问将jquery.get()设置为不起作用的变量

EN

printButton.onclick = function() {
    try {
        printButton.disabled = true;
        settings.currentPrinterName = printersComboBox.value;
        var printer = printers[settings.currentPrinterName];
        if (!printer)
            throw new Error("Select printer");
        var label = null;
        if (printer.printerType == "LabelWriterPrinter") {
            label = addressLabel;
        }
        if (!label)
            throw new Error("Label is not loaded. Wait until is loaded or reload the page");
        var labelSet = new dymo.label.framework.LabelSetBuilder();
        var barcode
        $("#memchk :checked").each(function(){
            var value = $(this).val();
            var barcode;
            var record = labelSet.addRecord();
            $.get("http://ranch/sunrise/wolf/plugins/member_directory/views/barcode.php",{encString: value}, function(data){
                //alert(data.split("."));
                barcode = data.split(".");
            });
            alert(barcode[0]);
            record.setText("TEXT", barcode[0]);
            record.setText("TEXT_1", barcode[1]);
            record.setText("TEXT_2", barcode[2]);
            record.setText("TEXT_3", barcode[3]);
            record.setText("TEXT_4", barcode[4]);
            record.setText("TEXT_5", barcode[5]);
            record.setText("TEXT_6", barcode[6]);
            record.setText("TEXT_7", barcode[7]);
            record.setText("TEXT_8", barcode[8]);
            var memName = value.split("^");
            record.setText("TEXT_9", memName[0]);
        });
        //label.print(printer.name, null, labelSet.toString());
        saveSettings();
    } catch(e) {
        printButton.disabled = false;
        alert(e);
    }
    printButton.enabled = true;
}