示例：

获取存储卷的方法：

package com.controls{    import flash.events.StorageVolumeChangeEvent;    import flash.filesystem.StorageVolume;    import flash.filesystem.StorageVolumeInfo;    /**     * @author Frost.Yen     * @E-mail 871979853@qq.com     * @create 2016-10-10 下午3:31:57     *     */    public class StorageVolumeControl    {                public function StorageVolumeControl()        {            //监听外部设备连接和断开状态            if (StorageVolumeInfo.isSupported)            {                trace("平台支持 StorageVolumeInfo 类");                //卷装入;                StorageVolumeInfo.storageVolumeInfo.addEventListener(StorageVolumeChangeEvent.STORAGE_VOLUME_MOUNT, onVolumeMount);                //存储卷卸载;                StorageVolumeInfo.storageVolumeInfo.addEventListener(StorageVolumeChangeEvent.STORAGE_VOLUME_UNMOUNT, onVolumeUnmount);            }            else            {                trace("平台不支持 StorageVolumeInfo 类");            }        }        private function onVolumeMount(e:StorageVolumeChangeEvent):void        {            trace( e.storageVolume.name,"检测到可移动磁盘" );            //trace( e.storageVolume.fileSystemType );            //trace( e.storageVolume.isRemovable );            //trace( e.storageVolume.isWritable );            //trace( e.storageVolume.rootDirectory );            //trace( e.storageVolume.rootDirectory.nativePath );        }        private function onVolumeUnmount(e:StorageVolumeChangeEvent):void        {            trace("卸载可移动磁盘" );        }        /**         * 获取所有 存储卷对象StorageVolume         * @return          *          */                public function getStorageVolumes():Vector.
     
              {            var volumes:Vector.
      
         = new Vector.
       
        ;            volumes = StorageVolumeInfo.storageVolumeInfo.getStorageVolumes();            return volumes;        }        /**         * 获取可以可删除的存储卷（ 操作系统将存储卷视为可删除 (true) 还是不可删除 (false)。）          * @return          *          */                public function getRemovable():Vector.
        
                 {            var removable:Vector.
         
           = new Vector.
          
           (); var volumes:Vector.
           
            = getStorageVolumes(); for (var i:int = 0; i < volumes.length; i++) { if (volumes[i].isRemovable) { trace(volumes[i].rootDirectory.nativePath); removable.push(volumes[i]); } } return removable; } }}
           
          
         
        
       
      
     

打开第一个U盘：

var volumes:Vector.
     
       = _storageVolume.getRemovable();if(volumes.length){    var file2:File =new File(volumes[0].rootDirectory.nativePath);    file2.openWithDefaultApplication();}