在JTextPane中的插入位置获取样式

import javax.swing.*;
import javax.swing.text.*;

public class JTextPaneStyleExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("JTextPane Style Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JTextPane textPane = new JTextPane();
        StyledDocument doc = textPane.getStyledDocument();

        // 在文本框中插入一段样式文本
        try {
            doc.insertString(0, "Hello World!", null);
            SimpleAttributeSet style = new SimpleAttributeSet();
            StyleConstants.setBold(style, true);
            StyleConstants.setForeground(style, Color.RED);
            doc.insertString(doc.getLength(), " This is a styled text.", style);
        } catch (BadLocationException e) {
            e.printStackTrace();
        }

        // 获取插入位置的样式属性
        int caretPosition = textPane.getCaretPosition();
        Element element = doc.getCharacterElement(caretPosition);
        AttributeSet attributes = element.getAttributes();

        // 获取字体属性
        String fontFamily = StyleConstants.getFontFamily(attributes);
        int fontSize = StyleConstants.getFontSize(attributes);
        boolean isBold = StyleConstants.isBold(attributes);
        boolean isItalic = StyleConstants.isItalic(attributes);

        // 获取颜色属性
        Color foregroundColor = StyleConstants.getForeground(attributes);
        Color backgroundColor = StyleConstants.getBackground(attributes);

        // 获取对齐方式属性
        int alignment = StyleConstants.getAlignment(attributes);

        // 打印样式属性
        System.out.println("Font Family: " + fontFamily);
        System.out.println("Font Size: " + fontSize);
        System.out.println("Bold: " + isBold);
        System.out.println("Italic: " + isItalic);
        System.out.println("Foreground Color: " + foregroundColor);
        System.out.println("Background Color: " + backgroundColor);
        System.out.println("Alignment: " + alignment);

        frame.getContentPane().add(new JScrollPane(textPane));
        frame.setSize(400, 300);
        frame.setVisible(true);
    }
}