</items>

jsp:2
复制代码 代码如下:

<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+request.getContextPath();
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<SCRIPT language="JScript.Encode" src="Js/SwfObject.js" type="text/javascript"></SCRIPT>
</head>
<body topmargin="0" leftmargin="0">
<div align="center" style="margin-top: 40;">
<div id="flashcontent" width="600" height="400" align="center" ></div>
<script type="text/javascript">
var so = new SWFObject("<%=path%>/testfrist.swf", "Main", "600", "400","9.0", "#ffffff", "high");
so.addVariable("myAmfurl","<%=path%>/nxsy.jsp");
so.addVariable("myAmtitle","牛熊双赢");
so.write("flashcontent");
</script>
</div>
</body>
</html>

第二步flex代码:
复制代码 代码如下:

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="100%" backgroundColor="white" creationComplete="init();">
<mx:Style>
.font12{font-family:宋体;fontSize:15}

.lenchar{
bar-color:red;
}

.mypanelTitle {
color: #66ccff;
fontFamily: Comic Sans MS;
fontWeight: normal;
textDecoration: underline;
}
</mx:Style>
<mx:Script><![CDATA[
import flash.sampler.getMemberNames;
import mx.charts.chartClasses.IAxis;
import mx.charts.LinearAxis;
import mx.charts.HitData;
import mx.collections.ArrayCollection;
import mx.rpc.events.ResultEvent;
import mx.controls.Alert;
import mx.charts.renderers.CircleItemRenderer;
import mx.graphics.Stroke;
import mx.controls.DateField;
[Bindable]
private var myAmfurl:String = ""; //用于连接到外部页面
[Bindable]
private var myAmtitle:String = ""; //用于连接到外部页面
[Bindable]
public var testDatas:ArrayCollection=new ArrayCollection();
[Bindable]
private var expenses:ArrayCollection = new ArrayCollection();
[Bindable]
private var arr:Array = new Array();
[Bindable]
private var mintime:Date;
[Bindable]
private var maxtime:Date;
[Bindable]
private var smintime:Date;
[Bindable]
private var emaxtime:Date;
private var timer:Timer;
private var stocksb:Number;
private var dateVar:Date;
private var d: Date = new Date();
private function init():void{

// setInterval(torequest,2000);
myAmfurl = Application.application.parameters.myAmfurl; //风险追溯链接
myAmtitle=Application.application.parameters.myAmtitle;
timer = new Timer(1000);
timer.addEventListener(TimerEvent.TIMER, torequest)
timer.start();

}
public function torequest(et:Event):void{
setstyle();
realtimeservice.send();
}
//用于设置样式
public function setstyle():void{

}
private function formatDataTip(hitData:HitData):String
{
var s:String = hitData.item.date.toString();
var a:Array = s.split(",");
var str:String=a[3]+":"+a[4];
str += "\n";
str += hitData.item.value;
return str;
}
private function parseDate(value:String):Date{

var a:Array = value.split(",");
var newDate:Date = new Date(a[0],a[1],a[2],a[3],a[4]);

return newDate;
}

private function getResult(e:ResultEvent):void{
var min:String="";

var pattern:RegExp=/,/gi;
for each (var resultXML:XML in e.result.item){

var tmpobj:Object=new Object();
tmpobj.value=resultXML.value;
tmpobj.date=resultXML.date;
tmpobj.sb=resultXML.sb;
stocksb=Number(tmpobj.sb);
var str=tmpobj.date;
var a:Array = str.split(",");
mintime= new Date(a[0],a[1],a[2],9,30);
smintime= new Date(a[0],a[1],a[2],11,30);
min=tmpobj.date;
maxtime=new Date(a[0],a[1],a[2],15,00);
emaxtime=new Date(a[0],a[1],a[2],13,00);
if(expenses.length==0){
expenses.addItem(tmpobj);
}else{
var check:int=0;
if(expenses.length>0){
for each(var subtempobj:Object in expenses){
if(String(subtempobj.date).replace(pattern,"")==String(tmpobj.date).replace(pattern,"")){
check=1;
}
}
}
if(check==0){
expenses.addItem(tmpobj);
check=0;
}
}


