第十二周

package Demo;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

class test1 {
    private JFrame frame = new JFrame("登录窗口");
    private JButton submit = new JButton("登录");
    private JButton reset = new JButton("重置");
    private JLabel nameLab = new JLabel("用户名：");
    private JLabel passLab = new JLabel("密码：");
    private JLabel infoLab = new JLabel("用户登录系统");
    private JTextField nameText = new JTextField();            
    private JPasswordField passText = new JPasswordField();
    
    public test1() {                                 
        submit.addActionListener(new ActionListener() {         
            public void actionPerformed(ActionEvent arg0) {
                if(arg0.getSource() == submit) {                
                    String tname = nameText.getText();         
                    String tpass = new String(passText.getPassword());
                    
                    if(tname.equals("唐")&&tpass.equals("123456")) {
                        infoLab.setText("登录成功");
                    }else {
                        infoLab.setText("登录失败");
                    }
                }
                    if(arg0.getSource() == reset) {                 
                        nameText.setText("");                     
                        passText.setText("");
                        infoLab.setText("用户登录系统");            
                }
            }
        });
        
        frame.setLayout(null);
        nameLab.setBounds(5, 5, 60, 20);
        passLab.setBounds(5, 30, 60, 20);
        infoLab.setBounds(5, 65, 220, 30);
        nameText.setBounds(65, 5, 100, 20);
        passText.setBounds(65, 30, 100, 20);
        submit.setBounds(165, 5, 60, 20);
        reset.setBounds(165, 30, 60, 20);
        
        frame.add(nameLab);
        frame.add(passLab);
        frame.add(infoLab);
        frame.add(nameText);
        frame.add(passText);
        frame.add(submit);
        frame.add(reset);
        frame.setSize(400, 300);
        frame.setVisible(true);
    }
}

package Demo;

public class test2 {
    public static void main(String[] args) {
        new test1();
    }
}