📄 begin.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Begin extends JFrame{
private JTextField textField1;
private JPasswordField pwField;
private JLabel label1,label2;
private JButton button1;
private JRadioButton sbutton,mbutton;
public Begin()
{
super("登陆界面");
Container container=getContentPane();
container.setLayout(new FlowLayout());
label1=new JLabel("用户名");
container.add(label1);
textField1=new JTextField(10);
container.add(textField1);
label2=new JLabel("密码");
container.add(label2);
pwField=new JPasswordField(6);
container.add(pwField);
mbutton=new JRadioButton("管理员",true);
container.add(mbutton);
sbutton=new JRadioButton("店员",false);
container.add(sbutton);
button1=new JButton("确定");
container.add(button1);
setSize(280,215);
setVisible(true);
}
public static void main(String args[])
{
Begin application=new Begin();
application.setDefaultCloseOperation(
JFrame.EXIT_ON_CLOSE);
}
}
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