本篇文章为大家展示了怎么在Java中利用Swing定制TextField功能，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。
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具体代码如下：
package themedemo;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.util.Map;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.Painter;
import javax.swing.SwingUtilities;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.WindowConstants;
public class TextFieldSkinDemo {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
for (UIManager.LookAndFeelInfo laf : UIManager
.getInstalledLookAndFeels()) {
if ("Nimbus".equals(laf.getName())) {
try {
UIManager.setLookAndFeel(laf.getClassName());
} catch (Exception e) {
e.printStackTrace();
}
}
}
for (Map.Entry entry : UIManager
.getLookAndFeelDefaults().entrySet()) {
if ((entry.getKey().toString()).startsWith("TextField")) {
System.out.println(entry.getKey() + " = "
+ entry.getValue());
}
}
JFrame frame = new JFrame("www.jb51.net - TextField Skining Demo");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(new BorderLayout());
JPanel panel = new JPanel(new GridLayout(0, 1, 20, 20));
panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
panel.setBackground(Color.darkGray);
UIDefaults textFieldDefaults = new UIDefaults();
textFieldDefaults.put("TextField.contentMargins", new Insets(6,
6, 6, 6));
textFieldDefaults.put("TextField[Selected].textForeground",
Color.WHITE);
textFieldDefaults.put("TextField.backgroundPainter",
new Painter() {
public void paint(Graphics2D g, JComponent c,
int w, int h) {
g.setRenderingHint(
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g.setStroke(new BasicStroke(2f));
g.setColor(Color.WHITE);
g.fillRoundRect(0, 0, w - 2, h - 2, 8, 8);
}
});
textFieldDefaults.put("TextField.borderPainter",
new Painter() {
public void paint(Graphics2D g, JComponent c,
int w, int h) {
g.setRenderingHint(
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g.setStroke(new BasicStroke(2f));
g.setColor(Color.LIGHT_GRAY);
g.drawRoundRect(0, 0, w - 2, h - 2, 8, 8);
}
});
JTextField textField = new JTextField(15);
panel.add(textField);
textField.putClientProperty("Nimbus.Overrides",
textFieldDefaults);
textField.putClientProperty("Nimbus.Overrides.InheritDefaults",
false);
// Add a normal themed slider for comparison
JTextField normalTextField = new JTextField(15);
panel.add(normalTextField);
frame.getContentPane().add(panel, BorderLayout.CENTER);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
} 上述内容就是怎么在Java中利用Swing定制TextField功能，你们学到知识或技能了吗？如果还想学到更多技能或者丰富自己的知识储备，欢迎关注创新互联行业资讯频道。
