如何用鼠标事件处理?当鼠标放在按钮上时,按钮显示提示信息?但鼠标离开按钮时提示信息也消失?[size=14px][/size]
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- HTML code
<input type="button" value="open" title="this is a button" onMouseOut="" onMouseOver=""/>
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http://blog.csdn.net/doymm2008/article/details/4820243
这里讲的很清楚哈~
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增加addMouseListener,里面有两个方法,mouseEntered(MouseEvent e) 鼠标进入组件时调用;
mouseExited(MouseEvent e)鼠标离开组件时调用。
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你可以在上面加个label什么的,移上去让这个label显示,移走就隐藏呗。大概就这么做
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- Java code
public class TestButton extends JFrame { private JButton jButton1; public TestButton() { initGUI(); this.setLocationRelativeTo(null); } private void initGUI() { try { { getContentPane().setLayout(null); { jButton1 = new JButton(); getContentPane().add(jButton1); jButton1.setText("test"); jButton1.addMouseListener(new MouseAdapter() { //鼠标进入事件 public void mouseEntered(MouseEvent e) { jButton1.setText("move on"); } //鼠标移出事件 public void mouseExited(MouseEvent e) { jButton1.setText(""); } }); jButton1.setBounds(109, 39, 161, 107); } } { this.setSize(426, 241); } } catch (Exception e) { e.printStackTrace(); } } public static void main(String args[]) { new TestButton().setVisible(true); }}
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在eclipse里装windowbuilder 可以方便地可视化设计swing
JButton btnNewButton = new JButton("New button");
btnNewButton.setToolTipText("<html><body bgcolor='red'>move on</body></html>");
http://topic.csdn.net/t/20061012/17/5078236.html