labelframe.java

Eclipse程序设计经典教程+源代码 学习java的朋友可以看看

package component;

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

public class LabelFrame extends JFrame {
  JPanel contentPane = new JPanel();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JTextField jTextField2 = new JTextField();

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

  public static void main(String[] args) {
    LabelFrame frame = new LabelFrame();
    frame.setVisible(true);
  }
  private void jbInit() throws Exception {
    setTitle("标签控件示例");
    setSize(new Dimension(300, 200));
    contentPane = (JPanel)this.getContentPane();
    contentPane.setLayout(null);
    //创建图片图标
    ImageIcon icon = new ImageIcon(".\\image\\01.gif");
    jLabel1.setText("标签A");
    jLabel1.setBounds(new Rectangle(33, 29, 87, 48));
    //为标签设置图标
    jLabel1.setIcon(icon);
    //设置标签的快捷键
    jLabel1.setDisplayedMnemonic('A');
    //激活标签的快捷键后，JTextField控件获得焦点
    jLabel1.setLabelFor(jTextField1);
    jLabel2.setText("标签B");
    jLabel2.setBounds(new Rectangle(33, 70, 87, 48));
    //设置编辑框的属性
    jTextField1.setBounds(new Rectangle(110, 43, 111, 27));
    jTextField2.setBounds(new Rectangle(111, 87, 112, 29));
    //加入各个控件
    contentPane.add(jLabel1, null);
    contentPane.add(jLabel2, null);
    contentPane.add(jTextField1, null);
    contentPane.add(jTextField2, null);
  }
}