这个是朋友作的毕业设计

				package Resource_Selection;								import java.awt.*;				import java.awt.event.*;				import javax.swing.*;								public class first extends JFrame {				  JButton jButton1 = new JButton();				  public first() {				    try {				      jbInit();				    }				    catch(Exception e) {				      e.printStackTrace();				    }								  }				  private void jbInit() throws Exception {				    jButton1.setBackground(Color.lightGray);				    jButton1.setAlignmentY((float) 0.5);				    jButton1.setMaximumSize(new Dimension(79, 27));				    jButton1.setActionCommand("jButton1");				    jButton1.setMargin(new Insets(2, 14, 2, 14));				    jButton1.setText("jButton1");				    jButton1.setBounds(new Rectangle(127, 261, 111, 25));				    contentPane.add(jButton1, null);				  }												}