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今天小編給大家分享一下Java Swing程序界面設計的方法的相關知識點,內容詳細,邏輯清晰,相信大部分人都還太了解這方面的知識,所以分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后有所收獲,下面我們一起來了解一下吧。
package swing;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import javax.swing.*;
public class JButtonTest extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public JButtonTest() {
URL url = JButtonTest.class.getResource("imageButton.jpg");
Icon icon = new ImageIcon(url);
setLayout(new GridLayout(3, 2, 5, 5)); // 設置網格布局管理器
Container c = getContentPane(); // 創建容器
for (int i = 0; i < 5; i++) {
// 創建按鈕,同時設置按鈕文字與圖標
JButton J = new JButton("button" + i, icon);
c.add(J); // 在容器中添加按鈕
if (i % 2 == 0) {
J.setEnabled(false); // 設置其中一些按鈕不可用
}
}
JButton jb = new JButton(); // 實例化一個沒有文字與圖片的按鈕
jb.setMaximumSize(new Dimension(90, 30)); // 設置按鈕與圖片相同大小
jb.setIcon(icon); // 為按鈕設置圖標
jb.setHideActionText(true);
jb.setToolTipText("圖片按鈕"); // 設置按鈕提示為文字
jb.setBorderPainted(false); // 設置按鈕邊界不顯示
jb.addActionListener(new ActionListener() { // 為按鈕添加監聽事件
public void actionPerformed(ActionEvent e) {
// 彈出確認對話框
JOptionPane.showMessageDialog(null, "彈出對話框");
}
});
c.add(jb); // 將按鈕添加到容器中
setTitle("創建帶文字與圖片的按鈕");
setSize(350, 150);
setVisible(true);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
}
public static void main(String args[]) {
new JButtonTest();
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CheckBoxTest extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel panel1 = new JPanel();
private JPanel panel2 = new JPanel();
private JTextArea jt = new JTextArea(3, 10);
private JCheckBox jc1 = new JCheckBox("1");
private JCheckBox jc2 = new JCheckBox("2");
private JCheckBox jc3 = new JCheckBox("3");
public CheckBoxTest() {
Container c = getContentPane();
c.setLayout(new BorderLayout());
c.add(panel1, BorderLayout.NORTH);
final JScrollPane scrollPane = new JScrollPane(jt);
panel1.add(scrollPane);
c.add(panel2, BorderLayout.SOUTH);
panel2.add(jc1);
jc1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (jc1.isSelected())
jt.append("復選框1被選中
");
}
});
panel2.add(jc2);
jc2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (jc2.isSelected())
jt.append("復選框2被選中
");
}
});
panel2.add(jc3);
jc3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (jc3.isSelected())
jt.append("復選框3被選中
");
}
});
setSize(200, 160);
setVisible(true);
setTitle("復選框的使用");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new CheckBoxTest();
}
}
import java.awt.*;
import javax.swing.*;
public class JComboBoxModelTest extends JFrame {
private static final long serialVersionUID = 1L;
JComboBox<String> jc = new JComboBox<>(new MyComboBox());
JLabel jl = new JLabel("請選擇證件");
public JComboBoxModelTest() {
setSize(new Dimension(160, 180));
setVisible(true);
setTitle("在窗口中設置下拉列表框");
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
Container cp = getContentPane();
cp.setLayout(new FlowLayout());
cp.add(jl);
cp.add(jc);
}
public static void main(String[] args) {
new JComboBoxModelTest();
}
}
class MyComboBox extends AbstractListModel<String> implements ComboBoxModel<String> {
/**
*
*/
private static final long serialVersionUID = 1L;
String selecteditem = null;
String[] test = { "身份證", "軍人證", "學生證", "工作證" };
public String getElementAt(int index) {
return test[index];
}
public int getSize() {
return test.length;
}
public void setSelectedItem(Object item) {
selecteditem = (String) item;
}
public Object getSelectedItem() {
return selecteditem;
}
public int getIndex() {
for (int i = 0; i < test.length; i++) {
if (test[i].equals(getSelectedItem()))
return i;
}
return 0;
}
}
import java.awt.*;
import javax.swing.*;
public class JListTest extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public JListTest() {
Container cp = getContentPane();
cp.setLayout(null);
JList<String> jl = new JList<>(new MyListModel());
JScrollPane js = new JScrollPane(jl);
js.setBounds(10, 10, 100, 100);
