private void comboCountry_Change(ItemEvent e) {
if(comboCountry.getSelectedIndex() > 0) {
List<Location> locs = locationDao.queryAllLocationsByPid(((Location)comboCountry.getSelectedItem()).id);
if(locs.isEmpty()) {
lblState.setVisible(false);
comboState.setModel(new DefaultComboBoxModel());
comboState.setVisible(false);
} else {
lblState.setVisible(true);
DefaultComboBoxModel model = new DefaultComboBoxModel();
model.addElement("请选择...");
for(Location loc : locs)
model.addElement(loc);
comboState.setModel(model);
comboState.setVisible(true);
}
} else {
lblState.setVisible(false);
comboState.setModel(new DefaultComboBoxModel());
comboState.setVisible(false);
}
}
UserSettingFrame.java 文件源码
java
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