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  • 【JAVA Swing】自定义弹出的无边提醒框(可自动消失)

    import java.awt.BorderLayout;
    import java.awt.Dimension;
    import java.awt.Toolkit;
    
    import javax.swing.JLabel;
    import javax.swing.WindowConstants;
    
    public class showMessageFrame extends javax.swing.JFrame {
        private JLabel text;
        Toolkit tk = Toolkit.getDefaultToolkit();
        Dimension screensize = tk.getScreenSize();
        int height = screensize.height;
        int width = screensize.width;
        private String str = null;
    
        public showMessageFrame(String str) {
            this.str = str;
            new Thread(new Runnable() {
                @Override
                public void run() {
                    initGUI();
                }
            }).start();
        }
    
        private void initGUI() {
            try {
                setUndecorated(true);
                setLocationRelativeTo(null);
                setVisible(true);
                setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
                {
                    text = new JLabel("<html>" + str + "</html>", JLabel.CENTER);
                    getContentPane().add(text, BorderLayout.CENTER);
                    text.setBackground(new java.awt.Color(255, 251, 240));
                }
                pack();
                setBounds(width / 2 - 180, height - 150, 360, 100);
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e1) {
                    e1.printStackTrace();
                }
                dispose();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    
    }

    Swing弹出的提醒无边框,换行使用<br>,2s后自动消失。

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  • 原文地址:https://www.cnblogs.com/afluy/p/3249067.html
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