cp.add(js);
setTitle("在這個窗體中使用了列表框");
setSize(200, 150);
setVisible(true);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
}
public static void main(String args[]) {
new JListTest();
}
}
class MyListModel extends AbstractListModel<String> {
/**
*
*/
private static final long serialVersionUID = 1L;
private String[] contents = { "列表1", "列表2", "列表3", "列表4", "列表5", "列表6" };
public String getElementAt(int x) {
if (x < contents.length)
return contents[x++];
else
return null;
}
public int getSize() {
return contents.length;
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JTextFieldTest extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public JTextFieldTest() {
setSize(250, 100);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
Container cp = getContentPane();
getContentPane().setLayout(new FlowLayout());
final JTextField jt = new JTextField("aaa", 20);
final JButton jb = new JButton("清除");
cp.add(jt);
cp.add(jb);
jt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
// TODO 自動生成方法存根
jt.setText("觸發事件");
}
});
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
jt.setText("");
jt.requestFocus();
}
});
setVisible(true);
}
public static void main(String[] args) {
new JTextFieldTest();
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JTextFieldTest extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public JTextFieldTest() {
setSize(250, 100);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
Container cp = getContentPane();
getContentPane().setLayout(new FlowLayout());
// final JTextField jt=new JTextField("aaa",20);
JPasswordField jp = new JPasswordField("", 20);
jp.setEchoChar('*');
final JButton jb = new JButton("清除");
cp.add(jp);
cp.add(jb);
jp.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
// TODO 自動生成方法存根
jp.setText("觸發事件");
}
});
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
jp.setText("");
jp.requestFocus();
}
});
setVisible(true);
}
public static void main(String[] args) {
new JTextFieldTest();
}
}
import java.awt.*;
import javax.swing.*;
public class JTextAreaTest extends JFrame {
public JTextAreaTest() {
setSize(200, 100);
setTitle("定義自動換行的文本域");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
Container cp = getContentPane();
JTextArea jt = new JTextArea("文本域", 6, 6);
jt.setLineWrap(true);
cp.add(jt);
setVisible(true);
}
public static void main(String[] args) {
new JTextAreaTest();
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class SimpleEvent extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JButton jb = new JButton("我是按鈕,點擊我");
public SimpleEvent() {
setLayout(null);
setSize(200, 100);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
Container cp = getContentPane();
cp.add(jb);
jb.setBounds(10, 10, 100, 30);
jb.addActionListener(new jbAction());
setVisible(true);
}
class jbAction implements ActionListener {
public void actionPerformed(ActionEvent arg0) {
jb.setText("我被單擊了");
}
}
public static void main(String[] args) {
new SimpleEvent();
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class FocusEventTest extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public FocusEventTest() {
setSize(250, 100);
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
Container cp = getContentPane();
getContentPane().setLayout(new FlowLayout());
final JLabel label = new JLabel();
getContentPane().add(label);
JTextField jt = new JTextField("請單擊其他文本框", 10);
JTextField jt2 = new JTextField("請單擊我", 10);
cp.add(jt);
cp.add(jt2);
jt.addFocusListener(new FocusListener() {
// 組件失去焦點時調用的方法
public void focusLost(FocusEvent arg0) {
JOptionPane.showMessageDialog(null, "文本框失去焦點");
}
// 組件獲取鍵盤焦點時調用的方法
public void focusGained(FocusEvent arg0) {
}
});
setVisible(true);
}
public static void main(String[] args) {
new FocusEventTest();
}
}
以上就是“Java Swing程序界面設計的方法”這篇文章的所有內容,感謝各位的閱讀!相信大家閱讀完這篇文章都有很大的收獲,小編每天都會為大家更新不同的知識,如果還想學習更多的知識,請關注億速云行業資訊頻道。
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