qq2009那样的好友面板切换方式怎么做?

Question

RT
用java怎么实现 它用的list一类的组件 一次显示一列??还有一个问题:qq好友面板切换时 有种慢进慢出的感觉 也就所谓的平滑 java里又该怎么做?
       

Answer 1

在PB里容易实现，在swing里边有点难。

Answer 2

qq2009用过没?
当在 好友 群和最近联系 之间切换时 你没发觉它们之间是连在一起的 有中转动的感觉 不象tab那样僵硬的更换页面??

Answer 3

呵呵  ，这个   功能  swing
没 见到 过 

Answer 4

有人先前问过这个问题，LZ要多用搜索哦：
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;public class TestDrawer extends JFrame implements ActionListener {    private static final long serialVersionUID = 1L;    public JButton btn1 = new JButton("TestBTN1");    public JButton btn2 = new JButton("TestBTN2");    public JButton btn3 = new JButton("TestBTN3");    public JLabel lab1 = new JLabel("TestLab1");    public JLabel lab2 = new JLabel("TestLab2");    public JLabel lab3 = new JLabel("TestLab3");    public JPanel panel = new JPanel();    public TestDrawer() {
        init();
    }    private void init() {
        this.setTitle("TestDrawer");
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.getContentPane().setLayout(new BorderLayout());
        this.getContentPane().add(getCenterPanel(), BorderLayout.CENTER);
        this.pack();
        this.setVisible(true);
    }    private JPanel getCenterPanel() {
        panel.setLayout(new GridLayout(3, 1));
        panel.add(btn1);
        panel.add(btn2);
        panel.add(btn3);
        btn1.addActionListener(this);
        btn2.addActionListener(this);
        btn3.addActionListener(this);
        return panel;
    }    public void actionPerformed(ActionEvent e) {
        if (e.getSource().equals(btn1)) {
            panel.setLayout(new GridLayout(4, 1));
            panel.removeAll();
            panel.add(btn1);
            panel.add(lab1);
            panel.add(btn2);
            panel.add(btn3);
            panel.validate();
            panel.repaint();
        }
        else if (e.getSource().equals(btn2)) {
            panel.setLayout(new GridLayout(4, 1));
            panel.removeAll();
            panel.add(btn1);            
            panel.add(btn2);
            panel.add(lab2);
            panel.add(btn3);
            panel.validate();
            panel.repaint();
        }
        else if (e.getSource().equals(btn3)) {
            panel.setLayout(new GridLayout(4, 1));
            panel.removeAll();
            panel.add(btn1);
            panel.add(btn2);
            panel.add(btn3);
            panel.add(lab3);
            panel.validate();
            panel.repaint();
        }
    }    /**
     * @param args
     */
    public static void main(String[] args) {
     System.out.println("模仿QQ的竖向选项卡功能。");
        new TestDrawer();
    }
}