loginpanel.java

银行的一个管理系统

package corejava.bam.client;
import java.awt.BorderLayout;
import java.awt.GridLayout;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
public class LoginPanel extends JPanel{

	private JTextField idField;
	private JPasswordField passField;
	private JButton sumbit;
	
	public LoginPanel(){
		idField=new JTextField(15);
		passField=new JPasswordField(15);
		sumbit=new JButton("提交");
		
		JPanel jp1=new JPanel(new GridLayout(2,2,0,50));
		jp1.setBorder(new EmptyBorder(40,10,40,20));
		JPanel jp2=new JPanel();
		
		jp1.add(new JLabel("帐户卡号 :",SwingConstants.CENTER));
		jp1.add(idField);
		jp1.add(new JLabel("帐户密码 :",SwingConstants.CENTER));
		jp1.add(passField);
		
		jp2.add(sumbit);
		
		this.setLayout(new BorderLayout());
		this.setBorder(new EmptyBorder(10,10,20,20));
		this.add(jp1);
		this.add(jp2,BorderLayout.SOUTH);
	}
	public static void main(String[] args) {
		JFrame jf=new JFrame();
		jf.add(new LoginPanel());
		
		jf.setSize(300,300);
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jf.setVisible(true);
	}

}