今天来个爪哇去边框的小代码

//先去除边框 setUndecorated(true); //加入标签作为关闭按钮JLabel SubCloseLabel = new JLabel(""); //按钮的位置SubCloseLabel.setBounds(860, 0, 40, 30); //单击监听SubCloseLabel.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {JLabel CloseLabel=(JLabel)e.getSource(); //获取顶层窗体SubWindow MySubWindowBuider=(SubWindow)CloseLabel.getTopLevelAncestor();MySubWindowBuider.dispose();}});SubPanel.setLayout(null); //加入标签作为最小化按钮JLabel SubMinimizeLabel = new JLabel("");SubMinimizeLabel.setBounds(822, 0, 40, 30);SubMinimizeLabel.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {JLabel MinimizeLabel=(JLabel)e.getSource();SubWindow MySubWindowBuider=(SubWindow)MinimizeLabel.getTopLevelAncestor();MySubWindowBuider.setExtendedState(JFrame.ICONIFIED);}}); //拖动的标签JLabel SubDragLabel = new JLabel("");SubDragLabel.setBounds(0, 0, 822, 30);SubDragLabel.addMouseMotionListener(new MouseMotionAdapter() {@Overridepublic void mouseDragged(MouseEvent e) {JLabel DragLabel=(JLabel)e.getSource();SubWindow MyWindowBuider=(SubWindow)DragLabel.getTopLevelAncestor();Point p = MyWindowBuider.getLocation();MyWindowBuider.setLocation(p.x+(e.getX()-suborigin.x),p.y+(e.getY()-suborigin.y)); }});SubDragLabel.addMouseListener(new MouseAdapter() {@Overridepublic void mousePressed(MouseEvent e) {suborigin.x=e.getX();suborigin.y=e.getY();}});SubPanel.add(SubDragLabel);

　　

转载于:https://www.cnblogs.com/mubu/p/6244679.html

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