public Fee(String identity) {
usersDao = new UsersDao();
this.users = usersDao.findUsersByIdentity(identity);
// this.userMain=userMain;
fee = this;
feeRecordDao = new FeeRecordDao();
houseDao = new HouseDao();
this.setBounds(300, 200, 300, 250);
// this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("缴费:" + users.getUsername());
this.setLayout(null);
houseLabel = new JLabel("您要缴费的房屋：");
houseLabel.setBounds(20, 20, 150, 20);
feeLabel = new JLabel("您当前应缴费的面积：");
feeLabel.setBounds(20, 60, 200, 20);
// 获取当前用户的房子，可能返回多个值
ArrayList<House> list = houseDao.findHouseByIdentity(users.getIdentity());
int size = list.size();
// 这儿定义数组的时候一定要确定数组的长度，否则会发生数组越界错误
String[] values;
values = new String[size];
for (int i = 0; i < size; i++) {
values[i] = list.get(i).getHouseid() + "";
}
boxModel = new DefaultComboBoxModel(values);
box = new JComboBox(boxModel);
box.setBounds(150, 20, 80, 20);
// System.out.println(box.getSelectedItem());
// 获取选中的房子
House house = houseDao.findHouseByHouseid(Integer.parseInt(box.getSelectedItem().toString()));
// 获取房子的面积
double area = house.getArea();
feeTextField = new JTextField(20);
feeTextField.setText(area + "");
feeTextField.setEditable(false);
feeTextField.setBounds(150, 60, 50, 20);
priceLabel = new JLabel("平米*1.5元/平米");
priceLabel.setBounds(200, 60, 100, 20);
submitBtn = new JButton("确认缴费");
submitBtn.setBounds(100, 100, 100, 20);
// 监听器
submitBtn.addActionListener(new MyBtnListener());
box.addItemListener(new MyItemListener());
this.add(box);
this.add(submitBtn);
this.add(feeTextField);
this.add(feeLabel);
this.add(priceLabel);
this.add(houseLabel);
this.setVisible(true);
}
@Override
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
int num = box.getSelectedIndex();
House house =
houseDao.findHouseByHouseid(Integer.parseInt(box.getSelectedItem().toString()));
// 获取房子的面积
double area = house.getArea();
// 把textfile里放入面积
feeTextField.setText(area + "");
}
}