Flex读取xml文件
主要有两个方法：
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（1）通过HTTPService
（2）通过URLLoader
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代码如下：
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mxml代码
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<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()"><mx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.rpc.events.ResultEvent; import mx.rpc.http.HTTPService; public const xmlUrl:String = "config.xml"; [Bindable] private var colors1:ArrayCollection; [Bindable] private var colors2:XML; private function init():void{ //方法一：通过HTTPService var service:HTTPService = new HTTPService(); service.url = xmlUrl; service.addEventListener(ResultEvent.RESULT, resultHandler); service.send(); //方法二：通过URLLoader var request:URLRequest = new URLRequest(xmlUrl); var loader:URLLoader = new URLLoader(request); loader.addEventListener(Event.COMPLETE, loaderCompleteHandler); } private function resultHandler(event:ResultEvent):void{ colors1 = event.result.colors.color; } private function loaderCompleteHandler(event:Event):void{ colors2 = new XML(event.target.data); } ]]></mx:Script><mx:List x="100" y="150" dataProvider="{colors1}" labelField="name"></mx:List><mx:List x="300" y="150" dataProvider="{colors2.color}" labelField="@name"></mx:List></mx:Application>?config.xml文件
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<colors><color name="LightGrey" value="#D3D3D3"/><color name="Silver" value="#C0C0C0"/><color name="DarkGray" value="#A9A9A9"/><color name="Gray" value="#808080"/><color name="DimGray" value="#696969"/><color name="Black" value="#000000"/></colors>
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实例：
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登录
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<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"><mx:Script><![CDATA[import mx.controls.Alert;import mx.rpc.events.ResultEvent;import flash.net.navigateToURL;private function goLogin():void{login.send();}private function resultHandler(event:ResultEvent):void{var entry:String = event.result.users.a.toString();if(entry == 'ok'){}else{Alert.show('Username or Password is/are wrong !');}}]]></mx:Script><mx:HTTPService id="login" method="POST" showBusyCursor="true" url="flexlogin.php" result="resultHandler(event)"><mx:request xmlns=""><mx:username> {username.text} </mx:username><mx:userpwd> {userpwd.text} </mx:userpwd></mx:request></mx:HTTPService><mx:Panel width="310" height="265" layout="absolute" title="登录" fontSize="12" fontWeight="normal"><mx:TextInput x="93" y="51" id="username" fontSize="12"/><mx:TextInput x="92" y="95" id="userpwd" fontSize="12" displayAsPassword="true"/><mx:Button x="73" y="154" label="登录" id="btn1" click="goLogin()" fontWeight="normal" fontSize="12"/><mx:Label x="32" y="53" text="用户名：" fontSize="12"/><mx:Label x="43" y="97" text="密码：" fontSize="12"/><mx:Button x="154" y="154" label="注册" fontSize="12" fontWeight="normal" id="btn2"/><mx:Label x="10" y="10" text="测试用 用户名 User 密码 123456" fontSize="12" width="243"/></mx:Panel></mx:Application>?
flexlogin.php
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<?php $return="";if(isset($_POST[username]) && isset($_POST[userpwd])){ if ("User"==$_POST[username] && "123456"==$_POST[userpwd]) $return="ok"; else $return="error";}$xml_return = '<users>';$xml_return.= '<a>'.$return.'</a>';$xml_return.= '</users>';echo $xml_return;?实例：
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rss
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<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="feedRequest.send()"><mx:Script><![CDATA[import flash.net.navigateToURL;]]></mx:Script><!-- 利用flex获取并显示数据2 --><mx:HTTPService id="feedRequest" url="flexXml.xml" useProxy="false"/><mx:Panel x="10" y="10" width="475" height="400" layout="absolute" title="{feedRequest.lastResult.rss.channel.title}" ><mx:DataGrid x="10" y="10" id="dgPosts" width="400" dataProvider="{feedRequest.lastResult.rss.channel.item}"><mx:columns><mx:DataGridColumn headerText="Posts" dataField="title"/><mx:DataGridColumn headerText="Date" dataField="pubDate" width="150"/></mx:columns></mx:DataGrid><mx:LinkButton x="10" y="225" label="Read full part" click="navigateToURL(new URLRequest(dgPosts.selectedItem.link));"/><mx:TextArea x="10" y="175" width="400" htmlText="{dgPosts.selectedItem.description}"/></mx:Panel></mx:Application>?flexXml.xml
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<?xml version="1.0" encoding="utf-8"?><rss version="2.0"><!-- 该文件放到tomcat的root目录 --><channel><title>你好,flex获取并显示数据</title><item><title>hello world</title><description> this is a best exanple in flex,you can do it with me ,and may you hava a wanderful future </description><link>http://hi.baidu.com/shiryu963</link><guid>http://hi.baidu.com/shiryu963</guid><category>general</category><pubDate>2009.6.8 12:17:11</pubDate></item><item><title>hello kava</title><description> best wishs to me,this is a best exanple in flex,you can do it with me ,and may you hava a wanderful future </description><link>http://hi.baidu.com/shiryu963</link><guid>gech.com</guid><category>general</category><pubDate>2009.8.8 6:20:11</pubDate></item><item><title>hello shiryu</title><description> i hava a best wish to you,this is a best exanple in flex,you can do it with me ,and may you hava a wanderful future </description><link>http://hi.baidu.com/shiryu963</link><guid>hahahhahhahahah</guid><category>improtant</category><pubDate>2009.4.22 6:20:11</pubDate></item></channel></rss>
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1 楼 tomfish88 2011-03-22 config.xml 的路径怎么写？ 放在哪个路径下啊 2 楼 天梯梦 2011-03-23 tomfish88 写道config.xml 的路径怎么写？ 放在哪个路径下啊