Flex接收51单片机发送过来的16进制数据转换为String

private static function toHex(bytes:ByteArray):String{

var pos:int =bytes.position;

bytes.position=0;

var result:String="";

while(bytes.bytesAvailable>=8){

result+=toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte())

+""+toHexNum(bytes.readUnsignedByte());

}

while(bytes.bytesAvailable>1){

result+=toHexNum(bytes.readUnsignedByte())+"";

}

if(bytes.bytesAvailable){

result+=toHexNum(bytes.readUnsignedByte());

}

bytes.position=pos;

return result;

}

private static function toHexNum(n:uint):String{

//return 0<0xF?" "+n.toString(16):n.toString(16);

return String.fromCharCode(n.toString());

}