ADD file via upload

LoginUI.java

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+package view;
+
+import java.awt.EventQueue;
+import java.awt.Font;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+import javax.swing.DefaultComboBoxModel;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JPasswordField;
+import javax.swing.JTextField;
+import javax.swing.border.EmptyBorder;
+
+import dao.GuanliyuanDao;
+import dao.impl.GuanliyuanImpl;
+import entity.Guanliyuan;
+
+public class LoginUI extends JFrame {
+
+	GuanliyuanDao dao = new GuanliyuanImpl();
+	public static String username;
+	public static String role;
+	private JPanel contentPane;
+	private JTextField textField;
+	private JPasswordField textField_1;
+	private JComboBox comboBox;
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
+				            if ("Nimbus".equals(info.getName())) {
+				                javax.swing.UIManager.setLookAndFeel(info.getClassName());
+				                break;
+				            }
+				        }
+					LoginUI frame = new LoginUI();
+					frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	public LoginUI() {
+		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+		setBounds(100, 100, 643, 508);
+		contentPane = new JPanel();		
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+		setTitle("家庭收支管理系统");
+		JLabel label = new JLabel("用户名");
+		label.setFont(new Font("楷体", Font.PLAIN, 20));
+		label.setBounds(104, 125, 110, 32);
+		contentPane.add(label);
+		
+		textField = new JTextField();
+		textField.setBounds(224, 119, 227, 38);
+		contentPane.add(textField);
+		textField.setColumns(10);
+		
+		JLabel label_1 = new JLabel("密码");
+		label_1.setFont(new Font("楷体", Font.PLAIN, 20));
+		label_1.setBounds(104, 210, 110, 32);
+		contentPane.add(label_1);
+		
+		textField_1 = new JPasswordField();
+		textField_1.setColumns(10);
+		textField_1.setBounds(224, 204, 227, 38);
+		contentPane.add(textField_1);
+		
+		JButton button = new JButton("登录");
+		button.addMouseListener(new MouseAdapter() {
+			public void mouseClicked(MouseEvent e) {
+				Guanliyuan gl = dao.findByUsername(textField.getText());
+				if(gl!=null){
+					if(gl.getMimayc().equals(textField_1.getText())){
+						username=gl.getYonghumingyc();
+						role=gl.getJiaoseyc();
+						if(!role.equals(comboBox.getSelectedItem().toString())){
+							JOptionPane.showMessageDialog(null, "用户名或密码错误,登录失败");
+							return;
+						}						
+						JOptionPane.showMessageDialog(null, "登录成功");
+						MainUI frame = new MainUI();
+						frame.setVisible(true);
+						setVisible(false);
+						return;
+					}
+				}
+
+				JOptionPane.showMessageDialog(null, "用户名或密码错误,登录失败");
+			}
+		});
+		button.setFont(new Font("楷体", Font.PLAIN, 20));
+		button.setBounds(175, 371, 105, 38);
+		contentPane.add(button);
+		JButton button_1 = new JButton("注册");
+		button_1.addMouseListener(new MouseAdapter() {
+			public void mouseClicked(MouseEvent e) {
+				RegistUI frame = new RegistUI();
+				frame.setVisible(true);
+			}
+		});
+		button_1.setFont(new Font("楷体", Font.PLAIN, 20));
+		button_1.setBounds(332, 371, 105, 38);
+		contentPane.add(button_1);
+		JLabel lblNewLabel = new JLabel("家庭收支管理系统");
+		lblNewLabel.setFont(new Font("楷体", Font.PLAIN, 28));
+		lblNewLabel.setBounds(235, 28, 497, 55);
+		contentPane.add(lblNewLabel);
+		
+		JLabel label_2 = new JLabel("角色");
+		label_2.setFont(new Font("楷体", Font.PLAIN, 20));
+		label_2.setBounds(104, 291, 110, 32);
+		contentPane.add(label_2);
+		
+		comboBox = new JComboBox();
+		comboBox.setModel(new DefaultComboBoxModel(new String[] {"管理员"}));
+		comboBox.setBounds(224, 291, 227, 32);
+		contentPane.add(comboBox);
+		
+		this.setLocationRelativeTo(null);
+	}
+}