您必须像这样禁用NumberFormat对象中的分组:
NumberFormat format = NumberFormat.getIntegerInstance();format.setGroupingUsed(false);myNumberBox = new JFormattedTextField(format);
请参阅:NumberFormat.setGroupingUsed

您必须像这样禁用NumberFormat对象中的分组:
NumberFormat format = NumberFormat.getIntegerInstance();format.setGroupingUsed(false);myNumberBox = new JFormattedTextField(format);
请参阅:NumberFormat.setGroupingUsed