AIR读取本地文件

你的名字 2022-07-16 11:19 253阅读 0赞

<?xml version="1.0" encoding="utf-8"?>  
<mx:WindowedApplication xmlns:mx="[http://www.adobe.com/2006/mxml][http_www.adobe.com_2006_mxml]"  
layout="horizontal" fontSize="12"  
    creationComplete="getStudentInfo()">  
     
    <mx:Script>  
    <!\[CDATA\[  
         import mx.controls.Alert;  
       import flash.filesystem.File;  
       import flash.filesystem.FileMode;  
       import flash.filesystem.FileStream;  
       
       private function getStudentInfo():void\{  
        /\*File.applicationDirectory.nativePath的值是：  
            C:/Documents and Settings/a/My Documents/Flex Builder 3/readTxtDemo/bin-debug  
        \*/  
//        Alert.show(File.applicationDirectory.nativePath);  
                //创建File对象获取文件路径  
                trace(File.applicationStorageDirectory.nativePath);  
                var file:File = new File(File.applicationDirectory.nativePath + "/student.txt");  
                var stream:FileStream = new FileStream();    //创建FileStream对象  
                stream.open(file,FileMode.READ);    //使用FileStream对象以只读方式打开File对象  
                //将文件中的所有信息显示在文本区域中  
                txtTextAreaID.text = stream.readUTFBytes(stream.bytesAvailable);  
                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>

[http_www.adobe.com_2006_mxml]: http://www.adobe.com/2006/mxml