java--鍵盤事件類，按下回車則模擬鼠標

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JButton;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

/**
 * 鍵盤事件類，按下回車則模擬鼠標點擊登錄、確認按鈕（用在登錄窗體和更改密碼窗體）
 
 */
public class KeyListener {
    
    public KeyListener(JTextField text,JButton button) {
        
        // 鍵盤事件，如果按下回車則模擬鼠標點擊登錄按鈕
        text.addKeyListener(new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent paramKeyEvent) {
                if(paramKeyEvent.getKeyChar()=='\n'){
                    button.doClick();
                }
            }
        });
    }
    
    public KeyListener(JPasswordField passwd,JButton button) {
        // 鍵盤事件，如果按下回車則模擬鼠標點擊登錄按鈕
        passwd.addKeyListener(new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent paramKeyEvent) {
                if(paramKeyEvent.getKeyChar()=='\n'){
                    button.doClick();
                }
            }
        });
    }

}