Flex 用接口把值传递给子界面

来源：互联网发布：电子标书制作软件编辑：程序博客网时间：2024/06/07 10:39

一、运行效果图

二、程序源代码

<Interface1.as>

package myInterface{public interface Interface1{function func1(par_str:String):String;}}

<moduel.mxml>

<?xml version="1.0" encoding="utf-8"?><mx:Module xmlns:fx="http://ns.adobe.com/mxml/2009"    xmlns:s="library://ns.adobe.com/flex/spark"    xmlns:mx="library://ns.adobe.com/flex/mx"    layout="absolute" width="290" height="195"    verticalAlign="middle" horizontalAlign="center"    implements="myInterface.Interface1"><fx:Script><![CDATA[import myInterface.Interface1;/** * 实现接口函数实体 * */public function func1(par_str:String):String{txt_value.text=par_str;return "我是Fnuc1的返回值";}]]></fx:Script><fx:Declarations><!-- 将非可视元素（例如服务、值对象）放在此处 --></fx:Declarations><s:Label text="显示从主画面传入函数参数" width="202" fontSize="14" x="47" y="49"/><s:TextInput id="txt_value" width="174" enabled="false" x="47" y="87"/></mx:Module>

<textInterface.mxml>

<?xml version="1.0" encoding="utf-8"?><s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"    xmlns:s="library://ns.adobe.com/flex/spark"    xmlns:mx="library://ns.adobe.com/flex/mx"    minWidth="955" minHeight="600" xmlns:ns1="*"    creationComplete="init()"><fx:Script><![CDATA[import myInterface.Interface1;/** * 初始化 * */private function init():void{//加载子界面moduleLoader1.url="moduel.swf";}/** * 通过接口调用子界面1中的函数func1 * */protected function button1_clickHandler(event:MouseEvent):void{//定义接口变量var ichild:Interface1=moduleLoader1.child as myInterface.Interface1;if(ichild!=null){  //调用接口函数  txtResult1.text=ichild.func1(txtData1.text);}}]]></fx:Script><fx:Declarations><!-- 将非可视元素（例如服务、值对象）放在此处 --></fx:Declarations><mx:Panel x="333" y="92" width="381" height="244" title="子界面"><mx:ModuleLoader width="377" height="211" id="moduleLoader1" y="0"/></mx:Panel><s:Panel x="46" y="92" width="262" height="245" title="通过接口调用子界面中的函数"><s:TextInput x="71" y="47" id="txtData1"/><s:TextInput x="71" y="134" id="txtResult1"/><s:Button x="71" y="91" id="but1" label="调用函数" click="button1_clickHandler(event)"/><s:Label x="71" y="27" text="测试接口函数：func1" fontFamily="中易宋体"/><s:Label x="10" y="47" text="函数参数" height="24" verticalAlign="middle" fontFamily="中易宋体"/><s:Label x="3" y="138" text="函数返回值" height="18" fontFamily="中易宋体" verticalAlign="middle"/></s:Panel></s:Application>