这段应该符合你的要求
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import sun.io.ByteToCharConverter;
import sun.io.CharToByteConverter;
public class Test extends JFrame implements ActionListener {
JButton btn = new JButton("ok");
JTextField tf1 = new JTextField(20);
JTextField tf2 = new JTextField(20);
public Test() {
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel pn = new JPanel();
pn.add(tf1);
tf1.addActionListener(this);
pn.add(tf2);
this.getContentPane().add(pn, BorderLayout.CENTER);
this.getContentPane().add(btn, BorderLayout.SOUTH);
btn.addActionListener(this);
this.pack();
this.setVisible(true);
}
public void actionPerformed(ActionEvent e) {
String str=tf1.getText();
tf2.setText("");
try {
ByteToCharConverter converter = ByteToCharConverter
.getConverter("GB2312");
CharToByteConverter converter1 = CharToByteConverter
.getConverter("GB2312");
byte[] b =str.getBytes();
char[] c = new char[4];
c = converter.convertAll(b);
for (int i = 0; i < c.length; i++) {
tf2.setText(tf2.getText()+"\u" + Integer.toHexString(c[i]));
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args) {
new Test();
}
}
最佳答案