flex(air)写入本地文本文件实例

编程技术  /  houtizong 发布于 3年前   42

<?xml version="1.0" encoding="utf-8"?><mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="horizontal" fontSize="12"    creationComplete="getStudentInfo('helloworld')">        <mx:Script>    <![CDATA[            import mx.controls.Alert;    import flash.filesystem.File;    import flash.filesystem.FileMode;    import flash.filesystem.FileStream;        private function getStudentInfo(str:String):void{    /*File.applicationDirectory.nativePath的值是：         C:\Documents and Settings\a\My Documents\Flex Builder 3\readTxtDemo\bin-debug    */                var file:File = new File("D:\\dataTest\\student.txt");    //若没有此文件就创建它                var stream:FileStream = new FileStream();    //创建FileStream对象                stream.open(file, FileMode.WRITE);    //使用FileStream对象以只读方式打开File对象                stream.writeUTFBytes(str);                stream.close();    //关闭FileStream对象            }    ]]>    </mx:Script>        <mx:Panel title="从文件中读取数据" verticalAlign="middle" horizontalAlign ="center" width="90%" height="90%">        <mx:TextArea id="txtTextAreaID"  width="300" height="200" borderColor="#FF0000" borderThickness="5"/>    </mx:Panel>    </mx:WindowedApplication>