如何在 Java 中创建吸附到最近刻度标记的 JSlider?
首先,我们先用 Java 创建一个滑块 −
JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 100, 40); slider.setMinorTickSpacing(10); slider.setMajorTickSpacing(20); slider.setPaintTicks(true); slider.setPaintLabels(true);
现在,我们将捕捉最近的刻度标记值,如下所示 −
slider.setSnapToTicks(true);
以下是创建吸附到最近刻度标记的 JSlider 的示例 −
示例
package my;
import java.awt.Color;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.WindowConstants;
public class SwingDemo {
public static void main(String[] args) {
JFrame frame = new JFrame("Frame with Slider");
JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 100, 40);
slider.setMinorTickSpacing(10);
slider.setMajorTickSpacing(20);
slider.setPaintTicks(true);
slider.setPaintLabels(true);
slider.setBackground(Color.CYAN);
slider.setForeground(Color.black);
slider.setSnapToTicks(true);
Font font = new Font("Serif", Font.BOLD, 13);
slider.setFont(font);
JPanel panel = new JPanel();
panel.add(slider);
frame.add(panel);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setSize(600, 300);
frame.setVisible(true);
}
}输出

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