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Java Swing - 如何在JTextArea中按行断开文本...

jtextfield 【jtextfield】
我们想知道如何在JTextArea中按行断开文本。...
代码展示 运行结果 
import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Main extends JFrame {
  public Main() {
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    JPanel p = new JPanel(new BorderLayout());
    JTextField tf = new JTextField(5);
    JLabel label = new JLabel(new ImageIcon("Test.gif"));
    label.setOpaque(true);
    label.setBackground(tf.getBackground());
    label.setPreferredSize(new Dimension(label.getPreferredSize().width, tf
        .getPreferredSize().height));
    p.setBorder(tf.getBorder());
    tf.setBorder(null);
    p.add(label, BorderLayout.WEST);
    p.add(tf, BorderLayout.CENTER);
    JPanel p1 = new JPanel();
    p1.add(p);
    getContentPane().add(p1);
    pack();
    setLocationRelativeTo(null);
  }

  public static void main(String[] args) {
    new Main().setVisible(true);
  }
}