Flex与后台数据库交互

Flex3中实现全屏效果

flex中使用corel

Sep 3

zpgm , 21:30 , Flex & actionscript , 评论(4) , 引用(0) , 阅读(1893) , Via 本站原创

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HTTPService

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)"> 
    <mx:Script> 
        <![CDATA[ 
            private function initializeHandler(event:Event):void { 
                countriesService.send(); 
            } 
            private function changeHandler(event:Event):void { 
                statesService.send(); 
            } 
        ]]> 
    </mx:Script> 
     
    <mx:HTTPService id="countriesService" url="http://www.rightactionscript.com/states/xml/countries.xml" /> 
     
    <mx:HTTPService id="statesService" url="http://www.rightactionscript.com/states/xml/states.php"> 
         
        <mx:request> 
            <country>{country.value}</country> 
        </mx:request> 
    </mx:HTTPService> 
    <mx:VBox> 
         
        <mx:ComboBox id="country" dataProvider="{countriesService.lastResult.countries.country}" 
            change="changeHandler(event)" /> 
             
         
        <mx:ComboBox dataProvider="{statesService.lastResult.states.state}" /> 
    </mx:VBox> 
</mx:Application>

URLLoader

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)"> 
    <mx:Script> 
        <![CDATA[ 
            private var _countriesService:URLLoader; 
            private var _statesService:URLLoader; 
            private function initializeHandler(event:Event):void { 
                _countriesService = new URLLoader(); 
                _countriesService.addEventListener(Event.COMPLETE, countriesCompleteHandler); 
                _countriesService.load(new URLRequest("http://www.rightactionscript.com/states/xml/countries.xml")); 
                 
                _statesService = new URLLoader(); 
                _statesService.addEventListener(Event.COMPLETE, statesCompleteHandler); 
                XML.ignoreWhitespace = true; 
            } 
            private function countriesCompleteHandler(event:Event):void { 
            var xml:XML = new XML(_countriesService.data); 
            country.dataProvider = xml.children(); 
            } 
            private function statesCompleteHandler(event:Event):void { 
                var xml:XML = new XML(_statesService.data); 
                state.dataProvider = xml.children(); 
            } 
            private function changeHandler(event:Event):void { 
                var request:URLRequest = new URLRequest("http://www.rightactionscript.com/states/xml/states.php"); 
                var parameters:URLVariables = new URLVariables(); 
                parameters.country = country.value; 
                request.data = parameters; 
                _statesService.load(request); 
            } 
        ]]> 
    </mx:Script> 
    <mx:VBox> 
    <mx:ComboBox id="country" change="changeHandler(event)" /> 
    <mx:ComboBox id="state" /> 
    </mx:VBox> 
</mx:Application>

WebService 方法一

WebService 方法二