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首頁(yè)javajeditorpaneJava Swing - 如何在JEditorPane中突出顯示一個(gè)文本文件的幾個(gè)字

Java Swing - 如何在JEditorPane中突出顯示一個(gè)文本文件的幾個(gè)字

我們想知道如何在JEditorPane中突出顯示一個(gè)文本文件的幾個(gè)字。
import java.awt.Color;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.text.DefaultHighlighter;
import javax.swing.text.Document;
import javax.swing.text.Highlighter;
import javax.swing.text.JTextComponent;
public class Main {
static MyHighlightPainter myHighlightPainter = new MyHighlightPainter(
Color.red);
public static void main(String[] args) throws Exception {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JEditorPane jep = new JEditorPane();
jep.setText("Hello to the public");
frame.add(jep);
frame.pack();
frame.setVisible(true);
highlight(jep, "public");
}
public static void highlight(JTextComponent textComp, String pattern)
throws Exception {
removeHighlights(textComp);
Highlighter hilite = textComp.getHighlighter();
Document doc = textComp.getDocument();
String text = doc.getText(0, doc.getLength());
 
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