FLEX 与现有开发语言的通信全面解析
以下介绍几种最为常见和实用的FLEX与现有开发语言通信的方法：
1.C#
2.PHP
3.JAVA
1.Flex与C#通信(.net开发中常用)
Flex端代码:
public static function SendMessage(objXML:XML,objResultHandle:Function):void
{
var objHttpService:HTTPService = new HTTPService();
objHttpService.url = "http://localhost:8085/upfiledata.aspx"; //发送到的C#页面
objHttpService.resultFormat = "e4x";
objHttpService.addEventListener(ResultEvent.RESULT,objResultHandle);
objHttpService.method = "POST";
objHttpService.contentType = "application/xml";
objHttpService.send(objXML); //objXML 要发送的数据
}
public function objResultHandle(evt:ResultEvent):void
{
evt //接收到的数据
}
C#端:
protected void Page_Load(object sender, EventArgs e)
{
XmlDocument objProtocolDom = new XmlDocument();
objProtocolDom.Load(Request.InputStream); //objProtocolDom接收来自Flex端所发送的数据流
Response.ContentType = "text/xml";
Response.Write(objResultDom.OuterXml); //向Flex端下发数据流
}
2.Flex与php通信
Flex代码:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.co
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as:
var app:Object;
function setApp(ap:Object):void{
this.app=ap;
}
btn.addEventListener(MouseEvent.CLICK,onClick);
function onClick(event:MouseEvent):void{
app.fun(btn.label);
}
flex:
private function onSwfLoaded(event:Event):void
{
myloader.addEventListen ......
<mx:DataGrid id="dg" click="select()" dataProvider= "{modelLocator.resultList}" borderStyle="none"
verticalGridLines="false" horizontalGridLines="false" verticalScrollPolicy="off" rowCount="10"
fontSize="16" fontStyle="normal" fontThickness="0" width="100%" height="100%">
<mx:columns& ......
<?xml version="1.0"?>
<!-- Simple example to demonstrate the Alert control. -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script& ......
Flex事件机制是观察者模式，即首先要注册事件，事件分发后通过事件响应函数进行处理。
例如在AS3中：
button.addEventListener(“click”,onClick);//向button注册一个click事件
internal function onClick(evt:MouseEvent):void{txt.text=“click a button!”;}//事件响应函数 那么注册事件注册什么呢？通 ......
