记事本中的字体+字形+大小设置

[java]代码库

public class font  implements ActionListener,ListSelectionListener{
		private JTextField textField_1;
		private JTextField textField_2;
		private JTextField textField_3;
		private JList list_1;
		private JList list_2;
		private JList fontList;
		JButton button;
		JButton button_1;
		JLabel label_4;
		private JFrame frame;
		String fontName="宋体";
		int fontStyle=Font.PLAIN, fontSize=12;
		Font font1;
		
		public font(){
			frame=new JFrame();
			frame.getContentPane().setLayout(null);
			frame.setTitle("字体");
		    frame.setVisible(true);
			frame.setBounds(100, 100, 425, 330);
		
	 

			final JLabel label = DefaultComponentFactory.getInstance().createLabel("字体(F):");
			label.setBounds(10, 0, 62, 18);
			frame.getContentPane().add(label);

			final JScrollPane scrollPane = new JScrollPane();
			scrollPane.setBounds(10, 54, 129, 133);
			frame.getContentPane().add(scrollPane);

			fontList = new JList();
			GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();      
			String[] fonts = ge.getAvailableFontFamilyNames();
			fontList.setListData(fonts);
			scrollPane.setViewportView(fontList);
			fontList.addListSelectionListener(this);

			final JScrollPane scrollPane_1 = new JScrollPane();
			scrollPane_1.setBounds(145, 54, 99, 133);
			frame.getContentPane().add(scrollPane_1);

			list_1 = new JList();
			scrollPane_1.setViewportView(list_1);
		    String []fontStyle1={"粗体","斜体","常规","粗斜体"};
		    list_1.setListData(fontStyle1);
		    list_1.addListSelectionListener(this);


			final JScrollPane scrollPane_2 = new JScrollPane();
			scrollPane_2.setBounds(250, 54, 66, 133);
			frame.getContentPane().add(scrollPane_2);

			list_2 = new JList();
			scrollPane_2.setViewportView(list_2);
			String []size={"12","14","16","18","20","22","24","26","28","36","48","72"};
			list_2.setListData(size);
			list_2.addListSelectionListener(this);

			final JLabel label_1 = new JLabel();
			label_1.setText("字形(Y):");
			label_1.setBounds(146, 0, 66, 18);
			frame.getContentPane().add(label_1);

			final JLabel label_2 = new JLabel();
			label_2.setText("大小(S):");
			label_2.setBounds(250, 0, 66, 18);
			frame.getContentPane().add(label_2);

			button = new JButton();
			button.setText("确定");
			button.setBounds(345, 26, 62, 28);
			frame.getContentPane().add(button);
			button.addActionListener(this);

			button_1 = new JButton();
			button_1.setText("取消");
			button_1.setBounds(345, 80, 62, 28);
			frame.getContentPane().add(button_1);
			button_1.addActionListener(this);

			textField_1 = new JTextField();
			textField_1.setBounds(10, 26, 129, 28);
			frame.getContentPane().add(textField_1);

			textField_2 = new JTextField();
			textField_2.setBounds(145, 24, 99, 28);
			frame.getContentPane().add(textField_2);

			textField_3 = new JTextField();
			textField_3.setBounds(250, 24, 66, 30);
			frame.getContentPane().add(textField_3);

			final JPanel panel = new JPanel();
			panel.setBackground(Color.LIGHT_GRAY);
			panel.setLayout(null);
			panel.setBounds(49, 222, 267, 64);
			frame.getContentPane().add(panel);
			
			final JLabel label_3 = new JLabel();
			label_3.setBounds(10, 198, 56, 20);
			frame.getContentPane().add(label_3);
			label_3.setFont(new Font("", Font.BOLD, 14));
			label_3.setText("示例：");

			label_4 = new JLabel();
			label_4.setBounds(0, 0, 267, 64);
			panel.add(label_4);
			label_4.setText("AaBbCc");

			
		}

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			Object s = e.getSource();
			if (s.equals(button)) {
				textArea.setFont(font1);
				frame.setVisible(false);
				

			} else if (s.equals(button_1)) {
				frame.setVisible(false);
			}
		}

		@Override
		public void valueChanged(ListSelectionEvent e) {
			// TODO Auto-generated method stub
			Object s=e.getSource();
			if(s.equals(fontList)){
				fontName = (String) fontList.getSelectedValue();
				font1 = new Font(fontName, fontStyle, fontSize);
				label_4.setFont(font1);
				textField_1.setText(fontName);
			}else if(s.equals(list_1)){
				int shape;
				String style=list_1.getSelectedValue().toString();
				if(style=="粗体"){
					shape=Font.BOLD;
				}else if(style=="斜体"){
					shape=Font.ITALIC;
				}else if(style=="常规"){
					shape=Font.PLAIN;
				}else{
					shape=Font.BOLD+Font.PLAIN;
				}
				fontStyle=shape;
				font1 = new Font(fontName, fontStyle, fontSize);
				label_4.setFont(font1);
				textField_2.setText(style);
			}else if(s.equals(list_2)){
				String size1=list_2.getSelectedValue().toString();
				fontSize=Integer.parseInt(size1);
				font1 = new Font(fontName, fontStyle, fontSize);
				label_4.setFont(font1);
				textField_3.setText(size1);
			}
		}
		

	}