package op;
import java.awt.*;
import javax.swing.*;import java.awt.Rectangle;import java.awt.event.*;import tools.*;import java.util.*;
/** * <p>Title: </p> * * <p>Description: </p> * * <p>Copyright: Copyright (c) 2007</p> * * <p>Company: </p> * * @author not attributable * @version 1.0 */public class login extends JDialog { JPanel panel1 = new JPanel(); JComboBox jComboBox1; JPasswordField jPasswordField1 = new JPasswordField(); JButton jButton1 = new JButton(); JButton btn_ok = new JButton(); DBConnection dcon = null; String name = null;
public login(Frame owner, String title, boolean modal) { super(owner, title, modal); try { this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE); jbInit(); pack(); } catch (Exception exception) { exception.printStackTrace(); } }
public login() { this(new Frame(), "login", false); }
private void jbInit() throws Exception { panel1.setLayout(null); jComboBox1 = new JComboBox(getM()); jComboBox1.setBounds(new Rectangle(55, 26, 130, 32)); jPasswordField1.setText(""); jPasswordField1.setBounds(new Rectangle(54, 85, 131, 37)); jButton1.setBounds(new Rectangle(140, 144, 86, 37)); jButton1.setText("关闭"); btn_ok.setBounds(new Rectangle(20, 143, 89, 41)); btn_ok.setText("确定"); getContentPane().add(panel1); panel1.add(jComboBox1, null); panel1.add(jPasswordField1); panel1.add(btn_ok); panel1.add(jButton1); this.setResizable(false); jButton1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); btn_ok.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { loginW(); } }); }public void closed() { this.dispose(); }
private void loginW() { if (jPasswordField1.getPassword().length == 0) { JOptionPane.showMessageDialog(this, "密码没有输入"); } else { dcon = new DBConnection(); String strpass = new String(jPasswordField1.getPassword()).trim(); String sql = "select * from Manager where manager_username='" + jComboBox1.getSelectedItem().toString().trim() + "' and manager_password='" + strpass + "'"; if (!dcon.isNull(sql)) { jPasswordField1.setText(""); JOptionPane.showMessageDialog(this, "密码错误"); name = null; }else { this.setVisible(false); name = jComboBox1.getSelectedItem().toString().trim(); } } }
private String[] getM() { dcon = new DBConnection(); String sql = "select manager_username from Manager"; Vector v = dcon.select(sql); String[] manger = new String[v.size()]; for (int i = 0; i < v.size(); i++) { manger[i] = ((Vector) v.get(i)).get(0).toString().trim(); } return manger; } public String username() { return name; }}