}
var tmpobj1:Object=new Object();
var tmpobj2:Object=new Object();
var a:Array = min.split(",");
tmpobj1.value=stocksb;
tmpobj1.date=a[0]+","+a[1]+","+a[2]+","+"9,30";
tmpobj2.value=stocksb;
tmpobj2.date=a[0]+","+a[1]+","+a[2]+","+"15,00";
testDatas.addItem(tmpobj1);
testDatas.addItem(tmpobj2);
}
private function mylabel(labelValue:Object, previousValue:Object, d:IAxis):String {
var temp:String="";
var currvalue:Number = Number(labelValue.toString());
if(currvalue>stocksb){
temp = '<font color="#ff0000" size="11">'+labelValue.toString()+'</font>';
}else{
temp = '<font color="#48ff00" size="11">'+labelValue.toString()+'</font>';
}
return temp;
}

]]></mx:Script>
<!-- Define custom Strokes. -->
<mx:Stroke id = "s1" color="#FFFFFF" weight="0.1"/>
<mx:Stroke id = "s2" color="#F1F1B8" weight="1"/>
<mx:Stroke id = "s3" color="green" weight="1"/>
<mx:Stroke id="vstroke" color="red" weight="1" alpha="0.6"/>

<mx:HTTPService result="getResult(event);" id="realtimeservice" url="{myAmfurl}" useProxy="false" resultFormat="e4x" method="POST">

</mx:HTTPService>

<mx:Panel title="{myAmtitle}" fontSize="15" height="100%" width="100%" color="red" backgroundColor="#000000" borderStyle="inset">


<mx:LineChart styleName="lenchar" dataTipFunction="formatDataTip" showDataTips="true" height="100%" width="100%" id="chart" fontFamily="宋体" fontSize="12">
<mx:backgroundElements>
<mx:GridLines direction="both">
<mx:horizontalStroke>
<mx:Stroke color="red" weight="1" alpha="0.6"/>
</mx:horizontalStroke>
<mx:verticalStroke>
<mx:Stroke color="red" weight="1" alpha="0.2"/>
</mx:verticalStroke>
</mx:GridLines>
</mx:backgroundElements >
<!-- vertical axis -->
<mx:verticalAxis>
<mx:LinearAxis id="va" baseAtZero="false" title="" labelFunction="mylabel"/>
</mx:verticalAxis>
<mx:horizontalAxis>
<!--mx:CategoryAxis id="ca" categoryField="date" displayName="date" title="date" /-->
<!--mx:LinearAxis displayName="date" minimum="1" id="ca" interval="10"/ -->
<!--<mx:DateTimeAxis dataUnits="seconds" interval="30" minimum="{minDate}" maximum="{maxDate}"/>-->

<!--<mx:DateTimeAxis id="hAxis" parseFunction="parseDate" interval="1" minimum="{mintime}" maximum="{maxtime}" displayLocalTime="true" dataInterval="1" dataUnits="hours" labelUnits="hours" />-->
<mx:DateTimeAxis id="hAxis"
disabledDays="{[0,6]}"
disabledRanges="{[{rangeStart:smintime, rangeEnd:emaxtime}]}"
parseFunction="parseDate" interval="1" minimum="{mintime}" maximum="{maxtime}" displayLocalTime="true" dataInterval="30" dataUnits="minutes" labelUnits="minutes"

/>
</mx:horizontalAxis>
<!-- horizontal axis renderer -->
<mx:horizontalAxisRenderers>
<mx:AxisRenderer axis="{hAxis}" canDropLabels="true" axisStroke="{vstroke}" />
</mx:horizontalAxisRenderers>

<mx:verticalAxisRenderers>
<mx:AxisRenderer axis="{va}" canDropLabels="true" axisStroke="{vstroke}" />
</mx:verticalAxisRenderers>

<!-- series -->
<mx:series>
<mx:LineSeries id="series" yField="value" xField="date" displayName="value" dataProvider="{this.expenses}" lineStroke="{s1}" />
<mx:LineSeries yField="value" xField="date" displayName="TestData" dataProvider="{this.testDatas}" lineStroke="{s2}" />
</mx:series>
</mx:LineChart>

</mx:Panel>

</mx:Application>
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