toolbarframe.java

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package component;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ToolBarFrame extends JFrame {
  JPanel contentPane = new JPanel();
  BorderLayout borderLayout1 = new BorderLayout();
  JLabel jLabel1 = new JLabel();
  //创建工具栏
  JToolBar jToolBar1 = new JToolBar();
  //创建3个按钮
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();

  public ToolBarFrame() {
    try {
      //窗口关闭时清空内存
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception e) {}
  }

  public static void main(String[] args) {
    ToolBarFrame frame = new ToolBarFrame();
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    //居中对齐
    frame.setLocation((screenSize.width - frameSize.width) / 2,
        (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
  }
  private void jbInit() throws Exception {
    contentPane = (JPanel)this.getContentPane();
    setTitle("工具栏示例");
    setSize(new Dimension(400, 300));
    contentPane.setLayout(borderLayout1);
    //创建3个图标
    ImageIcon icon1 = new ImageIcon(".\\image\\01.gif");
    ImageIcon icon2 = new ImageIcon(".\\image\\02.gif");
    ImageIcon icon3 = new ImageIcon(".\\image\\03.gif");
    //设置按钮的图标
    jButton1.setIcon(icon1);
    jButton2.setIcon(icon2);
    jButton3.setIcon(icon3);
    //设置工具栏四周的空隙
    jToolBar1.setMargin(new Insets(5, 5, 5, 5));
    //设置标签属性
    jLabel1.setText("工具栏1");
    //向工具栏加入各种控件
    jToolBar1.add(jLabel1, null);
    //加入分隔条
    jToolBar1.addSeparator();
    jToolBar1.add(jButton1, null);
    jToolBar1.add(jButton2, null);
    jToolBar1.add(jButton3, null);
    //向底层容器加入工具栏
    contentPane.add(jToolBar1, BorderLayout.NORTH);
  }
}