📌  相关文章
📜  Java Swing-JTextPane

📅  最后修改于: 2020-10-01 03:23:27             🧑  作者: Mango

Java JTextPane

JTextPane是JEditorPane类的子类。 JTextPane用于带有嵌入式图像和组件的样式化文档。它是文本组件，可以用图形表示的属性进行标记。 JTextPane使用DefaultStyledDocument作为其默认模型。

建设者

Constructor Description
JTextPane() It creates a new JTextPane.
JtextPane(StyledDocument doc) It creates a new JTextPane, with a specified document model.

有用的方法

Modifier and Type Method Description
Style addStyle(String nm, Style parent) It adds a new style into the logical style hierarchy.
AttributeSet getCharacterAttributes() It fetches the character attributes in effect at the current location of the caret, or null.
StyledDocument getStyledDocument() It fetches the model associated with the editor.
void setDocument(Document doc) It associates the editor with a text document.
void setCharacterAttributes(AttributeSet attr, boolean replace) It applies the given attributes to character content.
void removeStyle(String nm) It removes a named non-null style previously added to the document.
void setEditorKit(EditorKit kit) It sets the currently installed kit for handling content.
void setStyledDocument(StyledDocument doc) It associates the editor with a text document.

JTextPane示例

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
public class JTextPaneExample {
public static void main(String args[]) throws BadLocationException {
    JFrame frame = new JFrame("JTextPane Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container cp = frame.getContentPane();
    JTextPane pane = new JTextPane();
    SimpleAttributeSet attributeSet = new SimpleAttributeSet();
    StyleConstants.setBold(attributeSet, true);

    // Set the attributes before adding text
    pane.setCharacterAttributes(attributeSet, true);
    pane.setText("Welcome");

    attributeSet = new SimpleAttributeSet();
    StyleConstants.setItalic(attributeSet, true);
    StyleConstants.setForeground(attributeSet, Color.red);
    StyleConstants.setBackground(attributeSet, Color.blue);

    Document doc = pane.getStyledDocument();
    doc.insertString(doc.getLength(), "To Java ", attributeSet);

    attributeSet = new SimpleAttributeSet();
    doc.insertString(doc.getLength(), "World", attributeSet);

    JScrollPane scrollPane = new JScrollPane(pane);
    cp.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(400, 300);
    frame.setVisible(true);
  }
}

输出量