图片按钮
public class TestJButtonIcon extends JFrame { public static void main(String[] args) { new TestJButtonIcon(); } public TestJButtonIcon() { Container contentPane = getContentPane(); URL url = TestJButtonIcon.class.getResource("迦南.png"); ImageIcon imageIcon = new ImageIcon(url); JButton jButton = new JButton(imageIcon); jButton.setToolTipText("图片按钮"); contentPane.add(jButton); this.setVisible(true); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setSize(500,500); } }
单选框
public class TestRadioButton extends JFrame { public static void main(String[] args) { new TestRadioButton(); } public TestRadioButton() { Container contentPane = getContentPane(); //单选框 JRadioButton jRadioButton01 = new JRadioButton("JRadioButton01"); JRadioButton jRadioButton02 = new JRadioButton("JRadioButton02"); JRadioButton jRadioButton03 = new JRadioButton("JRadioButton03"); //由于单选框只能选择一个,一组中只能选择一个 ButtonGroup buttonGroup = new ButtonGroup(); buttonGroup.add(jRadioButton01); buttonGroup.add(jRadioButton02); buttonGroup.add(jRadioButton03); contentPane.add(jRadioButton01,BorderLayout.CENTER); contentPane.add(jRadioButton02,BorderLayout.NORTH); contentPane.add(jRadioButton03,BorderLayout.SOUTH); this.setVisible(true); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setSize(500,500); } }
多选框
public class TestCheckBox extends JFrame { public static void main(String[] args) { new TestCheckBox(); } public TestCheckBox() { Container contentPane = getContentPane(); JCheckBox jCheckBox1 = new JCheckBox("JCheckBox1"); JCheckBox jCheckBox2 = new JCheckBox("JCheckBox2"); JCheckBox jCheckBox3 = new JCheckBox("JCheckBox3"); contentPane.add(jCheckBox1,BorderLayout.SOUTH); contentPane.add(jCheckBox2,BorderLayout.CENTER); contentPane.add(jCheckBox3,BorderLayout.NORTH); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setSize(500,500); this.setVisible(true); } }
下拉框
public class TestComboBox extends JFrame { public static void main(String[] args) { new TestComboBox(); } public TestComboBox(){ Container contentPane = getContentPane(); JComboBox status = new JComboBox<>(); status.addItem("null"); status.addItem("选项一"); status.addItem("选项二"); status.addItem("选项三"); contentPane.add(status); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setSize(500,500); this.setVisible(true); } }
列表框
public class TestJList extends JFrame { public static void main(String[] args) { new TestJList(); } public TestJList(){ Container contentPane = getContentPane(); //String[] array ={"1","2","3"}; Vector array = new Vector<>(); JList list = new JList<>(array); array.add("zhangsan"); array.add("lisi"); array.add("wangwu"); contentPane.add(list); this.setVisible(true); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setSize(500,500); } }
应用场景
选择地区或者一些单个选项
列表,展示一些信息,一般是动态扩容
文本框
public class TestJTextField extends JFrame { public static void main(String[] args) { new TestJTextField(); } public TestJTextField(){ Container contentPane = getContentPane(); //this.setLayOut(null); JTextField hello = new JTextField("hello"); JTextField world = new JTextField("world", 20); contentPane.add(hello,BorderLayout.NORTH); contentPane.add(world,BorderLayout.SOUTH); this.setSize(500,500); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setVisible(true); } }
密码框
public class TestPassword extends JFrame { public static void main(String[] args) { new TestPassword(); } public TestPassword() { Container contentPane = getContentPane(); JPasswordField jPasswordField = new JPasswordField(); jPasswordField.setEchoChar('*'); contentPane.add(jPasswordField); this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); this.setSize(500,500); this.setVisible(true); } }
文本域
public class JScrollDemo extends JFrame { public static void main(String[] args) { new JScrollDemo(); } public JScrollDemo(){ Container contentPane = getContentPane(); //文本域 JTextArea jTextArea = new JTextArea(20, 50); jTextArea.setText("刘铁锤真的棒"); //Scroll面板 JScrollPane jScrollPane = new JScrollPane(jTextArea); contentPane.add(jScrollPane); setVisible(true); setBounds(100,100,300,350); setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } }