flex與java交互

[b]Eclipse中flex插件的安裝[/b]
方法1：直接下載Flex Builder Eclipse 插件版安裝
方法2：安裝Flex Builder 3，然後將安裝目錄下features和plusins目錄中的內容copy到eclipse的對應目錄中

[b]Flex和java交互[/b]
1.新建一個flex項目
[img]http://dl.iteye.com/upload/picture/pic/62145/c45d2a9b-89da-3a26-925c-98a9afa72133.png[/img]
[img]http://dl.iteye.com/upload/picture/pic/62143/8a62a568-5c38-34a9-8555-6a3aa7605bc6.png[/img]
Blazeds.war放在tomcat的webapps目錄下，爲flex和java的交互提供支持。

2.和java整合
[img]http://dl.iteye.com/upload/picture/pic/62141/b8b24f30-4944-368b-a37d-a80a515c1c7e.png[/img]
選擇Add Web Project Capabilities
[img]http://dl.iteye.com/upload/picture/pic/62139/b4edf166-a4ce-3ff6-a3af-3f1019a1f273.png[/img]

3.修改配置
[img]http://dl.iteye.com/upload/picture/pic/62137/fa62b703-9fd9-3d86-8331-a9a3010fd074.png[/img]
把Context root改爲項目名稱

4.HelloWorld
目錄結構：
[img]http://dl.iteye.com/upload/picture/pic/62147/2e7b4b8a-786b-34ab-8b35-c6303d9eeace.png[/img]

源碼：
myflex.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
	<mx:Script>
 <![CDATA[
  import mx.rpc.events.ResultEvent;
  import mx.controls.Alert;
  [Bindable]
  function sendRequest(){
   hw.printHelloWorld();
   hw.addEventListener(ResultEvent.RESULT,showResult);
  }

  function showResult(event:ResultEvent){
   lab.text=event.result as String;
  }

 ]]>
</mx:Script>
<mx:RemoteObject id="hw" destination="HelloWorld" fault="Alert.show(event.fault.toString())">

</mx:RemoteObject>
 <mx:Panel x="340" y="77" width="284" height="242" layout="absolute" >
  <mx:VBox>
   <mx:Button label="HelloWorld" fontSize="15" click="sendRequest()"></mx:Button>
   <mx:Label id="lab"></mx:Label>
  </mx:VBox>
 </mx:Panel>
</mx:Application>

HelloWorld.java

package bean;

public class HelloWorld{
	public String printHelloWorld(){
		String str = "Hello World!";
		return str;
	}
}

remoting-config.xml

<destination id="HelloWorld">
        <properties>
            <source>bean.HelloWorld</source>
            <scope>application</scope>
        </properties>
    </destination>