flex连接mysql数据库

<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical"  xmlns:mysql="com.maclema.mysql.mxml.*">  <mx:Script>   <![CDATA[    import mx.controls.Alert;    import com.maclema.mysql.events.MySqlErrorEvent;    import com.maclema.mysql.mxml.MySqlService;    import com.maclema.util.ResultsUtil;     private function sendToMysql():void{     service.send("SELECT * FROM user_table");        }    private function handleError(e:MySqlErrorEvent):void{      Alert.show(e.msg);    }   ]]>  </mx:Script> <mysql:MySqlService  id="service"   hostname="localhost" port="3306" username="root" password="123"    database="db_connect" autoConnect="true" connect="sendToMysql()"    sqlError="handleError(event)" />   <mx:DataGrid id="grid"  width="300" dataProvider="{service.lastResult}"                columns="{ResultsUtil.getDataGridColumns(service.lastResultSet)}" /> </mx:Application>

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