如何做好Flex與Java交互
三種flex4與Java順利通信的方式是:
flex與普通java類通信RemoteObject;
flex與服務(wù)器交互HTTPService;
flex與webservice交互WebService。
當(dāng)大家嘗試使用flex與普通java類通信時,一般用RemoteObject,具體的代碼段如下:
package com.flex.demo;
/** *第一種 功能描述:該類用來實現(xiàn)flex與普通java類中的方法通信 * @author Administrator */ //以上是打頭的功能描述,可以不寫。 <!--flex 與普通java類通信--> <s:RemoteObject id=“serv“ destination=“myservice“ fault=“serv_faultHandler(event)“ result=“serv_resultHandler(event)“> <properties> <source>com.flex.demo.SimpleService</source> </properties> </s:RemoteObject> [js] view plaincopy <!--flex 與服務(wù)器交互HTTPService--> <!--servlet代碼--> /** * 第二種 功能描述:該servlet用來與flex進(jìn)行交互 * @author Administrator */ @SuppressWarnings(“serial“) public class SimpleServiceServlet extends HttpServlet { @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding(“utf-8“); response.setCharacterEncoding(“utf-8“); response.getWriter().write(“我是服務(wù)器“); } } |
flex與服務(wù)器交互HTTPService,flex端代碼
<!-- flex 與服務(wù)器交互--> <s:HTTPService id=“service“ fault=“service_faultHandler(event)“ result=“service_resultHandler(event)“ url=“http://localhost:8080/flexdemo/simpleServiceServlet“> </s:HTTPService> <!--第三種 flex與webservice交互WebService--> <!--flex與webservice交互這里調(diào)用一個天氣預(yù)報的webservice--> <s:WebService id=“ws“ wsdl=“http://www.webxml.com.cn/WebServices/WeatherWebService.asmx?wsdl“ fault=“ws_faultHandler(event)“ result=“ws_resultHandler(event)“ showBusyCursor=“true“> <!-- 調(diào)用webservice的方法<speration>--> |
另外,我想說一下的是,對于彈出框的代碼段雖然是很簡單的,但是也最好不要漏掉:
protected function service_faultHandler(event:FaultEvent):void{ Alert.show(“調(diào)用失敗了:“+event.fault.message as String,“提示“); } protected function service_resultHandler(event:ResultEvent):void{ Alert.show(“調(diào)用成功了:“+event.result as String,“提示“); } <span style="font-family:Arial; background-color:#ffffff"></span> |