问Filestream中的多变量(AS3)

EN

function writePion(): void { //First function to create/write in the file
    var pion: Object = new Object();
    pion.value = numeroPion; //value of object = variable value
    trace("Pion (writeObject value)= " + pion.value);

    var file2: File = File.applicationStorageDirectory.resolvePath("pion.menes");
    var fileStream2: FileStream = new FileStream();
    fileStream2.open(file2, FileMode.WRITE);
    fileStream2.writeObject(pion);
    fileStream2.close();
};

function readPion(): void { //second function to read the file and modify the variable.

    var file2: File = File.applicationStorageDirectory.resolvePath("pion.menes");
    if (!file2.exists) {
    return;
}
    var fileStream2: FileStream = new FileStream();
    fileStream2.open(file2, FileMode.READ);
    var pion: Object = fileStream2.readObject();
    numeroPion = pion.value; //update the variable
    trace("pion (readObject value)= " + numeroPion)
    fileStream2.close();
};